Vendor import of clang trunk r238337:

https://llvm.org/svn/llvm-project/cfe/trunk@238337

1 files changed, 591 insertions, 0 deletions

diff --git a/test/CodeGen/systemz-abi.c b/test/CodeGen/systemz-abi.c
new file mode 100644
index 0000000..375d02a
--- /dev/null
+++ b/test/CodeGen/systemz-abi.c
@@ -0,0 +1,591 @@
+// RUN: %clang_cc1 -triple s390x-linux-gnu \
+// RUN:   -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple s390x-linux-gnu -target-feature +vector \
+// RUN:   -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple s390x-linux-gnu -target-cpu z13 \
+// RUN:   -emit-llvm -o - %s | FileCheck %s
+
+// Scalar types
+
+char pass_char(char arg) { return arg; }
+// CHECK-LABEL: define signext i8 @pass_char(i8 signext %{{.*}})
+
+short pass_short(short arg) { return arg; }
+// CHECK-LABEL: define signext i16 @pass_short(i16 signext %{{.*}})
+
+int pass_int(int arg) { return arg; }
+// CHECK-LABEL: define signext i32 @pass_int(i32 signext %{{.*}})
+
+long pass_long(long arg) { return arg; }
+// CHECK-LABEL: define i64 @pass_long(i64 %{{.*}})
+
+long long pass_longlong(long long arg) { return arg; }
+// CHECK-LABEL: define i64 @pass_longlong(i64 %{{.*}})
+
+__int128 pass_int128(__int128 arg) { return arg; }
+// CHECK-LABEL: define void @pass_int128(i128* noalias sret %{{.*}}, i128*)
+
+float pass_float(float arg) { return arg; }
+// CHECK-LABEL: define float @pass_float(float %{{.*}})
+
+double pass_double(double arg) { return arg; }
+// CHECK-LABEL: define double @pass_double(double %{{.*}})
+
+long double pass_longdouble(long double arg) { return arg; }
+// CHECK-LABEL: define void @pass_longdouble(fp128* noalias sret %{{.*}}, fp128*)
+
+
+// Complex types
+
+_Complex char pass_complex_char(_Complex char arg) { return arg; }
+// CHECK-LABEL: define void @pass_complex_char({ i8, i8 }* noalias sret %{{.*}}, { i8, i8 }* %{{.*}}arg)
+
+_Complex short pass_complex_short(_Complex short arg) { return arg; }
+// CHECK-LABEL: define void @pass_complex_short({ i16, i16 }* noalias sret %{{.*}}, { i16, i16 }* %{{.*}}arg)
+
+_Complex int pass_complex_int(_Complex int arg) { return arg; }
+// CHECK-LABEL: define void @pass_complex_int({ i32, i32 }* noalias sret %{{.*}}, { i32, i32 }* %{{.*}}arg)
+
+_Complex long pass_complex_long(_Complex long arg) { return arg; }
+// CHECK-LABEL: define void @pass_complex_long({ i64, i64 }* noalias sret %{{.*}}, { i64, i64 }* %{{.*}}arg)
+
+_Complex long long pass_complex_longlong(_Complex long long arg) { return arg; }
+// CHECK-LABEL: define void @pass_complex_longlong({ i64, i64 }* noalias sret %{{.*}}, { i64, i64 }* %{{.*}}arg)
+
+_Complex float pass_complex_float(_Complex float arg) { return arg; }
+// CHECK-LABEL: define void @pass_complex_float({ float, float }* noalias sret %{{.*}}, { float, float }* %{{.*}}arg)
+
+_Complex double pass_complex_double(_Complex double arg) { return arg; }
+// CHECK-LABEL: define void @pass_complex_double({ double, double }* noalias sret %{{.*}}, { double, double }* %{{.*}}arg)
+
+_Complex long double pass_complex_longdouble(_Complex long double arg) { return arg; }
+// CHECK-LABEL: define void @pass_complex_longdouble({ fp128, fp128 }* noalias sret %{{.*}}, { fp128, fp128 }* %{{.*}}arg)
+
+
+// Aggregate types
+
+struct agg_1byte { char a[1]; };
+struct agg_1byte pass_agg_1byte(struct agg_1byte arg) { return arg; }
+// CHECK-LABEL: define void @pass_agg_1byte(%struct.agg_1byte* noalias sret %{{.*}}, i8 %{{.*}})
+
+struct agg_2byte { char a[2]; };
+struct agg_2byte pass_agg_2byte(struct agg_2byte arg) { return arg; }
+// CHECK-LABEL: define void @pass_agg_2byte(%struct.agg_2byte* noalias sret %{{.*}}, i16 %{{.*}})
+
+struct agg_3byte { char a[3]; };
+struct agg_3byte pass_agg_3byte(struct agg_3byte arg) { return arg; }
+// CHECK-LABEL: define void @pass_agg_3byte(%struct.agg_3byte* noalias sret %{{.*}}, %struct.agg_3byte* %{{.*}})
+
+struct agg_4byte { char a[4]; };
+struct agg_4byte pass_agg_4byte(struct agg_4byte arg) { return arg; }
+// CHECK-LABEL: define void @pass_agg_4byte(%struct.agg_4byte* noalias sret %{{.*}}, i32 %{{.*}})
+
+struct agg_5byte { char a[5]; };
+struct agg_5byte pass_agg_5byte(struct agg_5byte arg) { return arg; }
+// CHECK-LABEL: define void @pass_agg_5byte(%struct.agg_5byte* noalias sret %{{.*}}, %struct.agg_5byte* %{{.*}})
+
+struct agg_6byte { char a[6]; };
+struct agg_6byte pass_agg_6byte(struct agg_6byte arg) { return arg; }
+// CHECK-LABEL: define void @pass_agg_6byte(%struct.agg_6byte* noalias sret %{{.*}}, %struct.agg_6byte* %{{.*}})
+
+struct agg_7byte { char a[7]; };
+struct agg_7byte pass_agg_7byte(struct agg_7byte arg) { return arg; }
+// CHECK-LABEL: define void @pass_agg_7byte(%struct.agg_7byte* noalias sret %{{.*}}, %struct.agg_7byte* %{{.*}})
+
+struct agg_8byte { char a[8]; };
+struct agg_8byte pass_agg_8byte(struct agg_8byte arg) { return arg; }
+// CHECK-LABEL: define void @pass_agg_8byte(%struct.agg_8byte* noalias sret %{{.*}}, i64 %{{.*}})
+
+struct agg_16byte { char a[16]; };
+struct agg_16byte pass_agg_16byte(struct agg_16byte arg) { return arg; }
+// CHECK-LABEL: define void @pass_agg_16byte(%struct.agg_16byte* noalias sret %{{.*}}, %struct.agg_16byte* %{{.*}})
+
+
+// Float-like aggregate types
+
+struct agg_float { float a; };
+struct agg_float pass_agg_float(struct agg_float arg) { return arg; }
+// CHECK-LABEL: define void @pass_agg_float(%struct.agg_float* noalias sret %{{.*}}, float %{{.*}})
+
+struct agg_double { double a; };
+struct agg_double pass_agg_double(struct agg_double arg) { return arg; }
+// CHECK-LABEL: define void @pass_agg_double(%struct.agg_double* noalias sret %{{.*}}, double %{{.*}})
+
+struct agg_longdouble { long double a; };
+struct agg_longdouble pass_agg_longdouble(struct agg_longdouble arg) { return arg; }
+// CHECK-LABEL: define void @pass_agg_longdouble(%struct.agg_longdouble* noalias sret %{{.*}}, %struct.agg_longdouble* %{{.*}})
+
+struct agg_float_a8 { float a __attribute__((aligned (8))); };
+struct agg_float_a8 pass_agg_float_a8(struct agg_float_a8 arg) { return arg; }
+// CHECK-LABEL: define void @pass_agg_float_a8(%struct.agg_float_a8* noalias sret %{{.*}}, double %{{.*}})
+
+struct agg_float_a16 { float a __attribute__((aligned (16))); };
+struct agg_float_a16 pass_agg_float_a16(struct agg_float_a16 arg) { return arg; }
+// CHECK-LABEL: define void @pass_agg_float_a16(%struct.agg_float_a16* noalias sret %{{.*}}, %struct.agg_float_a16* %{{.*}})
+
+
+// Verify that the following are *not* float-like aggregate types
+
+struct agg_nofloat1 { float a; float b; };
+struct agg_nofloat1 pass_agg_nofloat1(struct agg_nofloat1 arg) { return arg; }
+// CHECK-LABEL: define void @pass_agg_nofloat1(%struct.agg_nofloat1* noalias sret %{{.*}}, i64 %{{.*}})
+
+struct agg_nofloat2 { float a; int b; };
+struct agg_nofloat2 pass_agg_nofloat2(struct agg_nofloat2 arg) { return arg; }
+// CHECK-LABEL: define void @pass_agg_nofloat2(%struct.agg_nofloat2* noalias sret %{{.*}}, i64 %{{.*}})
+
+struct agg_nofloat3 { float a; int : 0; };
+struct agg_nofloat3 pass_agg_nofloat3(struct agg_nofloat3 arg) { return arg; }
+// CHECK-LABEL: define void @pass_agg_nofloat3(%struct.agg_nofloat3* noalias sret %{{.*}}, i32 %{{.*}})
+
+
+// Accessing variable argument lists
+
+int va_int(__builtin_va_list l) { return __builtin_va_arg(l, int); }
+// CHECK-LABEL: define signext i32 @va_int(%struct.__va_list_tag* %{{.*}})
+// CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
+// CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
+// CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
+// CHECK: br i1 [[FITS_IN_REGS]],
+// CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
+// CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 20
+// CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
+// CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
+// CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
+// CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to i32*
+// CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
+// CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
+// CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
+// CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 4
+// CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to i32*
+// CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
+// CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi i32* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
+// CHECK: [[RET:%[^ ]+]] = load i32, i32* [[VA_ARG_ADDR]]
+// CHECK: ret i32 [[RET]]
+
+long va_long(__builtin_va_list l) { return __builtin_va_arg(l, long); }
+// CHECK-LABEL: define i64 @va_long(%struct.__va_list_tag* %{{.*}})
+// CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
+// CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
+// CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
+// CHECK: br i1 [[FITS_IN_REGS]],
+// CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
+// CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
+// CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
+// CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
+// CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
+// CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to i64*
+// CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
+// CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
+// CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
+// CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
+// CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to i64*
+// CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
+// CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi i64* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
+// CHECK: [[RET:%[^ ]+]] = load i64, i64* [[VA_ARG_ADDR]]
+// CHECK: ret i64 [[RET]]
+
+long long va_longlong(__builtin_va_list l) { return __builtin_va_arg(l, long long); }
+// CHECK-LABEL: define i64 @va_longlong(%struct.__va_list_tag* %{{.*}})
+// CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
+// CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
+// CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
+// CHECK: br i1 [[FITS_IN_REGS]],
+// CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
+// CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
+// CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
+// CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
+// CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
+// CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to i64*
+// CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
+// CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
+// CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
+// CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
+// CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to i64*
+// CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
+// CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi i64* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
+// CHECK: [[RET:%[^ ]+]] = load i64, i64* [[VA_ARG_ADDR]]
+// CHECK: ret i64 [[RET]]
+
+double va_double(__builtin_va_list l) { return __builtin_va_arg(l, double); }
+// CHECK-LABEL: define double @va_double(%struct.__va_list_tag* %{{.*}})
+// CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 1
+// CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
+// CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 4
+// CHECK: br i1 [[FITS_IN_REGS]],
+// CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
+// CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 128
+// CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
+// CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
+// CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
+// CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to double*
+// CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
+// CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
+// CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
+// CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
+// CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to double*
+// CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
+// CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi double* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
+// CHECK: [[RET:%[^ ]+]] = load double, double* [[VA_ARG_ADDR]]
+// CHECK: ret double [[RET]]
+
+long double va_longdouble(__builtin_va_list l) { return __builtin_va_arg(l, long double); }
+// CHECK-LABEL: define void @va_longdouble(fp128* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}})
+// CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
+// CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
+// CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
+// CHECK: br i1 [[FITS_IN_REGS]],
+// CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
+// CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
+// CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
+// CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
+// CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
+// CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to fp128**
+// CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
+// CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
+// CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
+// CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
+// CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to fp128**
+// CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
+// CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi fp128** [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
+// CHECK: [[INDIRECT_ARG:%[^ ]+]] = load fp128*, fp128** [[VA_ARG_ADDR]]
+// CHECK: [[RET:%[^ ]+]] = load fp128, fp128* [[INDIRECT_ARG]]
+// CHECK: store fp128 [[RET]], fp128* %{{.*}} 
+// CHECK: ret void
+
+_Complex char va_complex_char(__builtin_va_list l) { return __builtin_va_arg(l, _Complex char); }
+// CHECK-LABEL: define void @va_complex_char({ i8, i8 }* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
+// CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
+// CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
+// CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
+// CHECK: br i1 [[FITS_IN_REGS]],
+// CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
+// CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
+// CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
+// CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
+// CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
+// CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to { i8, i8 }**
+// CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
+// CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
+// CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
+// CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
+// CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to { i8, i8 }**
+// CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
+// CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi { i8, i8 }** [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
+// CHECK: [[INDIRECT_ARG:%[^ ]+]] = load { i8, i8 }*, { i8, i8 }** [[VA_ARG_ADDR]]
+// CHECK: ret void
+
+struct agg_1byte va_agg_1byte(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_1byte); }
+// CHECK-LABEL: define void @va_agg_1byte(%struct.agg_1byte* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
+// CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
+// CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
+// CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
+// CHECK: br i1 [[FITS_IN_REGS]],
+// CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
+// CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 23
+// CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
+// CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
+// CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
+// CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_1byte*
+// CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
+// CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
+// CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
+// CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 7
+// CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_1byte*
+// CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
+// CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_1byte* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
+// CHECK: ret void
+
+struct agg_2byte va_agg_2byte(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_2byte); }
+// CHECK-LABEL: define void @va_agg_2byte(%struct.agg_2byte* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
+// CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
+// CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
+// CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
+// CHECK: br i1 [[FITS_IN_REGS]],
+// CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
+// CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 22
+// CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
+// CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
+// CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
+// CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_2byte*
+// CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
+// CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
+// CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
+// CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 6
+// CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_2byte*
+// CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
+// CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_2byte* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
+// CHECK: ret void
+
+struct agg_3byte va_agg_3byte(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_3byte); }
+// CHECK-LABEL: define void @va_agg_3byte(%struct.agg_3byte* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
+// CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
+// CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
+// CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
+// CHECK: br i1 [[FITS_IN_REGS]],
+// CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
+// CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
+// CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
+// CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
+// CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
+// CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_3byte**
+// CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
+// CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
+// CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
+// CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
+// CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_3byte**
+// CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
+// CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_3byte** [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
+// CHECK: [[INDIRECT_ARG:%[^ ]+]] = load %struct.agg_3byte*, %struct.agg_3byte** [[VA_ARG_ADDR]]
+// CHECK: ret void
+
+struct agg_4byte va_agg_4byte(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_4byte); }
+// CHECK-LABEL: define void @va_agg_4byte(%struct.agg_4byte* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
+// CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
+// CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
+// CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
+// CHECK: br i1 [[FITS_IN_REGS]],
+// CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
+// CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 20
+// CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
+// CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
+// CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
+// CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_4byte*
+// CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
+// CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
+// CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
+// CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 4
+// CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_4byte*
+// CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
+// CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_4byte* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
+// CHECK: ret void
+
+struct agg_8byte va_agg_8byte(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_8byte); }
+// CHECK-LABEL: define void @va_agg_8byte(%struct.agg_8byte* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
+// CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
+// CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
+// CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
+// CHECK: br i1 [[FITS_IN_REGS]],
+// CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
+// CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
+// CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
+// CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
+// CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
+// CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_8byte*
+// CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
+// CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
+// CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
+// CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
+// CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_8byte*
+// CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
+// CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_8byte* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
+// CHECK: ret void
+
+struct agg_float va_agg_float(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_float); }
+// CHECK-LABEL: define void @va_agg_float(%struct.agg_float* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
+// CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 1
+// CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
+// CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 4
+// CHECK: br i1 [[FITS_IN_REGS]],
+// CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
+// CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 128
+// CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
+// CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
+// CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
+// CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_float*
+// CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
+// CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
+// CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
+// CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 4
+// CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_float*
+// CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
+// CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_float* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
+// CHECK: ret void
+
+struct agg_double va_agg_double(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_double); }
+// CHECK-LABEL: define void @va_agg_double(%struct.agg_double* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
+// CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 1
+// CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
+// CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 4
+// CHECK: br i1 [[FITS_IN_REGS]],
+// CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
+// CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 128
+// CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
+// CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
+// CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
+// CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_double*
+// CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
+// CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
+// CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
+// CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
+// CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_double*
+// CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
+// CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_double* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
+// CHECK: ret void
+
+struct agg_longdouble va_agg_longdouble(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_longdouble); }
+// CHECK-LABEL: define void @va_agg_longdouble(%struct.agg_longdouble* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
+// CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
+// CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
+// CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
+// CHECK: br i1 [[FITS_IN_REGS]],
+// CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
+// CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
+// CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
+// CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
+// CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
+// CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_longdouble**
+// CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
+// CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
+// CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
+// CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
+// CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_longdouble**
+// CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
+// CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_longdouble** [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
+// CHECK: [[INDIRECT_ARG:%[^ ]+]] = load %struct.agg_longdouble*, %struct.agg_longdouble** [[VA_ARG_ADDR]]
+// CHECK: ret void
+
+struct agg_float_a8 va_agg_float_a8(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_float_a8); }
+// CHECK-LABEL: define void @va_agg_float_a8(%struct.agg_float_a8* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
+// CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 1
+// CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
+// CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 4
+// CHECK: br i1 [[FITS_IN_REGS]],
+// CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
+// CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 128
+// CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
+// CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
+// CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
+// CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_float_a8*
+// CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
+// CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
+// CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
+// CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
+// CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_float_a8*
+// CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
+// CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_float_a8* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
+// CHECK: ret void
+
+struct agg_float_a16 va_agg_float_a16(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_float_a16); }
+// CHECK-LABEL: define void @va_agg_float_a16(%struct.agg_float_a16* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
+// CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
+// CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
+// CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
+// CHECK: br i1 [[FITS_IN_REGS]],
+// CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
+// CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
+// CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
+// CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
+// CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
+// CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_float_a16**
+// CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
+// CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
+// CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
+// CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
+// CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_float_a16**
+// CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
+// CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_float_a16** [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
+// CHECK: [[INDIRECT_ARG:%[^ ]+]] = load %struct.agg_float_a16*, %struct.agg_float_a16** [[VA_ARG_ADDR]]
+// CHECK: ret void
+
+struct agg_nofloat1 va_agg_nofloat1(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_nofloat1); }
+// CHECK-LABEL: define void @va_agg_nofloat1(%struct.agg_nofloat1* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
+// CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
+// CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
+// CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
+// CHECK: br i1 [[FITS_IN_REGS]],
+// CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
+// CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
+// CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
+// CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
+// CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
+// CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_nofloat1*
+// CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
+// CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
+// CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
+// CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
+// CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_nofloat1*
+// CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
+// CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_nofloat1* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
+// CHECK: ret void
+
+struct agg_nofloat2 va_agg_nofloat2(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_nofloat2); }
+// CHECK-LABEL: define void @va_agg_nofloat2(%struct.agg_nofloat2* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
+// CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
+// CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
+// CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
+// CHECK: br i1 [[FITS_IN_REGS]],
+// CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
+// CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 16
+// CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
+// CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
+// CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
+// CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_nofloat2*
+// CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
+// CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
+// CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
+// CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 0
+// CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_nofloat2*
+// CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
+// CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_nofloat2* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
+// CHECK: ret void
+
+struct agg_nofloat3 va_agg_nofloat3(__builtin_va_list l) { return __builtin_va_arg(l, struct agg_nofloat3); }
+// CHECK-LABEL: define void @va_agg_nofloat3(%struct.agg_nofloat3* noalias sret %{{.*}}, %struct.__va_list_tag* %{{.*}}
+// CHECK: [[REG_COUNT_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 0
+// CHECK: [[REG_COUNT:%[^ ]+]] = load i64, i64* [[REG_COUNT_PTR]]
+// CHECK: [[FITS_IN_REGS:%[^ ]+]] = icmp ult i64 [[REG_COUNT]], 5
+// CHECK: br i1 [[FITS_IN_REGS]],
+// CHECK: [[SCALED_REG_COUNT:%[^ ]+]] = mul i64 [[REG_COUNT]], 8
+// CHECK: [[REG_OFFSET:%[^ ]+]] = add i64 [[SCALED_REG_COUNT]], 20
+// CHECK: [[REG_SAVE_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 3
+// CHECK: [[REG_SAVE_AREA:%[^ ]+]] = load i8*, i8** [[REG_SAVE_AREA_PTR:[^ ]+]]
+// CHECK: [[RAW_REG_ADDR:%[^ ]+]] = getelementptr i8, i8* [[REG_SAVE_AREA]], i64 [[REG_OFFSET]]
+// CHECK: [[REG_ADDR:%[^ ]+]] = bitcast i8* [[RAW_REG_ADDR]] to %struct.agg_nofloat3*
+// CHECK: [[REG_COUNT1:%[^ ]+]] = add i64 [[REG_COUNT]], 1
+// CHECK: store i64 [[REG_COUNT1]], i64* [[REG_COUNT_PTR]]
+// CHECK: [[OVERFLOW_ARG_AREA_PTR:%[^ ]+]] = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %{{.*}}, i32 0, i32 2
+// CHECK: [[OVERFLOW_ARG_AREA:%[^ ]+]] = load i8*, i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[RAW_MEM_ADDR:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 4
+// CHECK: [[MEM_ADDR:%[^ ]+]] = bitcast i8* [[RAW_MEM_ADDR]] to %struct.agg_nofloat3*
+// CHECK: [[OVERFLOW_ARG_AREA2:%[^ ]+]] = getelementptr i8, i8* [[OVERFLOW_ARG_AREA]], i64 8
+// CHECK: store i8* [[OVERFLOW_ARG_AREA2]], i8** [[OVERFLOW_ARG_AREA_PTR]]
+// CHECK: [[VA_ARG_ADDR:%[^ ]+]] = phi %struct.agg_nofloat3* [ [[REG_ADDR]], %{{.*}} ], [ [[MEM_ADDR]], %{{.*}} ]
+// CHECK: ret void
+