forked from OSchip/llvm-project
[InstCombine] add fast-math-flags for better test coverage; NFC
In all cases, we currently unintentionally drop the FMF on the new select.
This commit is contained in:
Sanjay Patel
parent
3842b94c4e
commit
1b57f0213f
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@ -2,139 +2,139 @@
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; RUN: opt -S -instcombine < %s | FileCheck %s
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define float @select_max_ugt(float %a, float %b) {
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; CHECK-LABEL: @select_max_ugt(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp ole float [[A:%.*]], [[B:%.*]]
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; CHECK-LABEL: define {{[^@]+}}@select_max_ugt(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp arcp ole float [[A:%.*]], [[B:%.*]]
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP_INV]], float [[B]], float [[A]]
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; CHECK-NEXT: ret float [[SEL]]
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;
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%cmp = fcmp ugt float %a, %b
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%sel = select i1 %cmp, float %a, float %b
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%cmp = fcmp arcp ugt float %a, %b
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%sel = select arcp i1 %cmp, float %a, float %b
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ret float %sel
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}
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define float @select_max_uge(float %a, float %b) {
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; CHECK-LABEL: @select_max_uge(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp olt float [[A:%.*]], [[B:%.*]]
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; CHECK-LABEL: define {{[^@]+}}@select_max_uge(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp nnan olt float [[A:%.*]], [[B:%.*]]
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP_INV]], float [[B]], float [[A]]
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; CHECK-NEXT: ret float [[SEL]]
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;
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%cmp = fcmp uge float %a, %b
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%sel = select i1 %cmp, float %a, float %b
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%cmp = fcmp nnan uge float %a, %b
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%sel = select ninf i1 %cmp, float %a, float %b
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ret float %sel
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}
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define float @select_min_ugt(float %a, float %b) {
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; CHECK-LABEL: @select_min_ugt(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp ole float [[A:%.*]], [[B:%.*]]
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; CHECK-LABEL: define {{[^@]+}}@select_min_ugt(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp fast ole float [[A:%.*]], [[B:%.*]]
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP_INV]], float [[A]], float [[B]]
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; CHECK-NEXT: ret float [[SEL]]
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;
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%cmp = fcmp ugt float %a, %b
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%sel = select i1 %cmp, float %b, float %a
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%cmp = fcmp fast ugt float %a, %b
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%sel = select reassoc i1 %cmp, float %b, float %a
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ret float %sel
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}
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define float @select_min_uge(float %a, float %b) {
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; CHECK-LABEL: @select_min_uge(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp olt float [[A:%.*]], [[B:%.*]]
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; CHECK-LABEL: define {{[^@]+}}@select_min_uge(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp nsz olt float [[A:%.*]], [[B:%.*]]
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP_INV]], float [[A]], float [[B]]
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; CHECK-NEXT: ret float [[SEL]]
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;
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%cmp = fcmp uge float %a, %b
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%sel = select i1 %cmp, float %b, float %a
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%cmp = fcmp nsz uge float %a, %b
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%sel = select fast i1 %cmp, float %b, float %a
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ret float %sel
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}
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define float @select_max_ult(float %a, float %b) {
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; CHECK-LABEL: @select_max_ult(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp oge float [[A:%.*]], [[B:%.*]]
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; CHECK-LABEL: define {{[^@]+}}@select_max_ult(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp arcp oge float [[A:%.*]], [[B:%.*]]
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP_INV]], float [[A]], float [[B]]
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; CHECK-NEXT: ret float [[SEL]]
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;
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%cmp = fcmp ult float %a, %b
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%sel = select i1 %cmp, float %b, float %a
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%cmp = fcmp arcp ult float %a, %b
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%sel = select ninf nnan i1 %cmp, float %b, float %a
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ret float %sel
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}
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define float @select_max_ule(float %a, float %b) {
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; CHECK-LABEL: @select_max_ule(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp ogt float [[A:%.*]], [[B:%.*]]
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; CHECK-LABEL: define {{[^@]+}}@select_max_ule(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp fast ogt float [[A:%.*]], [[B:%.*]]
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP_INV]], float [[A]], float [[B]]
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; CHECK-NEXT: ret float [[SEL]]
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;
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%cmp = fcmp ule float %a, %b
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%sel = select i1 %cmp, float %b, float %a
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%cmp = fcmp fast ule float %a, %b
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%sel = select nsz i1 %cmp, float %b, float %a
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ret float %sel
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}
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define float @select_min_ult(float %a, float %b) {
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; CHECK-LABEL: @select_min_ult(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp oge float [[A:%.*]], [[B:%.*]]
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; CHECK-LABEL: define {{[^@]+}}@select_min_ult(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp nsz oge float [[A:%.*]], [[B:%.*]]
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP_INV]], float [[B]], float [[A]]
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; CHECK-NEXT: ret float [[SEL]]
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;
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%cmp = fcmp ult float %a, %b
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%sel = select i1 %cmp, float %a, float %b
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%cmp = fcmp nsz ult float %a, %b
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%sel = select fast i1 %cmp, float %a, float %b
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ret float %sel
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}
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define float @select_min_ule(float %a, float %b) {
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; CHECK-LABEL: @select_min_ule(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp ogt float [[A:%.*]], [[B:%.*]]
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; CHECK-LABEL: define {{[^@]+}}@select_min_ule(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp arcp ogt float [[A:%.*]], [[B:%.*]]
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP_INV]], float [[B]], float [[A]]
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; CHECK-NEXT: ret float [[SEL]]
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;
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%cmp = fcmp ule float %a, %b
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%sel = select i1 %cmp, float %a, float %b
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%cmp = fcmp arcp ule float %a, %b
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%sel = select ninf i1 %cmp, float %a, float %b
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ret float %sel
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}
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define float @select_fcmp_une(float %a, float %b) {
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; CHECK-LABEL: @select_fcmp_une(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp oeq float [[A:%.*]], [[B:%.*]]
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; CHECK-LABEL: define {{[^@]+}}@select_fcmp_une(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp reassoc oeq float [[A:%.*]], [[B:%.*]]
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP_INV]], float [[B]], float [[A]]
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; CHECK-NEXT: ret float [[SEL]]
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;
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%cmp = fcmp une float %a, %b
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%sel = select i1 %cmp, float %a, float %b
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%cmp = fcmp reassoc une float %a, %b
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%sel = select nnan i1 %cmp, float %a, float %b
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ret float %sel
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}
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define float @select_fcmp_ueq(float %a, float %b) {
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; CHECK-LABEL: @select_fcmp_ueq(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp one float [[A:%.*]], [[B:%.*]]
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; CHECK-LABEL: define {{[^@]+}}@select_fcmp_ueq(
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; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp reassoc one float [[A:%.*]], [[B:%.*]]
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP_INV]], float [[B]], float [[A]]
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; CHECK-NEXT: ret float [[SEL]]
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;
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%cmp = fcmp ueq float %a, %b
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%sel = select i1 %cmp, float %a, float %b
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%cmp = fcmp reassoc ueq float %a, %b
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%sel = select arcp nnan i1 %cmp, float %a, float %b
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ret float %sel
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}
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declare void @foo(i1)
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define float @select_max_ugt_2_use_cmp(float %a, float %b) {
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; CHECK-LABEL: @select_max_ugt_2_use_cmp(
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; CHECK-NEXT: [[CMP:%.*]] = fcmp ugt float [[A:%.*]], [[B:%.*]]
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; CHECK-LABEL: define {{[^@]+}}@select_max_ugt_2_use_cmp(
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; CHECK-NEXT: [[CMP:%.*]] = fcmp reassoc ugt float [[A:%.*]], [[B:%.*]]
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; CHECK-NEXT: call void @foo(i1 [[CMP]])
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP]], float [[A]], float [[B]]
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; CHECK-NEXT: [[SEL:%.*]] = select fast i1 [[CMP]], float [[A]], float [[B]]
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; CHECK-NEXT: ret float [[SEL]]
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;
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%cmp = fcmp ugt float %a, %b
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%cmp = fcmp reassoc ugt float %a, %b
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call void @foo(i1 %cmp)
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%sel = select i1 %cmp, float %a, float %b
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%sel = select fast i1 %cmp, float %a, float %b
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ret float %sel
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}
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define float @select_min_uge_2_use_cmp(float %a, float %b) {
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; CHECK-LABEL: @select_min_uge_2_use_cmp(
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; CHECK-NEXT: [[CMP:%.*]] = fcmp uge float [[A:%.*]], [[B:%.*]]
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; CHECK-LABEL: define {{[^@]+}}@select_min_uge_2_use_cmp(
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; CHECK-NEXT: [[CMP:%.*]] = fcmp ninf uge float [[A:%.*]], [[B:%.*]]
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; CHECK-NEXT: call void @foo(i1 [[CMP]])
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; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP]], float [[B]], float [[A]]
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; CHECK-NEXT: [[SEL:%.*]] = select nsz i1 [[CMP]], float [[B]], float [[A]]
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; CHECK-NEXT: ret float [[SEL]]
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;
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%cmp = fcmp uge float %a, %b
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%cmp = fcmp ninf uge float %a, %b
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call void @foo(i1 %cmp)
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%sel = select i1 %cmp, float %b, float %a
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%sel = select nsz i1 %cmp, float %b, float %a
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ret float %sel
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}
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