; NOTE: Assertions have been autogenerated by update_test_checks.py ; RUN: opt < %s -instsimplify -S | FileCheck %s ; These tests choose arbitrarily between float and double, ; and between uge and olt, to give reasonble coverage ; without combinatorial explosion. declare float @llvm.fabs.f32(float) declare float @llvm.sqrt.f32(float) declare double @llvm.powi.f64(double,i32) declare float @llvm.exp.f32(float) declare float @llvm.minnum.f32(float, float) declare float @llvm.maxnum.f32(float, float) declare double @llvm.exp2.f64(double) declare float @llvm.fma.f32(float,float,float) declare void @expect_equal(i1,i1) define i1 @orderedLessZeroTree(float,float,float,float) { ; CHECK-LABEL: @orderedLessZeroTree( ; CHECK: ret i1 true ; %square = fmul float %0, %0 %abs = call float @llvm.fabs.f32(float %1) %sqrt = call float @llvm.sqrt.f32(float %2) %fma = call float @llvm.fma.f32(float %3, float %3, float %sqrt) %div = fdiv float %square, %abs %rem = frem float %sqrt, %fma %add = fadd float %div, %rem %uge = fcmp uge float %add, 0.000000e+00 ret i1 %uge } define i1 @orderedLessZeroExpExt(float) { ; CHECK-LABEL: @orderedLessZeroExpExt( ; CHECK: ret i1 true ; %a = call float @llvm.exp.f32(float %0) %b = fpext float %a to double %uge = fcmp uge double %b, 0.000000e+00 ret i1 %uge } define i1 @orderedLessZeroExp2Trunc(double) { ; CHECK-LABEL: @orderedLessZeroExp2Trunc( ; CHECK: ret i1 false ; %a = call double @llvm.exp2.f64(double %0) %b = fptrunc double %a to float %olt = fcmp olt float %b, 0.000000e+00 ret i1 %olt } define i1 @orderedLessZeroPowi(double,double) { ; CHECK-LABEL: @orderedLessZeroPowi( ; CHECK: ret i1 false ; ; Even constant exponent %a = call double @llvm.powi.f64(double %0, i32 2) %square = fmul double %1, %1 ; Odd constant exponent with provably non-negative base %b = call double @llvm.powi.f64(double %square, i32 3) %c = fadd double %a, %b %olt = fcmp olt double %b, 0.000000e+00 ret i1 %olt } define i1 @orderedLessZeroUIToFP(i32) { ; CHECK-LABEL: @orderedLessZeroUIToFP( ; CHECK: ret i1 true ; %a = uitofp i32 %0 to float %uge = fcmp uge float %a, 0.000000e+00 ret i1 %uge } define i1 @orderedLessZeroSelect(float, float) { ; CHECK-LABEL: @orderedLessZeroSelect( ; CHECK: ret i1 true ; %a = call float @llvm.exp.f32(float %0) %b = call float @llvm.fabs.f32(float %1) %c = fcmp olt float %0, %1 %d = select i1 %c, float %a, float %b %e = fadd float %d, 1.0 %uge = fcmp uge float %e, 0.000000e+00 ret i1 %uge } define i1 @orderedLessZeroMinNum(float, float) { ; CHECK-LABEL: @orderedLessZeroMinNum( ; CHECK: ret i1 true ; %a = call float @llvm.exp.f32(float %0) %b = call float @llvm.fabs.f32(float %1) %c = call float @llvm.minnum.f32(float %a, float %b) %uge = fcmp uge float %c, 0.000000e+00 ret i1 %uge } define i1 @orderedLessZeroMaxNum(float, float) { ; CHECK-LABEL: @orderedLessZeroMaxNum( ; CHECK: ret i1 true ; %a = call float @llvm.exp.f32(float %0) %b = call float @llvm.maxnum.f32(float %a, float %1) %uge = fcmp uge float %b, 0.000000e+00 ret i1 %uge } define i1 @nonans1(double %in1, double %in2) { ; CHECK-LABEL: @nonans1( ; CHECK: ret i1 false ; %cmp = fcmp nnan uno double %in1, %in2 ret i1 %cmp } define i1 @nonans2(double %in1, double %in2) { ; CHECK-LABEL: @nonans2( ; CHECK: ret i1 true ; %cmp = fcmp nnan ord double %in1, %in2 ret i1 %cmp }