1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 2; RUN: opt < %s -passes=instcombine -S | FileCheck %s 3 4define double @zero(double %value) { 5; CHECK-LABEL: define double @zero( 6; CHECK-SAME: double [[VALUE:%.*]]) { 7; CHECK-NEXT: ret double 1.000000e+00 8; 9 %res = call double @llvm.pow.f64(double %value, double 0.000000e+00) 10 ret double %res 11} 12 13define double @minus_zero(double %value) { 14; CHECK-LABEL: define double @minus_zero( 15; CHECK-SAME: double [[VALUE:%.*]]) { 16; CHECK-NEXT: ret double 1.000000e+00 17; 18 %res = call double @llvm.pow.f64(double %value, double -0.000000e+00) 19 ret double %res 20} 21 22define double @fast_zero(double %value) { 23; CHECK-LABEL: define double @fast_zero( 24; CHECK-SAME: double [[VALUE:%.*]]) { 25; CHECK-NEXT: ret double 1.000000e+00 26; 27 %res = call fast double @llvm.pow.f64(double %value, double 0.000000e+00) 28 ret double %res 29} 30 31define double @fast_minus_zero(double %value) { 32; CHECK-LABEL: define double @fast_minus_zero( 33; CHECK-SAME: double [[VALUE:%.*]]) { 34; CHECK-NEXT: ret double 1.000000e+00 35; 36 %res = call fast double @llvm.pow.f64(double %value, double -0.000000e+00) 37 ret double %res 38} 39 40define <2 x double> @vec_zero(<2 x double> %value) { 41; CHECK-LABEL: define <2 x double> @vec_zero( 42; CHECK-SAME: <2 x double> [[VALUE:%.*]]) { 43; CHECK-NEXT: ret <2 x double> splat (double 1.000000e+00) 44; 45 %res = call <2 x double> @llvm.pow.v2f64(<2 x double> %value, <2 x double> <double 0.000000e+00, double 0.000000e+00>) 46 ret <2 x double> %res 47} 48 49define <2 x double> @vec_minus_zero(<2 x double> %value) { 50; CHECK-LABEL: define <2 x double> @vec_minus_zero( 51; CHECK-SAME: <2 x double> [[VALUE:%.*]]) { 52; CHECK-NEXT: ret <2 x double> splat (double 1.000000e+00) 53; 54 %res = call <2 x double> @llvm.pow.v2f64(<2 x double> %value, <2 x double> <double -0.000000e+00, double -0.000000e+00>) 55 ret <2 x double> %res 56} 57 58define <2 x double> @vec_fast_zero(<2 x double> %value) { 59; CHECK-LABEL: define <2 x double> @vec_fast_zero( 60; CHECK-SAME: <2 x double> [[VALUE:%.*]]) { 61; CHECK-NEXT: ret <2 x double> splat (double 1.000000e+00) 62; 63 %res = call fast <2 x double> @llvm.pow.v2f64(<2 x double> %value, <2 x double> <double 0.000000e+00, double 0.000000e+00>) 64 ret <2 x double> %res 65} 66 67define <2 x double> @vec_fast_minus_zero(<2 x double> %value) { 68; CHECK-LABEL: define <2 x double> @vec_fast_minus_zero( 69; CHECK-SAME: <2 x double> [[VALUE:%.*]]) { 70; CHECK-NEXT: ret <2 x double> splat (double 1.000000e+00) 71; 72 %res = call fast <2 x double> @llvm.pow.v2f64(<2 x double> %value, <2 x double> <double -0.000000e+00, double -0.000000e+00>) 73 ret <2 x double> %res 74} 75 76declare double @llvm.pow.f64(double, double) 77declare <2 x double> @llvm.pow.v2f64(<2 x double>, <2 x double>) 78