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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=aarch64-unknown-unknown | FileCheck %s3 4; Test against PR36600: https://bugs.llvm.org/show_bug.cgi?id=366005; This is not fabs. If X = -0.0, it should return -0.0 not 0.0.6 7define double @not_fabs(double %x) #0 {8; CHECK-LABEL: not_fabs:9; CHECK: // %bb.0:10; CHECK-NEXT: fneg d1, d011; CHECK-NEXT: fcmp d0, #0.012; CHECK-NEXT: fcsel d0, d1, d0, le13; CHECK-NEXT: ret14 %cmp = fcmp nnan ole double %x, 0.015 %sub = fsub nnan double -0.0, %x16 %cond = select i1 %cmp, double %sub, double %x17 ret double %cond18}19 20; Try again with different type, predicate, and compare constant.21 22define float @still_not_fabs(float %x) #0 {23; CHECK-LABEL: still_not_fabs:24; CHECK: // %bb.0:25; CHECK-NEXT: movi v1.2s, #128, lsl #2426; CHECK-NEXT: fneg s2, s027; CHECK-NEXT: fcmp s0, s128; CHECK-NEXT: fcsel s0, s0, s2, ge29; CHECK-NEXT: ret30 %cmp = fcmp nnan oge float %x, -0.031 %sub = fsub nnan float -0.0, %x32 %cond = select i1 %cmp, float %x, float %sub33 ret float %cond34}35 36define float @nabsf(float %a) {37; CHECK-LABEL: nabsf:38; CHECK: // %bb.0:39; CHECK-NEXT: fabs s0, s040; CHECK-NEXT: fneg s0, s041; CHECK-NEXT: ret42 %conv = bitcast float %a to i3243 %and = or i32 %conv, -214748364844 %conv1 = bitcast i32 %and to float45 ret float %conv146}47 48define double @nabsd(double %a) {49; CHECK-LABEL: nabsd:50; CHECK: // %bb.0:51; CHECK-NEXT: fabs d0, d052; CHECK-NEXT: fneg d0, d053; CHECK-NEXT: ret54 %conv = bitcast double %a to i6455 %and = or i64 %conv, -922337203685477580856 %conv1 = bitcast i64 %and to double57 ret double %conv158}59 60define <4 x float> @nabsv4f32(<4 x float> %a) {61; CHECK-LABEL: nabsv4f32:62; CHECK: // %bb.0:63; CHECK-NEXT: orr v0.4s, #128, lsl #2464; CHECK-NEXT: ret65 %conv = bitcast <4 x float> %a to <4 x i32>66 %and = or <4 x i32> %conv, <i32 -2147483648, i32 -2147483648, i32 -2147483648, i32 -2147483648>67 %conv1 = bitcast <4 x i32> %and to <4 x float>68 ret <4 x float> %conv169}70 71define <2 x double> @nabsv2d64(<2 x double> %a) {72; CHECK-LABEL: nabsv2d64:73; CHECK: // %bb.0:74; CHECK-NEXT: movi v1.2d, #000000000000000075; CHECK-NEXT: fneg v1.2d, v1.2d76; CHECK-NEXT: orr v0.16b, v0.16b, v1.16b77; CHECK-NEXT: ret78 %conv = bitcast <2 x double> %a to <2 x i64>79 %and = or <2 x i64> %conv, <i64 -9223372036854775808, i64 -9223372036854775808>80 %conv1 = bitcast <2 x i64> %and to <2 x double>81 ret <2 x double> %conv182}83 84attributes #0 = { "no-nans-fp-math"="true" }85 86