69 lines
2.7 KiB
LLVM
69 lines
2.7 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -O0 -o - %s | FileCheck %s
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; RUN: llc -O3 -o - %s | FileCheck %s --check-prefix=SUBOPTIMAL
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64-arm-none-eabi"
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declare float @llvm.experimental.constrained.sitofp.f32.i32(i32, metadata, metadata)
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declare float @llvm.experimental.constrained.sitofp.f32.i16(i16, metadata, metadata)
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declare i1 @llvm.experimental.constrained.fcmp.f32(float, float, metadata, metadata)
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declare float @llvm.experimental.constrained.uitofp.f32.i16(i16, metadata, metadata)
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define i32 @test() #0 {
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; CHECK-LABEL: test:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: mov w8, #1
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; CHECK-NEXT: scvtf s0, w8
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; CHECK-NEXT: fcmp s0, s0
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; CHECK-NEXT: cset w0, eq
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; CHECK-NEXT: ret
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;
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; SUBOPTIMAL-LABEL: test:
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; SUBOPTIMAL: // %bb.0: // %entry
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; SUBOPTIMAL-NEXT: mov w8, #1
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; SUBOPTIMAL-NEXT: scvtf s0, w8
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; SUBOPTIMAL-NEXT: mov w8, #1
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; SUBOPTIMAL-NEXT: scvtf s1, w8
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; SUBOPTIMAL-NEXT: fcmp s0, s1
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; SUBOPTIMAL-NEXT: cset w8, eq
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; SUBOPTIMAL-NEXT: and w0, w8, #0x1
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; SUBOPTIMAL-NEXT: ret
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entry:
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%conv = call float @llvm.experimental.constrained.sitofp.f32.i32(i32 1, metadata !"round.tonearest", metadata !"fpexcept.strict") #1
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%conv1 = call float @llvm.experimental.constrained.sitofp.f32.i16(i16 1, metadata !"round.tonearest", metadata !"fpexcept.strict") #1
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%cmp = call i1 @llvm.experimental.constrained.fcmp.f32(float %conv, float %conv1, metadata !"oeq", metadata !"fpexcept.strict") #1
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%conv2 = zext i1 %cmp to i32
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ret i32 %conv2
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}
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define i32 @test2() #0 {
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; CHECK-LABEL: test2:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: mov w8, #1
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; CHECK-NEXT: scvtf s0, w8
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; CHECK-NEXT: ucvtf s1, w8
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; CHECK-NEXT: fcmp s0, s1
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; CHECK-NEXT: cset w0, eq
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; CHECK-NEXT: ret
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;
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; SUBOPTIMAL-LABEL: test2:
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; SUBOPTIMAL: // %bb.0: // %entry
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; SUBOPTIMAL-NEXT: mov w8, #1
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; SUBOPTIMAL-NEXT: scvtf s0, w8
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; SUBOPTIMAL-NEXT: mov w8, #1
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; SUBOPTIMAL-NEXT: ucvtf s1, w8
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; SUBOPTIMAL-NEXT: fcmp s0, s1
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; SUBOPTIMAL-NEXT: cset w8, eq
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; SUBOPTIMAL-NEXT: and w0, w8, #0x1
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; SUBOPTIMAL-NEXT: ret
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entry:
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%conv = call float @llvm.experimental.constrained.sitofp.f32.i32(i32 1, metadata !"round.tonearest", metadata !"fpexcept.strict") #1
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%conv1 = call float @llvm.experimental.constrained.uitofp.f32.i16(i16 1, metadata !"round.tonearest", metadata !"fpexcept.strict") #1
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%cmp = call i1 @llvm.experimental.constrained.fcmp.f32(float %conv, float %conv1, metadata !"oeq", metadata !"fpexcept.strict") #1
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%conv2 = zext i1 %cmp to i32
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ret i32 %conv2
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}
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attributes #0 = { strictfp noinline optnone }
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attributes #1 = { strictfp }
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