f74a334fe3
The output here may not be optimal (yet), but it should be consistent for commuted operands (it was not before) and correct. We can do better by checking FMF and NaN if needed. Code in InstSimplify generally assumes that we have already folded code like this, so it was not handling 2 constant inputs by commuting consistently.
604 lines
17 KiB
LLVM
604 lines
17 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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declare <2 x double> @llvm.minnum.v2f64(<2 x double>, <2 x double>)
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declare <2 x double> @llvm.maxnum.v2f64(<2 x double>, <2 x double>)
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declare <2 x double> @llvm.minimum.v2f64(<2 x double>, <2 x double>)
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declare <2 x double> @llvm.maximum.v2f64(<2 x double>, <2 x double>)
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; Constant folding - undef undef.
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define double @fadd_undef_undef(double %x) {
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; CHECK-LABEL: @fadd_undef_undef(
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; CHECK-NEXT: ret double undef
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;
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%r = fadd double undef, undef
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ret double %r
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}
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define double @fsub_undef_undef(double %x) {
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; CHECK-LABEL: @fsub_undef_undef(
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; CHECK-NEXT: ret double undef
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;
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%r = fsub double undef, undef
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ret double %r
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}
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define double @fmul_undef_undef(double %x) {
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; CHECK-LABEL: @fmul_undef_undef(
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; CHECK-NEXT: ret double undef
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;
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%r = fmul double undef, undef
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ret double %r
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}
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define double @fdiv_undef_undef(double %x) {
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; CHECK-LABEL: @fdiv_undef_undef(
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; CHECK-NEXT: ret double undef
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;
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%r = fdiv double undef, undef
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ret double %r
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}
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define double @frem_undef_undef(double %x) {
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; CHECK-LABEL: @frem_undef_undef(
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; CHECK-NEXT: ret double undef
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;
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%r = frem double undef, undef
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ret double %r
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}
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; Constant folding.
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define float @fadd_undef_op0_nnan_constant(float %x) {
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; CHECK-LABEL: @fadd_undef_op0_nnan_constant(
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; CHECK-NEXT: ret float 0x7FF8000000000000
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;
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%r = fadd nnan float undef, 1.0
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ret float %r
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}
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define float @fadd_undef_op1_constant(float %x) {
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; CHECK-LABEL: @fadd_undef_op1_constant(
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; CHECK-NEXT: ret float 0x7FF8000000000000
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;
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%r = fadd float 2.0, undef
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ret float %r
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}
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define float @fsub_undef_op0_fast_constant(float %x) {
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; CHECK-LABEL: @fsub_undef_op0_fast_constant(
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; CHECK-NEXT: ret float 0x7FF8000000000000
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;
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%r = fsub fast float undef, 3.0
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ret float %r
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}
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define float @fsub_undef_op1_constant(float %x) {
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; CHECK-LABEL: @fsub_undef_op1_constant(
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; CHECK-NEXT: ret float 0x7FF8000000000000
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;
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%r = fsub float 4.0, undef
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ret float %r
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}
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define float @fmul_undef_op0_nnan_constant(float %x) {
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; CHECK-LABEL: @fmul_undef_op0_nnan_constant(
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; CHECK-NEXT: ret float 0x7FF8000000000000
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;
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%r = fmul nnan float undef, 5.0
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ret float %r
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}
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define float @fmul_undef_op1_constant(float %x) {
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; CHECK-LABEL: @fmul_undef_op1_constant(
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; CHECK-NEXT: ret float 0x7FF8000000000000
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;
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%r = fmul float 6.0, undef
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ret float %r
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}
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define float @fdiv_undef_op0_fast_constant(float %x) {
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; CHECK-LABEL: @fdiv_undef_op0_fast_constant(
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; CHECK-NEXT: ret float 0x7FF8000000000000
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;
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%r = fdiv fast float undef, 7.0
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ret float %r
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}
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define float @fdiv_undef_op1_constant(float %x) {
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; CHECK-LABEL: @fdiv_undef_op1_constant(
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; CHECK-NEXT: ret float 0x7FF8000000000000
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;
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%r = fdiv float 8.0, undef
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ret float %r
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}
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define float @frem_undef_op0_nnan_constant(float %x) {
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; CHECK-LABEL: @frem_undef_op0_nnan_constant(
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; CHECK-NEXT: ret float 0x7FF8000000000000
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;
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%r = frem nnan float undef, 9.0
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ret float %r
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}
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define float @frem_undef_op1_constant(float %x) {
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; CHECK-LABEL: @frem_undef_op1_constant(
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; CHECK-NEXT: ret float 0x7FF8000000000000
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;
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%r = frem float 10.0, undef
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ret float %r
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}
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; Constant folding - special constants: 0.0.
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define double @fadd_undef_op0_constant_0(double %x) {
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; CHECK-LABEL: @fadd_undef_op0_constant_0(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fadd double undef, 0x0000000000000000
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ret double %r
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}
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define double @fadd_undef_op1_constant_0(double %x) {
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; CHECK-LABEL: @fadd_undef_op1_constant_0(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fadd double 0x0000000000000000, undef
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ret double %r
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}
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define double @fsub_undef_op0_constant_0(double %x) {
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; CHECK-LABEL: @fsub_undef_op0_constant_0(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fsub double undef, 0x0000000000000000
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ret double %r
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}
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define double @fsub_undef_op1_constant_0(double %x) {
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; CHECK-LABEL: @fsub_undef_op1_constant_0(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fsub double 0x0000000000000000, undef
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ret double %r
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}
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define double @fmul_undef_op0_constant_0(double %x) {
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; CHECK-LABEL: @fmul_undef_op0_constant_0(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fmul double undef, 0x0000000000000000
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ret double %r
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}
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define double @fmul_undef_op1_constant_0(double %x) {
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; CHECK-LABEL: @fmul_undef_op1_constant_0(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fmul double 0x0000000000000000, undef
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ret double %r
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}
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define double @fdiv_undef_op0_constant_0(double %x) {
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; CHECK-LABEL: @fdiv_undef_op0_constant_0(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fdiv double undef, 0x0000000000000000
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ret double %r
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}
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define double @fdiv_undef_op1_constant_0(double %x) {
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; CHECK-LABEL: @fdiv_undef_op1_constant_0(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fdiv double 0x0000000000000000, undef
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ret double %r
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}
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define double @frem_undef_op0_constant_0(double %x) {
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; CHECK-LABEL: @frem_undef_op0_constant_0(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = frem double undef, 0x0000000000000000
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ret double %r
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}
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define double @frem_undef_op1_constant_0(double %x) {
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; CHECK-LABEL: @frem_undef_op1_constant_0(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = frem double 0x0000000000000000, undef
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ret double %r
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}
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; Constant folding - special constants: -0.0.
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define double @fadd_undef_op0_constant_neg0(double %x) {
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; CHECK-LABEL: @fadd_undef_op0_constant_neg0(
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; CHECK-NEXT: ret double undef
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;
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%r = fadd double undef, 0x8000000000000000
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ret double %r
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}
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define double @fadd_undef_op1_constant_neg0(double %x) {
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; CHECK-LABEL: @fadd_undef_op1_constant_neg0(
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; CHECK-NEXT: ret double undef
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;
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%r = fadd double 0x8000000000000000, undef
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ret double %r
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}
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define double @fsub_undef_op0_constant_neg0(double %x) {
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; CHECK-LABEL: @fsub_undef_op0_constant_neg0(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fsub double undef, 0x8000000000000000
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ret double %r
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}
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define double @fsub_undef_op1_constant_neg0(double %x) {
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; CHECK-LABEL: @fsub_undef_op1_constant_neg0(
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; CHECK-NEXT: ret double undef
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;
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%r = fsub double 0x8000000000000000, undef
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ret double %r
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}
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define double @fmul_undef_op0_constant_neg0(double %x) {
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; CHECK-LABEL: @fmul_undef_op0_constant_neg0(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fmul double undef, 0x8000000000000000
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ret double %r
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}
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define double @fmul_undef_op1_constant_neg0(double %x) {
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; CHECK-LABEL: @fmul_undef_op1_constant_neg0(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fmul double 0x8000000000000000, undef
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ret double %r
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}
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define double @fdiv_undef_op0_constant_neg0(double %x) {
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; CHECK-LABEL: @fdiv_undef_op0_constant_neg0(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fdiv double undef, 0x8000000000000000
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ret double %r
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}
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define double @fdiv_undef_op1_constant_neg0(double %x) {
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; CHECK-LABEL: @fdiv_undef_op1_constant_neg0(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fdiv double 0x8000000000000000, undef
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ret double %r
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}
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define double @frem_undef_op0_constant_neg0(double %x) {
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; CHECK-LABEL: @frem_undef_op0_constant_neg0(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = frem double undef, 0x8000000000000000
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ret double %r
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}
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define double @frem_undef_op1_constant_neg0(double %x) {
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; CHECK-LABEL: @frem_undef_op1_constant_neg0(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = frem double 0x8000000000000000, undef
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ret double %r
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}
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; Constant folding - special constants: NaN.
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define double @fadd_undef_op0_constant_nan(double %x) {
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; CHECK-LABEL: @fadd_undef_op0_constant_nan(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fadd double undef, 0x7FF8000000000000
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ret double %r
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}
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define double @fadd_undef_op1_fast_constant_nan(double %x) {
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; CHECK-LABEL: @fadd_undef_op1_fast_constant_nan(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fadd fast double 0xFFF0000000000001, undef
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ret double %r
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}
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define double @fsub_undef_op0_constant_nan(double %x) {
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; CHECK-LABEL: @fsub_undef_op0_constant_nan(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fsub double undef, 0xFFF8000000000010
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ret double %r
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}
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define double @fsub_undef_op1_nnan_constant_nan(double %x) {
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; CHECK-LABEL: @fsub_undef_op1_nnan_constant_nan(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fsub nnan double 0x7FF0000000000011, undef
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ret double %r
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}
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define double @fmul_undef_op0_constant_nan(double %x) {
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; CHECK-LABEL: @fmul_undef_op0_constant_nan(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fmul double undef, 0x7FF8000000000100
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ret double %r
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}
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define double @fmul_undef_op1_fast_constant_nan(double %x) {
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; CHECK-LABEL: @fmul_undef_op1_fast_constant_nan(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fmul fast double 0xFFF0000000000101, undef
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ret double %r
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}
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define double @fdiv_undef_op0_constant_nan(double %x) {
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; CHECK-LABEL: @fdiv_undef_op0_constant_nan(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fdiv double undef, 0xFFF8000000000110
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ret double %r
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}
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define double @fdiv_undef_op1_nnan_constant_nan(double %x) {
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; CHECK-LABEL: @fdiv_undef_op1_nnan_constant_nan(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fdiv nnan double 0x7FF0000000000111, undef
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ret double %r
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}
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define double @frem_undef_op0_constant_nan(double %x) {
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; CHECK-LABEL: @frem_undef_op0_constant_nan(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = frem double undef, 0x7FF8000000001000
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ret double %r
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}
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define double @frem_undef_op1_fast_constant_nan(double %x) {
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; CHECK-LABEL: @frem_undef_op1_fast_constant_nan(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = frem fast double 0xFFF0000000001001, undef
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ret double %r
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}
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; Constant folding - special constants: Inf.
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define double @fadd_undef_op0_constant_inf(double %x) {
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; CHECK-LABEL: @fadd_undef_op0_constant_inf(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fadd double undef, 0x7FF0000000000000
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ret double %r
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}
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define double @fadd_undef_op1_fast_constant_inf(double %x) {
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; CHECK-LABEL: @fadd_undef_op1_fast_constant_inf(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fadd fast double 0xFFF0000000000000, undef
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ret double %r
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}
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define double @fsub_undef_op0_constant_inf(double %x) {
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; CHECK-LABEL: @fsub_undef_op0_constant_inf(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fsub double undef, 0xFFF0000000000000
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ret double %r
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}
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define double @fsub_undef_op1_ninf_constant_inf(double %x) {
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; CHECK-LABEL: @fsub_undef_op1_ninf_constant_inf(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fsub ninf double 0x7FF0000000000000, undef
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ret double %r
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}
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define double @fmul_undef_op0_constant_inf(double %x) {
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; CHECK-LABEL: @fmul_undef_op0_constant_inf(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fmul double undef, 0x7FF0000000000000
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ret double %r
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}
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define double @fmul_undef_op1_fast_constant_inf(double %x) {
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; CHECK-LABEL: @fmul_undef_op1_fast_constant_inf(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fmul fast double 0xFFF0000000000000, undef
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ret double %r
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}
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define double @fdiv_undef_op0_constant_inf(double %x) {
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; CHECK-LABEL: @fdiv_undef_op0_constant_inf(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fdiv double undef, 0xFFF0000000000000
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ret double %r
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}
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define double @fdiv_undef_op1_ninf_constant_inf(double %x) {
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; CHECK-LABEL: @fdiv_undef_op1_ninf_constant_inf(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = fdiv ninf double 0x7FF0000000000000, undef
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ret double %r
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}
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define double @frem_undef_op0_constant_inf(double %x) {
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; CHECK-LABEL: @frem_undef_op0_constant_inf(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = frem double undef, 0x7FF0000000000000
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ret double %r
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}
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define double @frem_undef_op1_fast_constant_inf(double %x) {
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; CHECK-LABEL: @frem_undef_op1_fast_constant_inf(
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; CHECK-NEXT: ret double 0x7FF8000000000000
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;
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%r = frem fast double 0xFFF0000000000000, undef
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ret double %r
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}
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define <2 x double> @fadd_undef_op1_constant_vec(<2 x double> %x) {
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; CHECK-LABEL: @fadd_undef_op1_constant_vec(
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; CHECK-NEXT: ret <2 x double> <double 0x7FF8000000000000, double undef>
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;
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%r = fadd <2 x double> <double 42.0, double undef>, undef
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ret <2 x double> %r
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}
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define <2 x double> @fadd_undef_op0_constant_vec(<2 x double> %x) {
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; CHECK-LABEL: @fadd_undef_op0_constant_vec(
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; CHECK-NEXT: ret <2 x double> <double undef, double 0x7FF8000000000000>
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;
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%r = fadd <2 x double> undef, <double undef, double 42.0>
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ret <2 x double> %r
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}
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define <2 x double> @fsub_undef_op1_constant_vec(<2 x double> %x) {
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; CHECK-LABEL: @fsub_undef_op1_constant_vec(
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; CHECK-NEXT: ret <2 x double> <double undef, double 0x7FF8000000000000>
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;
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%r = fsub <2 x double> <double undef, double 42.0>, undef
|
|
ret <2 x double> %r
|
|
}
|
|
|
|
define <2 x double> @fsub_undef_op0_constant_vec(<2 x double> %x) {
|
|
; CHECK-LABEL: @fsub_undef_op0_constant_vec(
|
|
; CHECK-NEXT: ret <2 x double> <double 0x7FF8000000000000, double undef>
|
|
;
|
|
%r = fsub <2 x double> undef, <double 42.0, double undef>
|
|
ret <2 x double> %r
|
|
}
|
|
|
|
define <2 x double> @fmul_undef_op1_constant_vec(<2 x double> %x) {
|
|
; CHECK-LABEL: @fmul_undef_op1_constant_vec(
|
|
; CHECK-NEXT: ret <2 x double> <double 0x7FF8000000000000, double undef>
|
|
;
|
|
%r = fmul <2 x double> <double 42.0, double undef>, undef
|
|
ret <2 x double> %r
|
|
}
|
|
|
|
define <2 x double> @fmul_undef_op0_constant_vec(<2 x double> %x) {
|
|
; CHECK-LABEL: @fmul_undef_op0_constant_vec(
|
|
; CHECK-NEXT: ret <2 x double> <double undef, double 0x7FF8000000000000>
|
|
;
|
|
%r = fmul <2 x double> undef, <double undef, double 42.0>
|
|
ret <2 x double> %r
|
|
}
|
|
|
|
define <2 x double> @fdiv_undef_op1_constant_vec(<2 x double> %x) {
|
|
; CHECK-LABEL: @fdiv_undef_op1_constant_vec(
|
|
; CHECK-NEXT: ret <2 x double> <double 0x7FF8000000000000, double undef>
|
|
;
|
|
%r = fdiv <2 x double> <double 42.0, double undef>, undef
|
|
ret <2 x double> %r
|
|
}
|
|
|
|
define <2 x double> @fdiv_undef_op0_constant_vec(<2 x double> %x) {
|
|
; CHECK-LABEL: @fdiv_undef_op0_constant_vec(
|
|
; CHECK-NEXT: ret <2 x double> <double undef, double 0x7FF8000000000000>
|
|
;
|
|
%r = fdiv <2 x double> undef, <double undef, double 42.0>
|
|
ret <2 x double> %r
|
|
}
|
|
|
|
define <2 x double> @frem_undef_op1_constant_vec(<2 x double> %x) {
|
|
; CHECK-LABEL: @frem_undef_op1_constant_vec(
|
|
; CHECK-NEXT: ret <2 x double> <double undef, double 0x7FF8000000000000>
|
|
;
|
|
%r = frem <2 x double> <double undef, double 42.0>, undef
|
|
ret <2 x double> %r
|
|
}
|
|
|
|
define <2 x double> @frem_undef_op0_constant_vec(<2 x double> %x) {
|
|
; CHECK-LABEL: @frem_undef_op0_constant_vec(
|
|
; CHECK-NEXT: ret <2 x double> <double 0x7FF8000000000000, double undef>
|
|
;
|
|
%r = frem <2 x double> undef, <double 42.0, double undef>
|
|
ret <2 x double> %r
|
|
}
|
|
|
|
define <2 x double> @maximum_nan_op0_vec_partial_undef_op1_undef(<2 x double> %x) {
|
|
; CHECK-LABEL: @maximum_nan_op0_vec_partial_undef_op1_undef(
|
|
; CHECK-NEXT: ret <2 x double> <double 0x7FF8000000000000, double undef>
|
|
;
|
|
%r = call <2 x double> @llvm.maximum.v2f64(<2 x double> <double 0x7ff8000000000000, double undef>, <2 x double> undef)
|
|
ret <2 x double> %r
|
|
}
|
|
|
|
define <2 x double> @maximum_nan_op1_vec_partial_undef_op0_undef(<2 x double> %x) {
|
|
; CHECK-LABEL: @maximum_nan_op1_vec_partial_undef_op0_undef(
|
|
; CHECK-NEXT: ret <2 x double> <double 0x7FF8000000000000, double undef>
|
|
;
|
|
%r = call <2 x double> @llvm.maximum.v2f64(<2 x double> undef, <2 x double> <double 0x7ff8000000000000, double undef>)
|
|
ret <2 x double> %r
|
|
}
|
|
|
|
define <2 x double> @minimum_nan_op0_vec_partial_undef_op1_undef(<2 x double> %x) {
|
|
; CHECK-LABEL: @minimum_nan_op0_vec_partial_undef_op1_undef(
|
|
; CHECK-NEXT: ret <2 x double> <double 0x7FF8000000000000, double undef>
|
|
;
|
|
%r = call <2 x double> @llvm.minimum.v2f64(<2 x double> <double 0x7ff8000000000000, double undef>, <2 x double> undef)
|
|
ret <2 x double> %r
|
|
}
|
|
|
|
define <2 x double> @minimum_nan_op1_vec_partial_undef_op0_undef(<2 x double> %x) {
|
|
; CHECK-LABEL: @minimum_nan_op1_vec_partial_undef_op0_undef(
|
|
; CHECK-NEXT: ret <2 x double> <double 0x7FF8000000000000, double undef>
|
|
;
|
|
%r = call <2 x double> @llvm.minimum.v2f64(<2 x double> undef, <2 x double> <double 0x7ff8000000000000, double undef>)
|
|
ret <2 x double> %r
|
|
}
|
|
|
|
define <2 x double> @maxnum_nan_op0_vec_partial_undef_op1_undef(<2 x double> %x) {
|
|
; CHECK-LABEL: @maxnum_nan_op0_vec_partial_undef_op1_undef(
|
|
; CHECK-NEXT: ret <2 x double> <double 0x7FF8000000000000, double undef>
|
|
;
|
|
%r = call <2 x double> @llvm.maxnum.v2f64(<2 x double> <double 0x7ff8000000000000, double undef>, <2 x double> undef)
|
|
ret <2 x double> %r
|
|
}
|
|
|
|
define <2 x double> @maxnum_nan_op1_vec_partial_undef_op0_undef(<2 x double> %x) {
|
|
; CHECK-LABEL: @maxnum_nan_op1_vec_partial_undef_op0_undef(
|
|
; CHECK-NEXT: ret <2 x double> <double 0x7FF8000000000000, double undef>
|
|
;
|
|
%r = call <2 x double> @llvm.maxnum.v2f64(<2 x double> undef, <2 x double> <double 0x7ff8000000000000, double undef>)
|
|
ret <2 x double> %r
|
|
}
|
|
|
|
define <2 x double> @minnum_nan_op0_vec_partial_undef_op1_undef(<2 x double> %x) {
|
|
; CHECK-LABEL: @minnum_nan_op0_vec_partial_undef_op1_undef(
|
|
; CHECK-NEXT: ret <2 x double> <double 0x7FF8000000000000, double undef>
|
|
;
|
|
%r = call <2 x double> @llvm.minnum.v2f64(<2 x double> <double 0x7ff8000000000000, double undef>, <2 x double> undef)
|
|
ret <2 x double> %r
|
|
}
|
|
|
|
define <2 x double> @minnum_nan_op1_vec_partial_undef_op0_undef(<2 x double> %x) {
|
|
; CHECK-LABEL: @minnum_nan_op1_vec_partial_undef_op0_undef(
|
|
; CHECK-NEXT: ret <2 x double> <double 0x7FF8000000000000, double undef>
|
|
;
|
|
%r = call <2 x double> @llvm.minnum.v2f64(<2 x double> undef, <2 x double> <double 0x7ff8000000000000, double undef>)
|
|
ret <2 x double> %r
|
|
}
|