| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -passes=instcombine < %s | FileCheck %s |
| |
| define double @fdiv_sin_cos(double %a) { |
| ; CHECK-LABEL: @fdiv_sin_cos( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call double @llvm.sin.f64(double [[A:%.*]]) |
| ; CHECK-NEXT: [[TMP2:%.*]] = call double @llvm.cos.f64(double [[A]]) |
| ; CHECK-NEXT: [[DIV:%.*]] = fdiv double [[TMP1]], [[TMP2]] |
| ; CHECK-NEXT: ret double [[DIV]] |
| ; |
| %1 = call double @llvm.sin.f64(double %a) |
| %2 = call double @llvm.cos.f64(double %a) |
| %div = fdiv double %1, %2 |
| ret double %div |
| } |
| |
| define double @fdiv_strict_sin_strict_cos_reassoc(double %a) { |
| ; CHECK-LABEL: @fdiv_strict_sin_strict_cos_reassoc( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call double @llvm.sin.f64(double [[A:%.*]]) |
| ; CHECK-NEXT: [[TMP2:%.*]] = call reassoc double @llvm.cos.f64(double [[A]]) |
| ; CHECK-NEXT: [[DIV:%.*]] = fdiv double [[TMP1]], [[TMP2]] |
| ; CHECK-NEXT: ret double [[DIV]] |
| ; |
| %1 = call double @llvm.sin.f64(double %a) |
| %2 = call reassoc double @llvm.cos.f64(double %a) |
| %div = fdiv double %1, %2 |
| ret double %div |
| } |
| |
| define double @fdiv_reassoc_sin_strict_cos_strict(double %a, ptr dereferenceable(2) %dummy) { |
| ; CHECK-LABEL: @fdiv_reassoc_sin_strict_cos_strict( |
| ; CHECK-NEXT: [[TAN:%.*]] = call reassoc double @tan(double [[A:%.*]]) #[[ATTR1:[0-9]+]] |
| ; CHECK-NEXT: ret double [[TAN]] |
| ; |
| %1 = call double @llvm.sin.f64(double %a) |
| %2 = call double @llvm.cos.f64(double %a) |
| %div = fdiv reassoc double %1, %2 |
| ret double %div |
| } |
| |
| define double @fdiv_reassoc_sin_reassoc_cos_strict(double %a) { |
| ; CHECK-LABEL: @fdiv_reassoc_sin_reassoc_cos_strict( |
| ; CHECK-NEXT: [[TAN:%.*]] = call reassoc double @tan(double [[A:%.*]]) #[[ATTR1]] |
| ; CHECK-NEXT: ret double [[TAN]] |
| ; |
| %1 = call reassoc double @llvm.sin.f64(double %a) |
| %2 = call double @llvm.cos.f64(double %a) |
| %div = fdiv reassoc double %1, %2 |
| ret double %div |
| } |
| |
| define double @fdiv_sin_cos_reassoc_multiple_uses(double %a) { |
| ; CHECK-LABEL: @fdiv_sin_cos_reassoc_multiple_uses( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call reassoc double @llvm.sin.f64(double [[A:%.*]]) |
| ; CHECK-NEXT: [[TMP2:%.*]] = call reassoc double @llvm.cos.f64(double [[A]]) |
| ; CHECK-NEXT: [[DIV:%.*]] = fdiv reassoc double [[TMP1]], [[TMP2]] |
| ; CHECK-NEXT: call void @use(double [[TMP2]]) |
| ; CHECK-NEXT: ret double [[DIV]] |
| ; |
| %1 = call reassoc double @llvm.sin.f64(double %a) |
| %2 = call reassoc double @llvm.cos.f64(double %a) |
| %div = fdiv reassoc double %1, %2 |
| call void @use(double %2) |
| ret double %div |
| } |
| |
| define double @fdiv_sin_cos_reassoc(double %a) { |
| ; CHECK-LABEL: @fdiv_sin_cos_reassoc( |
| ; CHECK-NEXT: [[TAN:%.*]] = call reassoc double @tan(double [[A:%.*]]) #[[ATTR1]] |
| ; CHECK-NEXT: ret double [[TAN]] |
| ; |
| %1 = call reassoc double @llvm.sin.f64(double %a) |
| %2 = call reassoc double @llvm.cos.f64(double %a) |
| %div = fdiv reassoc double %1, %2 |
| ret double %div |
| } |
| |
| define float @fdiv_sinf_cosf_reassoc(float %a) { |
| ; CHECK-LABEL: @fdiv_sinf_cosf_reassoc( |
| ; CHECK-NEXT: [[TANF:%.*]] = call reassoc float @tanf(float [[A:%.*]]) #[[ATTR1]] |
| ; CHECK-NEXT: ret float [[TANF]] |
| ; |
| %1 = call reassoc float @llvm.sin.f32(float %a) |
| %2 = call reassoc float @llvm.cos.f32(float %a) |
| %div = fdiv reassoc float %1, %2 |
| ret float %div |
| } |
| |
| define fp128 @fdiv_sinfp128_cosfp128_reassoc(fp128 %a) { |
| ; CHECK-LABEL: @fdiv_sinfp128_cosfp128_reassoc( |
| ; CHECK-NEXT: [[TANL:%.*]] = call reassoc fp128 @tanl(fp128 [[A:%.*]]) #[[ATTR1]] |
| ; CHECK-NEXT: ret fp128 [[TANL]] |
| ; |
| %1 = call reassoc fp128 @llvm.sin.fp128(fp128 %a) |
| %2 = call reassoc fp128 @llvm.cos.fp128(fp128 %a) |
| %div = fdiv reassoc fp128 %1, %2 |
| ret fp128 %div |
| } |
| |
| declare double @llvm.sin.f64(double) #1 |
| declare float @llvm.sin.f32(float) #1 |
| declare fp128 @llvm.sin.fp128(fp128) #1 |
| |
| declare double @llvm.cos.f64(double) #1 |
| declare float @llvm.cos.f32(float) #1 |
| declare fp128 @llvm.cos.fp128(fp128) #1 |
| |
| declare void @use(double) |
| |
| attributes #0 = { nounwind readnone speculatable } |
| attributes #1 = { nounwind readnone } |