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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=aggressive-instcombine -mtriple x86_64-- -S | FileCheck %s3 4declare float @sqrtf(float)5declare double @sqrt(double)6declare fp128 @sqrtl(fp128)7declare float @llvm.fabs.f32(float)8declare void @llvm.assume(i1 noundef)9 10; "nnan" implies no setting of errno and the target can lower this to an11; instruction, so transform to an intrinsic.12 13define float @sqrt_call_nnan_f32(float %x) {14; CHECK-LABEL: @sqrt_call_nnan_f32(15; CHECK-NEXT: [[SQRT1:%.*]] = call nnan float @llvm.sqrt.f32(float [[X:%.*]])16; CHECK-NEXT: ret float [[SQRT1]]17;18 %sqrt = call nnan float @sqrtf(float %x)19 ret float %sqrt20}21 22; Verify that other FMF are propagated to the intrinsic call.23; We don't care about propagating 'tail' because this is not going to be a lowered as a call.24 25define double @sqrt_call_nnan_f64(double %x) {26; CHECK-LABEL: @sqrt_call_nnan_f64(27; CHECK-NEXT: [[SQRT1:%.*]] = call nnan ninf double @llvm.sqrt.f64(double [[X:%.*]])28; CHECK-NEXT: ret double [[SQRT1]]29;30 %sqrt = tail call nnan ninf double @sqrt(double %x)31 ret double %sqrt32}33 34; We don't change this because it will be lowered to a call that could35; theoretically still change errno and affect other accessors of errno.36 37define fp128 @sqrt_call_nnan_f128(fp128 %x) {38; CHECK-LABEL: @sqrt_call_nnan_f128(39; CHECK-NEXT: [[SQRT:%.*]] = call nnan fp128 @sqrtl(fp128 [[X:%.*]])40; CHECK-NEXT: ret fp128 [[SQRT]]41;42 %sqrt = call nnan fp128 @sqrtl(fp128 %x)43 ret fp128 %sqrt44}45 46; Don't alter a no-builtin libcall.47 48define float @sqrt_call_nnan_f32_nobuiltin(float %x) {49; CHECK-LABEL: @sqrt_call_nnan_f32_nobuiltin(50; CHECK-NEXT: [[SQRT:%.*]] = call nnan float @sqrtf(float [[X:%.*]]) #[[ATTR2:[0-9]+]]51; CHECK-NEXT: ret float [[SQRT]]52;53 %sqrt = call nnan float @sqrtf(float %x) nobuiltin54 ret float %sqrt55}56 57define float @sqrt_call_f32_squared(float %x) {58; CHECK-LABEL: @sqrt_call_f32_squared(59; CHECK-NEXT: [[X2:%.*]] = fmul float [[X:%.*]], [[X]]60; CHECK-NEXT: [[SQRT1:%.*]] = call float @llvm.sqrt.f32(float [[X2]])61; CHECK-NEXT: ret float [[SQRT1]]62;63 %x2 = fmul float %x, %x64 %sqrt = call float @sqrtf(float %x2)65 ret float %sqrt66}67 68define float @sqrt_call_f32_fabs(float %x) {69; CHECK-LABEL: @sqrt_call_f32_fabs(70; CHECK-NEXT: [[A:%.*]] = call float @llvm.fabs.f32(float [[X:%.*]])71; CHECK-NEXT: [[SQRT1:%.*]] = call float @llvm.sqrt.f32(float [[A]])72; CHECK-NEXT: ret float [[SQRT1]]73;74 %a = call float @llvm.fabs.f32(float %x)75 %sqrt = call float @sqrtf(float %a)76 ret float %sqrt77}78 79define float @sqrt_call_f32_assume_oge_n0(float %x) {80; CHECK-LABEL: @sqrt_call_f32_assume_oge_n0(81; CHECK-NEXT: [[IS_POS:%.*]] = fcmp oge float [[X:%.*]], -0.000000e+0082; CHECK-NEXT: call void @llvm.assume(i1 [[IS_POS]])83; CHECK-NEXT: [[SQRT1:%.*]] = call float @llvm.sqrt.f32(float [[X]])84; CHECK-NEXT: ret float [[SQRT1]]85;86 %is.pos = fcmp oge float %x, -0.087 call void @llvm.assume(i1 %is.pos)88 %sqrt = call float @sqrtf(float %x)89 ret float %sqrt90}91