| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -disable-simplify-libcalls -instcombine -S | FileCheck %s |
| |
| declare double @llvm.pow.f64(double, double) |
| declare double @pow(double, double) |
| |
| define double @sqrt_libcall(double %x) { |
| ; CHECK-LABEL: @sqrt_libcall( |
| ; CHECK-NEXT: [[RETVAL:%.*]] = call double @pow(double [[X:%.*]], double 5.000000e-01) |
| ; CHECK-NEXT: ret double [[RETVAL]] |
| ; |
| %retval = call double @pow(double %x, double 0.5) |
| ret double %retval |
| } |
| |
| define double @sqrt_intrinsic(double %x) { |
| ; CHECK-LABEL: @sqrt_intrinsic( |
| ; CHECK-NEXT: [[SQRT:%.*]] = call double @llvm.sqrt.f64(double [[X:%.*]]) |
| ; CHECK-NEXT: [[ABS:%.*]] = call double @llvm.fabs.f64(double [[SQRT]]) |
| ; CHECK-NEXT: [[ISINF:%.*]] = fcmp oeq double [[X]], 0xFFF0000000000000 |
| ; CHECK-NEXT: [[TMP1:%.*]] = select i1 [[ISINF]], double 0x7FF0000000000000, double [[ABS]] |
| ; CHECK-NEXT: ret double [[TMP1]] |
| ; |
| %retval = call double @llvm.pow.f64(double %x, double 0.5) |
| ret double %retval |
| } |
| |
| ; Shrinking is disabled too. |
| |
| define float @shrink_libcall(float %f, float %g) { |
| ; CHECK-LABEL: @shrink_libcall( |
| ; CHECK-NEXT: [[DF:%.*]] = fpext float [[F:%.*]] to double |
| ; CHECK-NEXT: [[DG:%.*]] = fpext float [[G:%.*]] to double |
| ; CHECK-NEXT: [[CALL:%.*]] = call fast double @pow(double [[DF]], double [[DG]]) |
| ; CHECK-NEXT: [[FR:%.*]] = fptrunc double [[CALL]] to float |
| ; CHECK-NEXT: ret float [[FR]] |
| ; |
| %df = fpext float %f to double |
| %dg = fpext float %g to double |
| %call = call fast double @pow(double %df, double %dg) |
| %fr = fptrunc double %call to float |
| ret float %fr |
| } |
| |
| ; Shrinking is disabled for the intrinsic too. |
| |
| define float @shrink_intrinsic(float %f, float %g) { |
| ; CHECK-LABEL: @shrink_intrinsic( |
| ; CHECK-NEXT: [[DF:%.*]] = fpext float [[F:%.*]] to double |
| ; CHECK-NEXT: [[DG:%.*]] = fpext float [[G:%.*]] to double |
| ; CHECK-NEXT: [[CALL:%.*]] = call fast double @llvm.pow.f64(double [[DF]], double [[DG]]) |
| ; CHECK-NEXT: [[FR:%.*]] = fptrunc double [[CALL]] to float |
| ; CHECK-NEXT: ret float [[FR]] |
| ; |
| %df = fpext float %f to double |
| %dg = fpext float %g to double |
| %call = call fast double @llvm.pow.f64(double %df, double %dg) |
| %fr = fptrunc double %call to float |
| ret float %fr |
| } |