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Diffstat (limited to 'test/CodeGen/arm-fp16-arguments.c')
| -rw-r--r-- | test/CodeGen/arm-fp16-arguments.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/arm-fp16-arguments.c b/test/CodeGen/arm-fp16-arguments.c new file mode 100644 index 0000000..15a9ceb --- /dev/null +++ b/test/CodeGen/arm-fp16-arguments.c @@ -0,0 +1,21 @@ +// RUN: %clang_cc1 -triple armv7a--none-eabi -target-abi aapcs -mfloat-abi soft -fallow-half-arguments-and-returns -emit-llvm -o - -O1 %s | FileCheck %s --check-prefix=CHECK --check-prefix=SOFT +// RUN: %clang_cc1 -triple armv7a--none-eabi -target-abi aapcs -mfloat-abi hard -fallow-half-arguments-and-returns -emit-llvm -o - -O1 %s | FileCheck %s --check-prefix=CHECK --check-prefix=HARD + +__fp16 g; + +void t1(__fp16 a) { g = a; } +// SOFT: define void @t1(i32 [[PARAM:%.*]]) +// SOFT: [[TRUNC:%.*]] = trunc i32 [[PARAM]] to i16 +// HARD: define arm_aapcs_vfpcc void @t1(float [[PARAM:%.*]]) +// HARD: [[BITCAST:%.*]] = bitcast float [[PARAM]] to i32 +// HARD: [[TRUNC:%.*]] = trunc i32 [[BITCAST]] to i16 +// CHECK: store i16 [[TRUNC]], i16* bitcast (half* @g to i16*) + +__fp16 t2() { return g; } +// SOFT: define i32 @t2() +// HARD: define arm_aapcs_vfpcc float @t2() +// CHECK: [[LOAD:%.*]] = load i16, i16* bitcast (half* @g to i16*) +// CHECK: [[ZEXT:%.*]] = zext i16 [[LOAD]] to i32 +// SOFT: ret i32 [[ZEXT]] +// HARD: [[BITCAST:%.*]] = bitcast i32 [[ZEXT]] to float +// HARD: ret float [[BITCAST]] |
