| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -passes=instcombine -S | FileCheck %s --check-prefixes=ANY,NO-FLOAT-SHRINK |
| ; RUN: opt < %s -passes=instcombine -enable-double-float-shrink -S | FileCheck %s --check-prefixes=ANY,DO-FLOAT-SHRINK |
| |
| declare double @llvm.cos.f64(double) |
| declare float @llvm.cos.f32(float) |
| |
| declare double @llvm.sin.f64(double) |
| declare float @llvm.sin.f32(float) |
| |
| ; cos -> cosf |
| |
| define float @cos_no_fastmath(float %f) { |
| ; NO-FLOAT-SHRINK-LABEL: @cos_no_fastmath( |
| ; NO-FLOAT-SHRINK-NEXT: [[D:%.*]] = fpext float [[F:%.*]] to double |
| ; NO-FLOAT-SHRINK-NEXT: [[RESULT:%.*]] = call double @llvm.cos.f64(double [[D]]) |
| ; NO-FLOAT-SHRINK-NEXT: [[TRUNCATED_RESULT:%.*]] = fptrunc double [[RESULT]] to float |
| ; NO-FLOAT-SHRINK-NEXT: ret float [[TRUNCATED_RESULT]] |
| ; |
| ; DO-FLOAT-SHRINK-LABEL: @cos_no_fastmath( |
| ; DO-FLOAT-SHRINK-NEXT: [[TMP1:%.*]] = call float @llvm.cos.f32(float [[F:%.*]]) |
| ; DO-FLOAT-SHRINK-NEXT: ret float [[TMP1]] |
| ; |
| %d = fpext float %f to double |
| %result = call double @llvm.cos.f64(double %d) |
| %truncated_result = fptrunc double %result to float |
| ret float %truncated_result |
| } |
| |
| define float @cos_fastmath(float %f) { |
| ; ANY-LABEL: @cos_fastmath( |
| ; ANY-NEXT: [[TMP1:%.*]] = call fast float @llvm.cos.f32(float [[F:%.*]]) |
| ; ANY-NEXT: ret float [[TMP1]] |
| ; |
| %d = fpext float %f to double |
| %result = call fast double @llvm.cos.f64(double %d) |
| %truncated_result = fptrunc double %result to float |
| ret float %truncated_result |
| } |
| |
| ; sin -> sinf |
| |
| define float @sin_no_fastmath(float %f) { |
| ; NO-FLOAT-SHRINK-LABEL: @sin_no_fastmath( |
| ; NO-FLOAT-SHRINK-NEXT: [[D:%.*]] = fpext float [[F:%.*]] to double |
| ; NO-FLOAT-SHRINK-NEXT: [[RESULT:%.*]] = call double @llvm.sin.f64(double [[D]]) |
| ; NO-FLOAT-SHRINK-NEXT: [[TRUNCATED_RESULT:%.*]] = fptrunc double [[RESULT]] to float |
| ; NO-FLOAT-SHRINK-NEXT: ret float [[TRUNCATED_RESULT]] |
| ; |
| ; DO-FLOAT-SHRINK-LABEL: @sin_no_fastmath( |
| ; DO-FLOAT-SHRINK-NEXT: [[TMP1:%.*]] = call float @llvm.sin.f32(float [[F:%.*]]) |
| ; DO-FLOAT-SHRINK-NEXT: ret float [[TMP1]] |
| ; |
| %d = fpext float %f to double |
| %result = call double @llvm.sin.f64(double %d) |
| %truncated_result = fptrunc double %result to float |
| ret float %truncated_result |
| } |
| |
| define float @sin_fastmath(float %f) { |
| ; ANY-LABEL: @sin_fastmath( |
| ; ANY-NEXT: [[TMP1:%.*]] = call fast float @llvm.sin.f32(float [[F:%.*]]) |
| ; ANY-NEXT: ret float [[TMP1]] |
| ; |
| %d = fpext float %f to double |
| %result = call fast double @llvm.sin.f64(double %d) |
| %truncated_result = fptrunc double %result to float |
| ret float %truncated_result |
| } |