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https://github.com/RPCS3/llvm-mirror.git
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7a21856af1
This is the inverted case for the transform added with D53874 / rL345725. llvm-svn: 345728
526 lines
14 KiB
LLVM
526 lines
14 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instsimplify -S | FileCheck %s
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; Infinity
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define i1 @inf0(double %arg) {
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; CHECK-LABEL: @inf0(
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; CHECK-NEXT: ret i1 false
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;
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%tmp = fcmp ogt double %arg, 0x7FF0000000000000
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ret i1 %tmp
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}
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define i1 @inf1(double %arg) {
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; CHECK-LABEL: @inf1(
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; CHECK-NEXT: ret i1 true
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;
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%tmp = fcmp ule double %arg, 0x7FF0000000000000
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ret i1 %tmp
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}
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; Negative infinity
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define i1 @ninf0(double %arg) {
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; CHECK-LABEL: @ninf0(
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; CHECK-NEXT: ret i1 false
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;
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%tmp = fcmp olt double %arg, 0xFFF0000000000000
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ret i1 %tmp
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}
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define i1 @ninf1(double %arg) {
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; CHECK-LABEL: @ninf1(
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; CHECK-NEXT: ret i1 true
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;
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%tmp = fcmp uge double %arg, 0xFFF0000000000000
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ret i1 %tmp
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}
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; NaNs
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define i1 @nan0(double %arg) {
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; CHECK-LABEL: @nan0(
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; CHECK-NEXT: ret i1 false
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;
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%tmp = fcmp ord double %arg, 0x7FF00000FFFFFFFF
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ret i1 %tmp
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}
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define i1 @nan1(double %arg) {
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; CHECK-LABEL: @nan1(
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; CHECK-NEXT: ret i1 false
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;
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%tmp = fcmp oeq double %arg, 0x7FF00000FFFFFFFF
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ret i1 %tmp
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}
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define i1 @nan2(double %arg) {
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; CHECK-LABEL: @nan2(
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; CHECK-NEXT: ret i1 false
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;
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%tmp = fcmp olt double %arg, 0x7FF00000FFFFFFFF
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ret i1 %tmp
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}
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define i1 @nan3(double %arg) {
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; CHECK-LABEL: @nan3(
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; CHECK-NEXT: ret i1 true
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;
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%tmp = fcmp uno double %arg, 0x7FF00000FFFFFFFF
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ret i1 %tmp
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}
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define i1 @nan4(double %arg) {
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; CHECK-LABEL: @nan4(
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; CHECK-NEXT: ret i1 true
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;
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%tmp = fcmp une double %arg, 0x7FF00000FFFFFFFF
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ret i1 %tmp
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}
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define i1 @nan5(double %arg) {
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; CHECK-LABEL: @nan5(
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; CHECK-NEXT: ret i1 true
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;
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%tmp = fcmp ult double %arg, 0x7FF00000FFFFFFFF
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ret i1 %tmp
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}
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; Negative NaN.
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define i1 @nnan0(double %arg) {
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; CHECK-LABEL: @nnan0(
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; CHECK-NEXT: ret i1 false
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;
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%tmp = fcmp ord double %arg, 0xFFF00000FFFFFFFF
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ret i1 %tmp
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}
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define i1 @nnan1(double %arg) {
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; CHECK-LABEL: @nnan1(
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; CHECK-NEXT: ret i1 false
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;
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%tmp = fcmp oeq double %arg, 0xFFF00000FFFFFFFF
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ret i1 %tmp
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}
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define i1 @nnan2(double %arg) {
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; CHECK-LABEL: @nnan2(
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; CHECK-NEXT: ret i1 false
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;
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%tmp = fcmp olt double %arg, 0xFFF00000FFFFFFFF
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ret i1 %tmp
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}
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define i1 @nnan3(double %arg) {
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; CHECK-LABEL: @nnan3(
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; CHECK-NEXT: ret i1 true
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;
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%tmp = fcmp uno double %arg, 0xFFF00000FFFFFFFF
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ret i1 %tmp
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}
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define i1 @nnan4(double %arg) {
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; CHECK-LABEL: @nnan4(
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; CHECK-NEXT: ret i1 true
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;
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%tmp = fcmp une double %arg, 0xFFF00000FFFFFFFF
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ret i1 %tmp
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}
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define i1 @nnan5(double %arg) {
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; CHECK-LABEL: @nnan5(
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; CHECK-NEXT: ret i1 true
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;
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%tmp = fcmp ult double %arg, 0xFFF00000FFFFFFFF
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ret i1 %tmp
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}
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; Negative zero.
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define i1 @nzero0() {
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; CHECK-LABEL: @nzero0(
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; CHECK-NEXT: ret i1 true
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;
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%tmp = fcmp oeq double 0.0, -0.0
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ret i1 %tmp
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}
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define i1 @nzero1() {
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; CHECK-LABEL: @nzero1(
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; CHECK-NEXT: ret i1 false
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;
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%tmp = fcmp ogt double 0.0, -0.0
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ret i1 %tmp
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}
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; No enlightenment here.
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define i1 @one_with_self(double %arg) {
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; CHECK-LABEL: @one_with_self(
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; CHECK-NEXT: ret i1 false
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;
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%tmp = fcmp one double %arg, %arg
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ret i1 %tmp
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}
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; These tests choose arbitrarily between float and double,
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; and between uge and olt, to give reasonble coverage
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; without combinatorial explosion.
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declare half @llvm.fabs.f16(half)
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declare float @llvm.fabs.f32(float)
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declare double @llvm.fabs.f64(double)
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declare <2 x float> @llvm.fabs.v2f32(<2 x float>)
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declare <2 x double> @llvm.fabs.v2f64(<2 x double>)
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declare float @llvm.sqrt.f32(float)
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declare double @llvm.powi.f64(double,i32)
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declare float @llvm.exp.f32(float)
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declare float @llvm.minnum.f32(float, float)
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declare float @llvm.maxnum.f32(float, float)
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declare float @llvm.maximum.f32(float, float)
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declare double @llvm.exp2.f64(double)
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declare float @llvm.fma.f32(float,float,float)
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declare void @expect_equal(i1,i1)
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define i1 @orderedLessZeroTree(float,float,float,float) {
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; CHECK-LABEL: @orderedLessZeroTree(
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; CHECK-NEXT: ret i1 true
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;
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%square = fmul float %0, %0
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%abs = call float @llvm.fabs.f32(float %1)
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%sqrt = call float @llvm.sqrt.f32(float %2)
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%fma = call float @llvm.fma.f32(float %3, float %3, float %sqrt)
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%div = fdiv float %square, %abs
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%rem = frem float %sqrt, %fma
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%add = fadd float %div, %rem
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%uge = fcmp uge float %add, 0.000000e+00
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ret i1 %uge
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}
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define i1 @orderedLessZeroExpExt(float) {
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; CHECK-LABEL: @orderedLessZeroExpExt(
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; CHECK-NEXT: ret i1 true
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;
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%a = call float @llvm.exp.f32(float %0)
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%b = fpext float %a to double
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%uge = fcmp uge double %b, 0.000000e+00
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ret i1 %uge
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}
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define i1 @orderedLessZeroExp2Trunc(double) {
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; CHECK-LABEL: @orderedLessZeroExp2Trunc(
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; CHECK-NEXT: ret i1 false
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;
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%a = call double @llvm.exp2.f64(double %0)
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%b = fptrunc double %a to float
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%olt = fcmp olt float %b, 0.000000e+00
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ret i1 %olt
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}
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define i1 @orderedLessZeroPowi(double,double) {
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; CHECK-LABEL: @orderedLessZeroPowi(
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; CHECK-NEXT: ret i1 false
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;
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; Even constant exponent
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%a = call double @llvm.powi.f64(double %0, i32 2)
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%square = fmul double %1, %1
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; Odd constant exponent with provably non-negative base
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%b = call double @llvm.powi.f64(double %square, i32 3)
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%c = fadd double %a, %b
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%olt = fcmp olt double %b, 0.000000e+00
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ret i1 %olt
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}
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define i1 @UIToFP_is_nan_or_positive_or_zero(i32 %x) {
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; CHECK-LABEL: @UIToFP_is_nan_or_positive_or_zero(
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; CHECK-NEXT: ret i1 true
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;
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%a = uitofp i32 %x to float
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%r = fcmp uge float %a, 0.000000e+00
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ret i1 %r
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}
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define <2 x i1> @UIToFP_is_nan_or_positive_or_zero_vec(<2 x i32> %x) {
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; CHECK-LABEL: @UIToFP_is_nan_or_positive_or_zero_vec(
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; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
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;
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%a = uitofp <2 x i32> %x to <2 x float>
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%r = fcmp uge <2 x float> %a, zeroinitializer
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ret <2 x i1> %r
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}
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define i1 @UIToFP_nnan_is_positive_or_zero(i32 %x) {
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; CHECK-LABEL: @UIToFP_nnan_is_positive_or_zero(
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; CHECK-NEXT: ret i1 true
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;
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%a = uitofp i32 %x to float
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%r = fcmp nnan oge float %a, 0.000000e+00
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ret i1 %r
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}
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define <2 x i1> @UIToFP_nnan_is_positive_or_zero_vec(<2 x i32> %x) {
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; CHECK-LABEL: @UIToFP_nnan_is_positive_or_zero_vec(
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; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
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;
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%a = uitofp <2 x i32> %x to <2 x float>
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%r = fcmp nnan oge <2 x float> %a, zeroinitializer
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ret <2 x i1> %r
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}
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define i1 @UIToFP_is_not_negative(i32 %x) {
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; CHECK-LABEL: @UIToFP_is_not_negative(
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; CHECK-NEXT: ret i1 false
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;
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%a = uitofp i32 %x to float
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%r = fcmp olt float %a, 0.000000e+00
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ret i1 %r
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}
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define <2 x i1> @UIToFP_is_not_negative_vec(<2 x i32> %x) {
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; CHECK-LABEL: @UIToFP_is_not_negative_vec(
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; CHECK-NEXT: ret <2 x i1> zeroinitializer
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;
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%a = uitofp <2 x i32> %x to <2 x float>
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%r = fcmp olt <2 x float> %a, zeroinitializer
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ret <2 x i1> %r
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}
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define i1 @UIToFP_nnan_is_not_negative(i32 %x) {
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; CHECK-LABEL: @UIToFP_nnan_is_not_negative(
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; CHECK-NEXT: ret i1 false
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;
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%a = uitofp i32 %x to float
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%r = fcmp nnan ult float %a, 0.000000e+00
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ret i1 %r
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}
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define <2 x i1> @UIToFP_nnan_is_not_negative_vec(<2 x i32> %x) {
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; CHECK-LABEL: @UIToFP_nnan_is_not_negative_vec(
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; CHECK-NEXT: ret <2 x i1> zeroinitializer
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;
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%a = uitofp <2 x i32> %x to <2 x float>
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%r = fcmp nnan ult <2 x float> %a, zeroinitializer
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ret <2 x i1> %r
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}
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define i1 @fabs_is_nan_or_positive_or_zero(double %x) {
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; CHECK-LABEL: @fabs_is_nan_or_positive_or_zero(
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; CHECK-NEXT: ret i1 true
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;
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%fabs = tail call double @llvm.fabs.f64(double %x)
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%cmp = fcmp uge double %fabs, 0.0
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ret i1 %cmp
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}
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define <2 x i1> @fabs_is_nan_or_positive_or_zero_vec(<2 x double> %x) {
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; CHECK-LABEL: @fabs_is_nan_or_positive_or_zero_vec(
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; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
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;
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%fabs = tail call <2 x double> @llvm.fabs.v2f64(<2 x double> %x)
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%cmp = fcmp uge <2 x double> %fabs, zeroinitializer
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ret <2 x i1> %cmp
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}
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define i1 @fabs_nnan_is_positive_or_zero(double %x) {
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; CHECK-LABEL: @fabs_nnan_is_positive_or_zero(
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; CHECK-NEXT: ret i1 true
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;
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%fabs = tail call double @llvm.fabs.f64(double %x)
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%cmp = fcmp nnan oge double %fabs, 0.0
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ret i1 %cmp
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}
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define <2 x i1> @fabs_nnan_is_positive_or_zero_vec(<2 x double> %x) {
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; CHECK-LABEL: @fabs_nnan_is_positive_or_zero_vec(
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; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
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;
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%fabs = tail call <2 x double> @llvm.fabs.v2f64(<2 x double> %x)
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%cmp = fcmp nnan oge <2 x double> %fabs, zeroinitializer
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ret <2 x i1> %cmp
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}
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define i1 @fabs_is_not_negative(double %x) {
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; CHECK-LABEL: @fabs_is_not_negative(
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; CHECK-NEXT: ret i1 false
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;
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%fabs = tail call double @llvm.fabs.f64(double %x)
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%cmp = fcmp olt double %fabs, 0.0
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ret i1 %cmp
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}
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define <2 x i1> @fabs_is_not_negative_vec(<2 x double> %x) {
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; CHECK-LABEL: @fabs_is_not_negative_vec(
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; CHECK-NEXT: ret <2 x i1> zeroinitializer
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;
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%fabs = tail call <2 x double> @llvm.fabs.v2f64(<2 x double> %x)
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%cmp = fcmp olt <2 x double> %fabs, zeroinitializer
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ret <2 x i1> %cmp
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}
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define i1 @fabs_nnan_is_not_negative(double %x) {
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; CHECK-LABEL: @fabs_nnan_is_not_negative(
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; CHECK-NEXT: ret i1 false
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;
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%fabs = tail call double @llvm.fabs.f64(double %x)
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%cmp = fcmp nnan ult double %fabs, 0.0
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ret i1 %cmp
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}
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define <2 x i1> @fabs_nnan_is_not_negative_vec(<2 x double> %x) {
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; CHECK-LABEL: @fabs_nnan_is_not_negative_vec(
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; CHECK-NEXT: ret <2 x i1> zeroinitializer
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;
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%fabs = tail call <2 x double> @llvm.fabs.v2f64(<2 x double> %x)
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%cmp = fcmp nnan ult <2 x double> %fabs, zeroinitializer
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ret <2 x i1> %cmp
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}
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define i1 @orderedLessZeroSelect(float, float) {
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; CHECK-LABEL: @orderedLessZeroSelect(
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; CHECK-NEXT: ret i1 true
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;
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%a = call float @llvm.exp.f32(float %0)
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%b = call float @llvm.fabs.f32(float %1)
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%c = fcmp olt float %0, %1
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%d = select i1 %c, float %a, float %b
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%e = fadd float %d, 1.0
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%uge = fcmp uge float %e, 0.000000e+00
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ret i1 %uge
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}
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define i1 @orderedLessZeroMinNum(float, float) {
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; CHECK-LABEL: @orderedLessZeroMinNum(
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; CHECK-NEXT: ret i1 true
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;
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%a = call float @llvm.exp.f32(float %0)
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%b = call float @llvm.fabs.f32(float %1)
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%c = call float @llvm.minnum.f32(float %a, float %b)
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%uge = fcmp uge float %c, 0.000000e+00
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ret i1 %uge
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}
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; PR37776: https://bugs.llvm.org/show_bug.cgi?id=37776
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; exp() may return nan, leaving %1 as the unknown result, so we can't simplify.
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define i1 @orderedLessZeroMaxNum(float, float) {
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; CHECK-LABEL: @orderedLessZeroMaxNum(
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; CHECK-NEXT: [[A:%.*]] = call float @llvm.exp.f32(float [[TMP0:%.*]])
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; CHECK-NEXT: [[B:%.*]] = call float @llvm.maxnum.f32(float [[A]], float [[TMP1:%.*]])
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; CHECK-NEXT: [[UGE:%.*]] = fcmp uge float [[B]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[UGE]]
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;
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%a = call float @llvm.exp.f32(float %0)
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%b = call float @llvm.maxnum.f32(float %a, float %1)
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%uge = fcmp uge float %b, 0.000000e+00
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ret i1 %uge
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}
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; But using maximum, we can simplify, since the NaN would be propagated
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define i1 @orderedLessZeroMaximum(float, float) {
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; CHECK-LABEL: @orderedLessZeroMaximum(
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; CHECK-NEXT: ret i1 true
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;
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%a = call float @llvm.exp.f32(float %0)
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%b = call float @llvm.maximum.f32(float %a, float %1)
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%uge = fcmp uge float %b, 0.000000e+00
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ret i1 %uge
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}
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define i1 @known_positive_olt_with_negative_constant(double %a) {
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; CHECK-LABEL: @known_positive_olt_with_negative_constant(
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; CHECK-NEXT: ret i1 false
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;
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%call = call double @llvm.fabs.f64(double %a)
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%cmp = fcmp olt double %call, -1.0
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ret i1 %cmp
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}
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define <2 x i1> @known_positive_ole_with_negative_constant_splat_vec(<2 x i32> %a) {
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; CHECK-LABEL: @known_positive_ole_with_negative_constant_splat_vec(
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; CHECK-NEXT: ret <2 x i1> zeroinitializer
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;
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%call = uitofp <2 x i32> %a to <2 x double>
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%cmp = fcmp ole <2 x double> %call, <double -2.0, double -2.0>
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ret <2 x i1> %cmp
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}
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define i1 @known_positive_ugt_with_negative_constant(i32 %a) {
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; CHECK-LABEL: @known_positive_ugt_with_negative_constant(
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; CHECK-NEXT: ret i1 true
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;
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%call = uitofp i32 %a to float
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%cmp = fcmp ugt float %call, -3.0
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ret i1 %cmp
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}
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define <2 x i1> @known_positive_uge_with_negative_constant_splat_vec(<2 x float> %a) {
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; CHECK-LABEL: @known_positive_uge_with_negative_constant_splat_vec(
|
|
; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
|
|
;
|
|
%call = call <2 x float> @llvm.fabs.v2f32(<2 x float> %a)
|
|
%cmp = fcmp uge <2 x float> %call, <float -4.0, float -4.0>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
define i1 @known_positive_oeq_with_negative_constant(half %a) {
|
|
; CHECK-LABEL: @known_positive_oeq_with_negative_constant(
|
|
; CHECK-NEXT: ret i1 false
|
|
;
|
|
%call = call half @llvm.fabs.f16(half %a)
|
|
%cmp = fcmp oeq half %call, -5.0
|
|
ret i1 %cmp
|
|
}
|
|
|
|
define <2 x i1> @known_positive_une_with_negative_constant_splat_vec(<2 x i32> %a) {
|
|
; CHECK-LABEL: @known_positive_une_with_negative_constant_splat_vec(
|
|
; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
|
|
;
|
|
%call = uitofp <2 x i32> %a to <2 x half>
|
|
%cmp = fcmp une <2 x half> %call, <half -6.0, half -6.0>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
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
|
|
}
|
|
|
|
define <2 x i1> @orderedCompareWithNaNVector_undef_elt(<2 x double> %A) {
|
|
; CHECK-LABEL: @orderedCompareWithNaNVector_undef_elt(
|
|
; CHECK-NEXT: ret <2 x i1> zeroinitializer
|
|
;
|
|
%cmp = fcmp olt <2 x double> %A, <double 0xFFFFFFFFFFFFFFFF, double undef>
|
|
ret <2 x i1> %cmp
|
|
}
|
|
|
|
define <2 x i1> @unorderedCompareWithNaNVector_undef_elt(<2 x double> %A) {
|
|
; CHECK-LABEL: @unorderedCompareWithNaNVector_undef_elt(
|
|
; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
|
|
;
|
|
%cmp = fcmp ult <2 x double> %A, <double undef, double 0xFFFFFFFFFFFFFFFF>
|
|
ret <2 x i1> %cmp
|
|
}
|