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[InstSimplify] add more tests for FP undef; NFC
llvm-svn: 327012
This commit is contained in:
Sanjay Patel
parent
c8cf85ab7e
commit
4a6c633e20
@ -87,3 +87,379 @@ define float @frem_undef_op1(float %x) {
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ret float %r
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}
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; Repeat all tests with fast-math-flags. Alternate 'nnan' and 'fast' for more coverage.
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define float @fadd_undef_op0_nnan(float %x) {
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; CHECK-LABEL: @fadd_undef_op0_nnan(
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; CHECK-NEXT: [[R:%.*]] = fadd nnan float undef, [[X:%.*]]
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; CHECK-NEXT: ret float [[R]]
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;
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%r = fadd nnan float undef, %x
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ret float %r
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}
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define float @fadd_undef_op1_fast(float %x) {
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; CHECK-LABEL: @fadd_undef_op1_fast(
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; CHECK-NEXT: [[R:%.*]] = fadd fast float [[X:%.*]], undef
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; CHECK-NEXT: ret float [[R]]
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;
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%r = fadd fast float %x, undef
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ret float %r
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}
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define float @fsub_undef_op0_fast(float %x) {
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; CHECK-LABEL: @fsub_undef_op0_fast(
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; CHECK-NEXT: [[R:%.*]] = fsub fast float undef, [[X:%.*]]
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; CHECK-NEXT: ret float [[R]]
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;
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%r = fsub fast float undef, %x
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ret float %r
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}
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define float @fsub_undef_op1_nnan(float %x) {
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; CHECK-LABEL: @fsub_undef_op1_nnan(
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; CHECK-NEXT: [[R:%.*]] = fsub nnan float [[X:%.*]], undef
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; CHECK-NEXT: ret float [[R]]
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;
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%r = fsub nnan float %x, undef
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ret float %r
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}
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define float @fmul_undef_op0_nnan(float %x) {
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; CHECK-LABEL: @fmul_undef_op0_nnan(
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; CHECK-NEXT: [[R:%.*]] = fmul nnan float undef, [[X:%.*]]
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; CHECK-NEXT: ret float [[R]]
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;
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%r = fmul nnan float undef, %x
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ret float %r
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}
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define float @fmul_undef_op1_fast(float %x) {
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; CHECK-LABEL: @fmul_undef_op1_fast(
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; CHECK-NEXT: [[R:%.*]] = fmul fast float [[X:%.*]], undef
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; CHECK-NEXT: ret float [[R]]
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;
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%r = fmul fast float %x, undef
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ret float %r
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}
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define float @fdiv_undef_op0_fast(float %x) {
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; CHECK-LABEL: @fdiv_undef_op0_fast(
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; CHECK-NEXT: ret float undef
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;
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%r = fdiv fast float undef, %x
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ret float %r
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}
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define float @fdiv_undef_op1_nnan(float %x) {
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; CHECK-LABEL: @fdiv_undef_op1_nnan(
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; CHECK-NEXT: ret float undef
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;
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%r = fdiv nnan float %x, undef
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ret float %r
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}
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define float @frem_undef_op0_nnan(float %x) {
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; CHECK-LABEL: @frem_undef_op0_nnan(
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; CHECK-NEXT: ret float undef
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;
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%r = frem nnan float undef, %x
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ret float %r
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}
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define float @frem_undef_op1_fast(float %x) {
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; CHECK-LABEL: @frem_undef_op1_fast(
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; CHECK-NEXT: ret float undef
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;
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%r = frem fast float %x, undef
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ret float %r
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}
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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 fadd (double undef, 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 fsub (double undef, 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 fmul (double undef, 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 fdiv (double undef, 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 frem (double undef, 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 fadd (float undef, float 1.000000e+00)
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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 fadd (float 2.000000e+00, float undef)
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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 fsub (float undef, float 3.000000e+00)
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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 fsub (float 4.000000e+00, float undef)
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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 fmul (float undef, float 5.000000e+00)
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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 fmul (float 6.000000e+00, float undef)
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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 fdiv (float undef, float 7.000000e+00)
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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 fdiv (float 8.000000e+00, float undef)
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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 frem (float undef, float 9.000000e+00)
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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 frem (float 1.000000e+01, float undef)
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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: 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 fadd (double undef, 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 fadd (double 0xFFF0000000000001, double undef)
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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 fsub (double undef, double 0xFFF8000000000010)
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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 fsub (double 0x7FF0000000000011, double undef)
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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 fmul (double undef, double 0x7FF8000000000100)
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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 fmul (double 0xFFF0000000000101, double undef)
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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 fdiv (double undef, double 0xFFF8000000000110)
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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 fdiv (double 0x7FF0000000000111, double undef)
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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 frem (double undef, double 0x7FF8000000001000)
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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 frem (double 0xFFF0000000001001, double undef)
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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 fadd (double undef, double 0x7FF0000000000000)
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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 fadd (double 0xFFF0000000000000, double undef)
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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 fsub (double undef, double 0xFFF8000000000000)
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;
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%r = fsub double undef, 0xFFF8000000000000
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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 fsub (double 0x7FF0000000000000, double undef)
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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 fmul (double undef, double 0x7FF8000000000000)
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;
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%r = fmul double undef, 0x7FF8000000000000
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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 fmul (double 0xFFF0000000000000, double undef)
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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 fdiv (double undef, double 0xFFF8000000000000)
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;
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%r = fdiv double undef, 0xFFF8000000000000
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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 fdiv (double 0x7FF0000000000000, double undef)
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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 frem (double undef, double 0x7FF8000000000000)
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;
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%r = frem double undef, 0x7FF8000000000000
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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 frem (double 0xFFF0000000000000, double undef)
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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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