32 lines
1.3 KiB
LLVM
32 lines
1.3 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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; RUN: llc -mtriple=aarch64-- -mcpu=falkor -mattr=+lse -O0 -aarch64-enable-atomic-cfg-tidy=0 -stop-after=irtranslator -global-isel -verify-machineinstrs %s -o - | FileCheck %s
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define i16 @convert_to_fp16(float %src) {
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; CHECK-LABEL: name: convert_to_fp16
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; CHECK: bb.1 (%ir-block.0):
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; CHECK: liveins: $s0
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; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $s0
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; CHECK: [[FPTRUNC:%[0-9]+]]:_(s16) = G_FPTRUNC [[COPY]](s32)
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; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[FPTRUNC]](s16)
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; CHECK: $w0 = COPY [[ANYEXT]](s32)
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; CHECK: RET_ReallyLR implicit $w0
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%cvt = call i16 @llvm.convert.to.fp16.f32(float %src)
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ret i16 %cvt
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}
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define float @convert_from_fp16(i16 %src) {
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; CHECK-LABEL: name: convert_from_fp16
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; CHECK: bb.1 (%ir-block.0):
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; CHECK: liveins: $w0
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; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
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; CHECK: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
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; CHECK: [[FPEXT:%[0-9]+]]:_(s32) = G_FPEXT [[TRUNC]](s16)
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; CHECK: $s0 = COPY [[FPEXT]](s32)
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; CHECK: RET_ReallyLR implicit $s0
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%cvt = call float @llvm.convert.from.fp16.f32(i16 %src)
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ret float %cvt
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}
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declare i16 @llvm.convert.to.fp16.f32(float) nounwind readnone
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declare float @llvm.convert.from.fp16.f32(i16) nounwind readnone
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