| ; NOTE: Assertions have been autogenerated by update_test_checks.py |
| ; RUN: opt < %s -instsimplify -S | FileCheck %s |
| |
| ; Infinity |
| |
| define i1 @inf0(double %arg) { |
| ; CHECK-LABEL: @inf0( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %tmp = fcmp ogt double %arg, 0x7FF0000000000000 |
| ret i1 %tmp |
| } |
| |
| define i1 @inf1(double %arg) { |
| ; CHECK-LABEL: @inf1( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %tmp = fcmp ule double %arg, 0x7FF0000000000000 |
| ret i1 %tmp |
| } |
| |
| ; Negative infinity |
| |
| define i1 @ninf0(double %arg) { |
| ; CHECK-LABEL: @ninf0( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %tmp = fcmp olt double %arg, 0xFFF0000000000000 |
| ret i1 %tmp |
| } |
| |
| define i1 @ninf1(double %arg) { |
| ; CHECK-LABEL: @ninf1( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %tmp = fcmp uge double %arg, 0xFFF0000000000000 |
| ret i1 %tmp |
| } |
| |
| ; NaNs |
| |
| define i1 @nan0(double %arg) { |
| ; CHECK-LABEL: @nan0( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %tmp = fcmp ord double %arg, 0x7FF00000FFFFFFFF |
| ret i1 %tmp |
| } |
| |
| define i1 @nan1(double %arg) { |
| ; CHECK-LABEL: @nan1( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %tmp = fcmp oeq double %arg, 0x7FF00000FFFFFFFF |
| ret i1 %tmp |
| } |
| |
| define i1 @nan2(double %arg) { |
| ; CHECK-LABEL: @nan2( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %tmp = fcmp olt double %arg, 0x7FF00000FFFFFFFF |
| ret i1 %tmp |
| } |
| |
| define i1 @nan3(double %arg) { |
| ; CHECK-LABEL: @nan3( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %tmp = fcmp uno double %arg, 0x7FF00000FFFFFFFF |
| ret i1 %tmp |
| } |
| |
| define i1 @nan4(double %arg) { |
| ; CHECK-LABEL: @nan4( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %tmp = fcmp une double %arg, 0x7FF00000FFFFFFFF |
| ret i1 %tmp |
| } |
| |
| define i1 @nan5(double %arg) { |
| ; CHECK-LABEL: @nan5( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %tmp = fcmp ult double %arg, 0x7FF00000FFFFFFFF |
| ret i1 %tmp |
| } |
| |
| ; Negative NaN. |
| |
| define i1 @nnan0(double %arg) { |
| ; CHECK-LABEL: @nnan0( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %tmp = fcmp ord double %arg, 0xFFF00000FFFFFFFF |
| ret i1 %tmp |
| } |
| |
| define i1 @nnan1(double %arg) { |
| ; CHECK-LABEL: @nnan1( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %tmp = fcmp oeq double %arg, 0xFFF00000FFFFFFFF |
| ret i1 %tmp |
| } |
| |
| define i1 @nnan2(double %arg) { |
| ; CHECK-LABEL: @nnan2( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %tmp = fcmp olt double %arg, 0xFFF00000FFFFFFFF |
| ret i1 %tmp |
| } |
| |
| define i1 @nnan3(double %arg) { |
| ; CHECK-LABEL: @nnan3( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %tmp = fcmp uno double %arg, 0xFFF00000FFFFFFFF |
| ret i1 %tmp |
| } |
| |
| define i1 @nnan4(double %arg) { |
| ; CHECK-LABEL: @nnan4( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %tmp = fcmp une double %arg, 0xFFF00000FFFFFFFF |
| ret i1 %tmp |
| } |
| |
| define i1 @nnan5(double %arg) { |
| ; CHECK-LABEL: @nnan5( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %tmp = fcmp ult double %arg, 0xFFF00000FFFFFFFF |
| ret i1 %tmp |
| } |
| |
| ; Negative zero. |
| |
| define i1 @nzero0() { |
| ; CHECK-LABEL: @nzero0( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %tmp = fcmp oeq double 0.0, -0.0 |
| ret i1 %tmp |
| } |
| |
| define i1 @nzero1() { |
| ; CHECK-LABEL: @nzero1( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %tmp = fcmp ogt double 0.0, -0.0 |
| ret i1 %tmp |
| } |
| |
| ; No enlightenment here. |
| |
| define i1 @one_with_self(double %arg) { |
| ; CHECK-LABEL: @one_with_self( |
| ; CHECK-NEXT: ret i1 false |
| ; |
| %tmp = fcmp one double %arg, %arg |
| ret i1 %tmp |
| } |
| |
| ; 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-NEXT: 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-NEXT: 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-NEXT: 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-NEXT: 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-NEXT: 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-NEXT: 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-NEXT: 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-NEXT: 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-NEXT: ret i1 false |
| ; |
| %cmp = fcmp nnan uno double %in1, %in2 |
| ret i1 %cmp |
| } |
| |
| define i1 @nonans2(double %in1, double %in2) { |
| ; CHECK-LABEL: @nonans2( |
| ; CHECK-NEXT: ret i1 true |
| ; |
| %cmp = fcmp nnan ord double %in1, %in2 |
| ret i1 %cmp |
| } |
| |
| define <2 x i1> @orderedCompareWithNaNVector(<2 x double> %A) { |
| ; CHECK-LABEL: @orderedCompareWithNaNVector( |
| ; CHECK-NEXT: ret <2 x i1> zeroinitializer |
| ; |
| %cmp = fcmp olt <2 x double> %A, <double 0xFFFFFFFFFFFFFFFF, double 0xFFFFFFFFFFFFFFFF> |
| ret <2 x i1> %cmp |
| } |
| |