1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc -O0 -o - %s | FileCheck %s 3; RUN: llc -O3 -o - %s | FileCheck %s --check-prefix=SUBOPTIMAL 4target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" 5target triple = "aarch64" 6 7declare float @llvm.experimental.constrained.sitofp.f32.i32(i32, metadata, metadata) 8declare float @llvm.experimental.constrained.sitofp.f32.i16(i16, metadata, metadata) 9declare i1 @llvm.experimental.constrained.fcmp.f32(float, float, metadata, metadata) 10declare float @llvm.experimental.constrained.uitofp.f32.i16(i16, metadata, metadata) 11 12define i32 @test() #0 { 13; CHECK-LABEL: test: 14; CHECK: // %bb.0: // %entry 15; CHECK-NEXT: mov w8, #1 16; CHECK-NEXT: scvtf s0, w8 17; CHECK-NEXT: fcmp s0, s0 18; CHECK-NEXT: cset w0, eq 19; CHECK-NEXT: ret 20; 21; SUBOPTIMAL-LABEL: test: 22; SUBOPTIMAL: // %bb.0: // %entry 23; SUBOPTIMAL-NEXT: mov w8, #1 24; SUBOPTIMAL-NEXT: scvtf s0, w8 25; SUBOPTIMAL-NEXT: mov w8, #1 26; SUBOPTIMAL-NEXT: scvtf s1, w8 27; SUBOPTIMAL-NEXT: fcmp s0, s1 28; SUBOPTIMAL-NEXT: cset w8, eq 29; SUBOPTIMAL-NEXT: and w0, w8, #0x1 30; SUBOPTIMAL-NEXT: ret 31entry: 32 %conv = call float @llvm.experimental.constrained.sitofp.f32.i32(i32 1, metadata !"round.tonearest", metadata !"fpexcept.strict") #1 33 %conv1 = call float @llvm.experimental.constrained.sitofp.f32.i16(i16 1, metadata !"round.tonearest", metadata !"fpexcept.strict") #1 34 %cmp = call i1 @llvm.experimental.constrained.fcmp.f32(float %conv, float %conv1, metadata !"oeq", metadata !"fpexcept.strict") #1 35 %conv2 = zext i1 %cmp to i32 36 ret i32 %conv2 37} 38 39define i32 @test2() #0 { 40; CHECK-LABEL: test2: 41; CHECK: // %bb.0: // %entry 42; CHECK-NEXT: mov w8, #1 43; CHECK-NEXT: scvtf s0, w8 44; CHECK-NEXT: ucvtf s1, w8 45; CHECK-NEXT: fcmp s0, s1 46; CHECK-NEXT: cset w0, eq 47; CHECK-NEXT: ret 48; 49; SUBOPTIMAL-LABEL: test2: 50; SUBOPTIMAL: // %bb.0: // %entry 51; SUBOPTIMAL-NEXT: mov w8, #1 52; SUBOPTIMAL-NEXT: scvtf s0, w8 53; SUBOPTIMAL-NEXT: mov w8, #1 54; SUBOPTIMAL-NEXT: ucvtf s1, w8 55; SUBOPTIMAL-NEXT: fcmp s0, s1 56; SUBOPTIMAL-NEXT: cset w8, eq 57; SUBOPTIMAL-NEXT: and w0, w8, #0x1 58; SUBOPTIMAL-NEXT: ret 59entry: 60 %conv = call float @llvm.experimental.constrained.sitofp.f32.i32(i32 1, metadata !"round.tonearest", metadata !"fpexcept.strict") #1 61 %conv1 = call float @llvm.experimental.constrained.uitofp.f32.i16(i16 1, metadata !"round.tonearest", metadata !"fpexcept.strict") #1 62 %cmp = call i1 @llvm.experimental.constrained.fcmp.f32(float %conv, float %conv1, metadata !"oeq", metadata !"fpexcept.strict") #1 63 %conv2 = zext i1 %cmp to i32 64 ret i32 %conv2 65} 66 67attributes #0 = { strictfp noinline optnone } 68attributes #1 = { strictfp } 69