diff options
Diffstat (limited to 'test/CodeGen/ARM/fp16.ll')
| -rw-r--r-- | test/CodeGen/ARM/fp16.ll | 66 |
1 files changed, 59 insertions, 7 deletions
diff --git a/test/CodeGen/ARM/fp16.ll b/test/CodeGen/ARM/fp16.ll index fba7946..5a926ac 100644 --- a/test/CodeGen/ARM/fp16.ll +++ b/test/CodeGen/ARM/fp16.ll @@ -1,32 +1,84 @@ ; RUN: llc < %s | FileCheck %s ; RUN: llc -mattr=+vfp3,+fp16 < %s | FileCheck --check-prefix=CHECK-FP16 %s +; RUN: llc -mtriple=armv8-eabihf < %s | FileCheck --check-prefix=CHECK-ARMV8 %s +; RUN: llc -mtriple=thumbv7m-eabi < %s | FileCheck --check-prefix=CHECK-SOFTFLOAT %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" +target triple = "armv7---eabihf" @x = global i16 12902 @y = global i16 0 @z = common global i16 0 -define arm_aapcs_vfpcc void @foo() nounwind { +define void @foo() nounwind { ; CHECK-LABEL: foo: ; CHECK-FP16-LABEL: foo: +; CHECK-ARMV8-LABEL: foo: +; CHECK-SOFTFLOAT-LABEL: foo: entry: %0 = load i16* @x, align 2 %1 = load i16* @y, align 2 - %2 = tail call float @llvm.convert.from.fp16(i16 %0) + %2 = tail call float @llvm.convert.from.fp16.f32(i16 %0) ; CHECK: __gnu_h2f_ieee ; CHECK-FP16: vcvtb.f32.f16 - %3 = tail call float @llvm.convert.from.fp16(i16 %1) +; CHECK-ARMv8: vcvtb.f32.f16 +; CHECK-SOFTFLOAT: __gnu_h2f_ieee + %3 = tail call float @llvm.convert.from.fp16.f32(i16 %1) ; CHECK: __gnu_h2f_ieee ; CHECK-FP16: vcvtb.f32.f16 +; CHECK-ARMV8: vcvtb.f32.f16 +; CHECK-SOFTFLOAT: __gnu_h2f_ieee %4 = fadd float %2, %3 - %5 = tail call i16 @llvm.convert.to.fp16(float %4) + %5 = tail call i16 @llvm.convert.to.fp16.f32(float %4) ; CHECK: __gnu_f2h_ieee ; CHECK-FP16: vcvtb.f16.f32 +; CHECK-ARMV8: vcvtb.f16.f32 +; CHECK-SOFTFLOAT: __gnu_f2h_ieee store i16 %5, i16* @x, align 2 ret void } -declare float @llvm.convert.from.fp16(i16) nounwind readnone +define double @test_from_fp16(i16 %in) { +; CHECK-LABEL: test_from_fp16: +; CHECK-FP16-LABEL: test_from_fp16: +; CHECK-ARMV8-LABEL: test_from_fp16: +; CHECK-SOFTFLOAT-LABEL: test_from_fp16: + %val = call double @llvm.convert.from.fp16.f64(i16 %in) +; CHECK: bl __gnu_h2f_ieee +; CHECK: vmov [[TMP:s[0-9]+]], r0 +; CHECK: vcvt.f64.f32 d0, [[TMP]] + +; CHECK-FP16: vmov [[TMP16:s[0-9]+]], r0 +; CHECK-FP16: vcvtb.f32.f16 [[TMP32:s[0-9]+]], [[TMP16]] +; CHECK-FP16: vcvt.f64.f32 d0, [[TMP32]] + +; CHECK-ARMV8: vmov [[TMP:s[0-9]+]], r0 +; CHECK-ARMV8: vcvtb.f64.f16 d0, [[TMP]] + +; CHECK-SOFTFLOAT: bl __gnu_h2f_ieee +; CHECK-SOFTFLOAT: bl __aeabi_f2d + ret double %val +} + +define i16 @test_to_fp16(double %in) { +; CHECK-LABEL: test_to_fp16: +; CHECK-FP16-LABEL: test_to_fp16: +; CHECK-ARMV8-LABEL: test_to_fp16: +; CHECK-SOFTFLOAT-LABEL: test_to_fp16: + %val = call i16 @llvm.convert.to.fp16.f64(double %in) +; CHECK: bl __aeabi_d2h + +; CHECK-FP16: bl __aeabi_d2h + +; CHECK-ARMV8: vcvtb.f16.f64 [[TMP:s[0-9]+]], d0 +; CHECK-ARMV8: vmov r0, [[TMP]] + +; CHECK-SOFTFLOAT: bl __aeabi_d2h + ret i16 %val +} + +declare float @llvm.convert.from.fp16.f32(i16) nounwind readnone +declare double @llvm.convert.from.fp16.f64(i16) nounwind readnone -declare i16 @llvm.convert.to.fp16(float) nounwind readnone +declare i16 @llvm.convert.to.fp16.f32(float) nounwind readnone +declare i16 @llvm.convert.to.fp16.f64(double) nounwind readnone |