; 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 }