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Diffstat (limited to 'test/CodeGen/ARM/fp16.ll')
| -rw-r--r-- | test/CodeGen/ARM/fp16.ll | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/fp16.ll b/test/CodeGen/ARM/fp16.ll new file mode 100644 index 0000000..c5583b9 --- /dev/null +++ b/test/CodeGen/ARM/fp16.ll @@ -0,0 +1,32 @@ +; RUN: llc < %s | FileCheck %s +; RUN: llc -mattr=+vfp3,+fp16 < %s | FileCheck --check-prefix=CHECK-FP16 %s +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n32" +target triple = "armv7-eabi" + +@x = global i16 12902 +@y = global i16 0 +@z = common global i16 0 + +define arm_aapcs_vfpcc void @foo() nounwind { +; CHECK: foo: +; CHECK-FP6: foo: +entry: + %0 = load i16* @x, align 2 + %1 = load i16* @y, align 2 + %2 = tail call float @llvm.convert.from.fp16(i16 %0) +; CHECK: __gnu_h2f_ieee +; CHECK-FP16: vcvtb.f16.f32 + %3 = tail call float @llvm.convert.from.fp16(i16 %1) +; CHECK: __gnu_h2f_ieee +; CHECK-FP16: vcvtb.f16.f32 + %4 = fadd float %2, %3 + %5 = tail call i16 @llvm.convert.to.fp16(float %4) +; CHECK: __gnu_f2h_ieee +; CHECK-FP16: vcvtb.f32.f16 + store i16 %5, i16* @x, align 2 + ret void +} + +declare float @llvm.convert.from.fp16(i16) nounwind readnone + +declare i16 @llvm.convert.to.fp16(float) nounwind readnone |
