| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -instcombine < %s | FileCheck %s |
| |
| define float @select_max_ugt(float %a, float %b) { |
| ; CHECK-LABEL: define {{[^@]+}}@select_max_ugt( |
| ; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp arcp ole float [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = select arcp i1 [[CMP_INV]], float [[B]], float [[A]] |
| ; CHECK-NEXT: ret float [[TMP1]] |
| ; |
| %cmp = fcmp arcp ugt float %a, %b |
| %sel = select arcp i1 %cmp, float %a, float %b |
| ret float %sel |
| } |
| |
| define float @select_max_uge(float %a, float %b) { |
| ; CHECK-LABEL: define {{[^@]+}}@select_max_uge( |
| ; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp nnan olt float [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = select nnan i1 [[CMP_INV]], float [[B]], float [[A]] |
| ; CHECK-NEXT: ret float [[TMP1]] |
| ; |
| %cmp = fcmp nnan uge float %a, %b |
| %sel = select ninf i1 %cmp, float %a, float %b |
| ret float %sel |
| } |
| |
| define float @select_min_ugt(float %a, float %b) { |
| ; CHECK-LABEL: define {{[^@]+}}@select_min_ugt( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call fast float @llvm.minnum.f32(float [[A:%.*]], float [[B:%.*]]) |
| ; CHECK-NEXT: ret float [[TMP1]] |
| ; |
| %cmp = fcmp fast ugt float %a, %b |
| %sel = select reassoc i1 %cmp, float %b, float %a |
| ret float %sel |
| } |
| |
| define float @select_min_uge(float %a, float %b) { |
| ; CHECK-LABEL: define {{[^@]+}}@select_min_uge( |
| ; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp nsz olt float [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = select nsz i1 [[CMP_INV]], float [[A]], float [[B]] |
| ; CHECK-NEXT: ret float [[TMP1]] |
| ; |
| %cmp = fcmp nsz uge float %a, %b |
| %sel = select fast i1 %cmp, float %b, float %a |
| ret float %sel |
| } |
| |
| define float @select_max_ult(float %a, float %b) { |
| ; CHECK-LABEL: define {{[^@]+}}@select_max_ult( |
| ; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp arcp oge float [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = select arcp i1 [[CMP_INV]], float [[A]], float [[B]] |
| ; CHECK-NEXT: ret float [[TMP1]] |
| ; |
| %cmp = fcmp arcp ult float %a, %b |
| %sel = select ninf nnan i1 %cmp, float %b, float %a |
| ret float %sel |
| } |
| |
| define float @select_max_ule(float %a, float %b) { |
| ; CHECK-LABEL: define {{[^@]+}}@select_max_ule( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call fast float @llvm.maxnum.f32(float [[A:%.*]], float [[B:%.*]]) |
| ; CHECK-NEXT: ret float [[TMP1]] |
| ; |
| %cmp = fcmp fast ule float %a, %b |
| %sel = select nsz i1 %cmp, float %b, float %a |
| ret float %sel |
| } |
| |
| define float @select_min_ult(float %a, float %b) { |
| ; CHECK-LABEL: define {{[^@]+}}@select_min_ult( |
| ; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp nsz oge float [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = select nsz i1 [[CMP_INV]], float [[B]], float [[A]] |
| ; CHECK-NEXT: ret float [[TMP1]] |
| ; |
| %cmp = fcmp nsz ult float %a, %b |
| %sel = select fast i1 %cmp, float %a, float %b |
| ret float %sel |
| } |
| |
| define float @select_min_ule(float %a, float %b) { |
| ; CHECK-LABEL: define {{[^@]+}}@select_min_ule( |
| ; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp arcp ogt float [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = select arcp i1 [[CMP_INV]], float [[B]], float [[A]] |
| ; CHECK-NEXT: ret float [[TMP1]] |
| ; |
| %cmp = fcmp arcp ule float %a, %b |
| %sel = select ninf i1 %cmp, float %a, float %b |
| ret float %sel |
| } |
| |
| define float @select_fcmp_une(float %a, float %b) { |
| ; CHECK-LABEL: define {{[^@]+}}@select_fcmp_une( |
| ; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp reassoc oeq float [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = select reassoc i1 [[CMP_INV]], float [[B]], float [[A]] |
| ; CHECK-NEXT: ret float [[TMP1]] |
| ; |
| %cmp = fcmp reassoc une float %a, %b |
| %sel = select nnan i1 %cmp, float %a, float %b |
| ret float %sel |
| } |
| |
| define float @select_fcmp_ueq(float %a, float %b) { |
| ; CHECK-LABEL: define {{[^@]+}}@select_fcmp_ueq( |
| ; CHECK-NEXT: [[CMP_INV:%.*]] = fcmp reassoc one float [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = select reassoc i1 [[CMP_INV]], float [[B]], float [[A]] |
| ; CHECK-NEXT: ret float [[TMP1]] |
| ; |
| %cmp = fcmp reassoc ueq float %a, %b |
| %sel = select arcp nnan i1 %cmp, float %a, float %b |
| ret float %sel |
| } |
| |
| declare void @foo(i1) |
| |
| define float @select_max_ugt_2_use_cmp(float %a, float %b) { |
| ; CHECK-LABEL: define {{[^@]+}}@select_max_ugt_2_use_cmp( |
| ; CHECK-NEXT: [[CMP:%.*]] = fcmp reassoc ugt float [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: call void @foo(i1 [[CMP]]) |
| ; CHECK-NEXT: [[SEL:%.*]] = select fast i1 [[CMP]], float [[A]], float [[B]] |
| ; CHECK-NEXT: ret float [[SEL]] |
| ; |
| %cmp = fcmp reassoc ugt float %a, %b |
| call void @foo(i1 %cmp) |
| %sel = select fast i1 %cmp, float %a, float %b |
| ret float %sel |
| } |
| |
| define float @select_min_uge_2_use_cmp(float %a, float %b) { |
| ; CHECK-LABEL: define {{[^@]+}}@select_min_uge_2_use_cmp( |
| ; CHECK-NEXT: [[CMP:%.*]] = fcmp ninf uge float [[A:%.*]], [[B:%.*]] |
| ; CHECK-NEXT: call void @foo(i1 [[CMP]]) |
| ; CHECK-NEXT: [[SEL:%.*]] = select nsz i1 [[CMP]], float [[B]], float [[A]] |
| ; CHECK-NEXT: ret float [[SEL]] |
| ; |
| %cmp = fcmp ninf uge float %a, %b |
| call void @foo(i1 %cmp) |
| %sel = select nsz i1 %cmp, float %b, float %a |
| ret float %sel |
| } |