; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -instcombine -S -mtriple "i386-pc-linux" | FileCheck -check-prefix=ALL -check-prefix=DO-SIMPLIFY %s ; RUN: opt < %s -instcombine -S -mtriple "i386-pc-win32" | FileCheck -check-prefix=ALL -check-prefix=DONT-SIMPLIFY %s ; RUN: opt < %s -instcombine -S -mtriple "x86_64-pc-win32" | FileCheck -check-prefix=ALL -check-prefix=C89-SIMPLIFY %s ; RUN: opt < %s -instcombine -S -mtriple "i386-pc-mingw32" | FileCheck -check-prefix=ALL -check-prefix=DO-SIMPLIFY %s ; RUN: opt < %s -instcombine -S -mtriple "x86_64-pc-mingw32" | FileCheck -check-prefix=ALL -check-prefix=DO-SIMPLIFY %s ; RUN: opt < %s -instcombine -S -mtriple "sparc-sun-solaris" | FileCheck -check-prefix=ALL -check-prefix=DO-SIMPLIFY %s declare double @floor(double) declare double @ceil(double) declare double @round(double) declare double @nearbyint(double) declare double @trunc(double) declare double @fabs(double) declare double @llvm.floor.f64(double) declare double @llvm.ceil.f64(double) declare double @llvm.round.f64(double) declare double @llvm.nearbyint.f64(double) declare double @llvm.trunc.f64(double) declare double @llvm.fabs.f64(double) define float @test_shrink_libcall_floor(float %C) { ; ALL-LABEL: @test_shrink_libcall_floor( ; ALL-NEXT: [[F:%.*]] = call float @llvm.floor.f32(float [[C:%.*]]) ; ALL-NEXT: ret float [[F]] ; %D = fpext float %C to double ; --> floorf %E = call double @floor(double %D) %F = fptrunc double %E to float ret float %F } define float @test_shrink_libcall_ceil(float %C) { ; ALL-LABEL: @test_shrink_libcall_ceil( ; ALL-NEXT: [[F:%.*]] = call float @llvm.ceil.f32(float [[C:%.*]]) ; ALL-NEXT: ret float [[F]] ; %D = fpext float %C to double ; --> ceilf %E = call double @ceil(double %D) %F = fptrunc double %E to float ret float %F } define float @test_shrink_libcall_round(float %C) { ; DO-SIMPLIFY-LABEL: @test_shrink_libcall_round( ; DO-SIMPLIFY-NEXT: [[F:%.*]] = call float @llvm.round.f32(float [[C:%.*]]) ; DO-SIMPLIFY-NEXT: ret float [[F]] ; ; DONT-SIMPLIFY-LABEL: @test_shrink_libcall_round( ; DONT-SIMPLIFY-NEXT: [[D:%.*]] = fpext float [[C:%.*]] to double ; DONT-SIMPLIFY-NEXT: [[E:%.*]] = call double @round(double [[D]]) ; DONT-SIMPLIFY-NEXT: [[F:%.*]] = fptrunc double [[E]] to float ; DONT-SIMPLIFY-NEXT: ret float [[F]] ; ; C89-SIMPLIFY-LABEL: @test_shrink_libcall_round( ; C89-SIMPLIFY-NEXT: [[D:%.*]] = fpext float [[C:%.*]] to double ; C89-SIMPLIFY-NEXT: [[E:%.*]] = call double @round(double [[D]]) ; C89-SIMPLIFY-NEXT: [[F:%.*]] = fptrunc double [[E]] to float ; C89-SIMPLIFY-NEXT: ret float [[F]] ; %D = fpext float %C to double ; --> roundf %E = call double @round(double %D) %F = fptrunc double %E to float ret float %F } define float @test_shrink_libcall_nearbyint(float %C) { ; DO-SIMPLIFY-LABEL: @test_shrink_libcall_nearbyint( ; DO-SIMPLIFY-NEXT: [[F:%.*]] = call float @llvm.nearbyint.f32(float [[C:%.*]]) ; DO-SIMPLIFY-NEXT: ret float [[F]] ; ; DONT-SIMPLIFY-LABEL: @test_shrink_libcall_nearbyint( ; DONT-SIMPLIFY-NEXT: [[D:%.*]] = fpext float [[C:%.*]] to double ; DONT-SIMPLIFY-NEXT: [[E:%.*]] = call double @nearbyint(double [[D]]) ; DONT-SIMPLIFY-NEXT: [[F:%.*]] = fptrunc double [[E]] to float ; DONT-SIMPLIFY-NEXT: ret float [[F]] ; ; C89-SIMPLIFY-LABEL: @test_shrink_libcall_nearbyint( ; C89-SIMPLIFY-NEXT: [[D:%.*]] = fpext float [[C:%.*]] to double ; C89-SIMPLIFY-NEXT: [[E:%.*]] = call double @nearbyint(double [[D]]) ; C89-SIMPLIFY-NEXT: [[F:%.*]] = fptrunc double [[E]] to float ; C89-SIMPLIFY-NEXT: ret float [[F]] ; %D = fpext float %C to double ; --> nearbyintf %E = call double @nearbyint(double %D) %F = fptrunc double %E to float ret float %F } define float @test_shrink_libcall_trunc(float %C) { ; DO-SIMPLIFY-LABEL: @test_shrink_libcall_trunc( ; DO-SIMPLIFY-NEXT: [[F:%.*]] = call float @llvm.trunc.f32(float [[C:%.*]]) ; DO-SIMPLIFY-NEXT: ret float [[F]] ; ; DONT-SIMPLIFY-LABEL: @test_shrink_libcall_trunc( ; DONT-SIMPLIFY-NEXT: [[D:%.*]] = fpext float [[C:%.*]] to double ; DONT-SIMPLIFY-NEXT: [[E:%.*]] = call double @trunc(double [[D]]) ; DONT-SIMPLIFY-NEXT: [[F:%.*]] = fptrunc double [[E]] to float ; DONT-SIMPLIFY-NEXT: ret float [[F]] ; ; C89-SIMPLIFY-LABEL: @test_shrink_libcall_trunc( ; C89-SIMPLIFY-NEXT: [[D:%.*]] = fpext float [[C:%.*]] to double ; C89-SIMPLIFY-NEXT: [[E:%.*]] = call double @trunc(double [[D]]) ; C89-SIMPLIFY-NEXT: [[F:%.*]] = fptrunc double [[E]] to float ; C89-SIMPLIFY-NEXT: ret float [[F]] ; %D = fpext float %C to double ; --> truncf %E = call double @trunc(double %D) %F = fptrunc double %E to float ret float %F } ; This is replaced with the intrinsic, which does the right thing on ; all platforms. define float @test_shrink_libcall_fabs(float %C) { ; ALL-LABEL: @test_shrink_libcall_fabs( ; ALL-NEXT: [[F:%.*]] = call float @llvm.fabs.f32(float [[C:%.*]]) ; ALL-NEXT: ret float [[F]] ; %D = fpext float %C to double ; --> fabsf %E = call double @fabs(double %D) %F = fptrunc double %E to float ret float %F } ; Make sure fast math flags are preserved define float @test_shrink_libcall_fabs_fast(float %C) { ; ALL-LABEL: @test_shrink_libcall_fabs_fast( ; ALL-NEXT: [[F:%.*]] = call fast float @llvm.fabs.f32(float [[C:%.*]]) ; ALL-NEXT: ret float [[F]] ; %D = fpext float %C to double ; --> fabsf %E = call fast double @fabs(double %D) %F = fptrunc double %E to float ret float %F } define float @test_shrink_intrin_floor(float %C) { ; ALL-LABEL: @test_shrink_intrin_floor( ; ALL-NEXT: [[E:%.*]] = call float @llvm.floor.f32(float [[C:%.*]]) ; ALL-NEXT: ret float [[E]] ; %D = fpext float %C to double ; --> floorf %E = call double @llvm.floor.f64(double %D) %F = fptrunc double %E to float ret float %F } define float @test_shrink_intrin_ceil(float %C) { ; ALL-LABEL: @test_shrink_intrin_ceil( ; ALL-NEXT: [[E:%.*]] = call float @llvm.ceil.f32(float [[C:%.*]]) ; ALL-NEXT: ret float [[E]] ; %D = fpext float %C to double ; --> ceilf %E = call double @llvm.ceil.f64(double %D) %F = fptrunc double %E to float ret float %F } define float @test_shrink_intrin_round(float %C) { ; ALL-LABEL: @test_shrink_intrin_round( ; ALL-NEXT: [[E:%.*]] = call float @llvm.round.f32(float [[C:%.*]]) ; ALL-NEXT: ret float [[E]] ; %D = fpext float %C to double ; --> roundf %E = call double @llvm.round.f64(double %D) %F = fptrunc double %E to float ret float %F } define float @test_shrink_intrin_nearbyint(float %C) { ; ALL-LABEL: @test_shrink_intrin_nearbyint( ; ALL-NEXT: [[E:%.*]] = call float @llvm.nearbyint.f32(float [[C:%.*]]) ; ALL-NEXT: ret float [[E]] ; %D = fpext float %C to double ; --> nearbyintf %E = call double @llvm.nearbyint.f64(double %D) %F = fptrunc double %E to float ret float %F } define float @test_shrink_intrin_trunc(float %C) { ; ALL-LABEL: @test_shrink_intrin_trunc( ; ALL-NEXT: [[E:%.*]] = call float @llvm.trunc.f32(float [[C:%.*]]) ; ALL-NEXT: ret float [[E]] ; %D = fpext float %C to double %E = call double @llvm.trunc.f64(double %D) %F = fptrunc double %E to float ret float %F } define float @test_shrink_intrin_fabs(float %C) { ; ALL-LABEL: @test_shrink_intrin_fabs( ; ALL-NEXT: [[E:%.*]] = call float @llvm.fabs.f32(float [[C:%.*]]) ; ALL-NEXT: ret float [[E]] ; %D = fpext float %C to double %E = call double @llvm.fabs.f64(double %D) %F = fptrunc double %E to float ret float %F } ; Make sure fast math flags are preserved define float @test_shrink_intrin_fabs_fast(float %C) { ; ALL-LABEL: @test_shrink_intrin_fabs_fast( ; ALL-NEXT: [[E:%.*]] = call fast float @llvm.fabs.f32(float [[C:%.*]]) ; ALL-NEXT: ret float [[E]] ; %D = fpext float %C to double %E = call fast double @llvm.fabs.f64(double %D) %F = fptrunc double %E to float ret float %F } define float @test_no_shrink_intrin_floor(double %D) { ; ALL-LABEL: @test_no_shrink_intrin_floor( ; ALL-NEXT: [[E:%.*]] = call double @llvm.floor.f64(double [[D:%.*]]) ; ALL-NEXT: [[F:%.*]] = fptrunc double [[E]] to float ; ALL-NEXT: ret float [[F]] ; %E = call double @llvm.floor.f64(double %D) %F = fptrunc double %E to float ret float %F } define float @test_no_shrink_intrin_ceil(double %D) { ; ALL-LABEL: @test_no_shrink_intrin_ceil( ; ALL-NEXT: [[E:%.*]] = call double @llvm.ceil.f64(double [[D:%.*]]) ; ALL-NEXT: [[F:%.*]] = fptrunc double [[E]] to float ; ALL-NEXT: ret float [[F]] ; %E = call double @llvm.ceil.f64(double %D) %F = fptrunc double %E to float ret float %F } define float @test_no_shrink_intrin_round(double %D) { ; ALL-LABEL: @test_no_shrink_intrin_round( ; ALL-NEXT: [[E:%.*]] = call double @llvm.round.f64(double [[D:%.*]]) ; ALL-NEXT: [[F:%.*]] = fptrunc double [[E]] to float ; ALL-NEXT: ret float [[F]] ; %E = call double @llvm.round.f64(double %D) %F = fptrunc double %E to float ret float %F } define float @test_no_shrink_intrin_nearbyint(double %D) { ; ALL-LABEL: @test_no_shrink_intrin_nearbyint( ; ALL-NEXT: [[E:%.*]] = call double @llvm.nearbyint.f64(double [[D:%.*]]) ; ALL-NEXT: [[F:%.*]] = fptrunc double [[E]] to float ; ALL-NEXT: ret float [[F]] ; %E = call double @llvm.nearbyint.f64(double %D) %F = fptrunc double %E to float ret float %F } define float @test_no_shrink_intrin_trunc(double %D) { ; ALL-LABEL: @test_no_shrink_intrin_trunc( ; ALL-NEXT: [[E:%.*]] = call double @llvm.trunc.f64(double [[D:%.*]]) ; ALL-NEXT: [[F:%.*]] = fptrunc double [[E]] to float ; ALL-NEXT: ret float [[F]] ; %E = call double @llvm.trunc.f64(double %D) %F = fptrunc double %E to float ret float %F } define float @test_shrink_intrin_fabs_double_src(double %D) { ; ALL-LABEL: @test_shrink_intrin_fabs_double_src( ; ALL-NEXT: [[TMP1:%.*]] = fptrunc double [[D:%.*]] to float ; ALL-NEXT: [[F:%.*]] = call float @llvm.fabs.f32(float [[TMP1]]) ; ALL-NEXT: ret float [[F]] ; %E = call double @llvm.fabs.f64(double %D) %F = fptrunc double %E to float ret float %F } ; Make sure fast math flags are preserved define float @test_shrink_intrin_fabs_fast_double_src(double %D) { ; ALL-LABEL: @test_shrink_intrin_fabs_fast_double_src( ; ALL-NEXT: [[TMP1:%.*]] = fptrunc double [[D:%.*]] to float ; ALL-NEXT: [[F:%.*]] = call fast float @llvm.fabs.f32(float [[TMP1]]) ; ALL-NEXT: ret float [[F]] ; %E = call fast double @llvm.fabs.f64(double %D) %F = fptrunc double %E to float ret float %F } define float @test_shrink_float_convertible_constant_intrin_floor() { ; ALL-LABEL: @test_shrink_float_convertible_constant_intrin_floor( ; ALL-NEXT: ret float 2.000000e+00 ; %E = call double @llvm.floor.f64(double 2.1) %F = fptrunc double %E to float ret float %F } define float @test_shrink_float_convertible_constant_intrin_ceil() { ; ALL-LABEL: @test_shrink_float_convertible_constant_intrin_ceil( ; ALL-NEXT: ret float 3.000000e+00 ; %E = call double @llvm.ceil.f64(double 2.1) %F = fptrunc double %E to float ret float %F } define float @test_shrink_float_convertible_constant_intrin_round() { ; ALL-LABEL: @test_shrink_float_convertible_constant_intrin_round( ; ALL-NEXT: ret float 2.000000e+00 ; %E = call double @llvm.round.f64(double 2.1) %F = fptrunc double %E to float ret float %F } define float @test_shrink_float_convertible_constant_intrin_nearbyint() { ; ALL-LABEL: @test_shrink_float_convertible_constant_intrin_nearbyint( ; ALL-NEXT: ret float 2.000000e+00 ; %E = call double @llvm.nearbyint.f64(double 2.1) %F = fptrunc double %E to float ret float %F } define float @test_shrink_float_convertible_constant_intrin_trunc() { ; ALL-LABEL: @test_shrink_float_convertible_constant_intrin_trunc( ; ALL-NEXT: ret float 2.000000e+00 ; %E = call double @llvm.trunc.f64(double 2.1) %F = fptrunc double %E to float ret float %F } define float @test_shrink_float_convertible_constant_intrin_fabs() { ; ALL-LABEL: @test_shrink_float_convertible_constant_intrin_fabs( ; ALL-NEXT: ret float 0x4000CCCCC0000000 ; %E = call double @llvm.fabs.f64(double 2.1) %F = fptrunc double %E to float ret float %F } ; Make sure fast math flags are preserved define float @test_shrink_float_convertible_constant_intrin_fabs_fast() { ; ALL-LABEL: @test_shrink_float_convertible_constant_intrin_fabs_fast( ; ALL-NEXT: ret float 0x4000CCCCC0000000 ; %E = call fast double @llvm.fabs.f64(double 2.1) %F = fptrunc double %E to float ret float %F } define half @test_no_shrink_mismatched_type_intrin_floor(double %D) { ; ALL-LABEL: @test_no_shrink_mismatched_type_intrin_floor( ; ALL-NEXT: [[E:%.*]] = call double @llvm.floor.f64(double [[D:%.*]]) ; ALL-NEXT: [[F:%.*]] = fptrunc double [[E]] to half ; ALL-NEXT: ret half [[F]] ; %E = call double @llvm.floor.f64(double %D) %F = fptrunc double %E to half ret half %F } define half @test_no_shrink_mismatched_type_intrin_ceil(double %D) { ; ALL-LABEL: @test_no_shrink_mismatched_type_intrin_ceil( ; ALL-NEXT: [[E:%.*]] = call double @llvm.ceil.f64(double [[D:%.*]]) ; ALL-NEXT: [[F:%.*]] = fptrunc double [[E]] to half ; ALL-NEXT: ret half [[F]] ; %E = call double @llvm.ceil.f64(double %D) %F = fptrunc double %E to half ret half %F } define half @test_no_shrink_mismatched_type_intrin_round(double %D) { ; ALL-LABEL: @test_no_shrink_mismatched_type_intrin_round( ; ALL-NEXT: [[E:%.*]] = call double @llvm.round.f64(double [[D:%.*]]) ; ALL-NEXT: [[F:%.*]] = fptrunc double [[E]] to half ; ALL-NEXT: ret half [[F]] ; %E = call double @llvm.round.f64(double %D) %F = fptrunc double %E to half ret half %F } define half @test_no_shrink_mismatched_type_intrin_nearbyint(double %D) { ; ALL-LABEL: @test_no_shrink_mismatched_type_intrin_nearbyint( ; ALL-NEXT: [[E:%.*]] = call double @llvm.nearbyint.f64(double [[D:%.*]]) ; ALL-NEXT: [[F:%.*]] = fptrunc double [[E]] to half ; ALL-NEXT: ret half [[F]] ; %E = call double @llvm.nearbyint.f64(double %D) %F = fptrunc double %E to half ret half %F } define half @test_no_shrink_mismatched_type_intrin_trunc(double %D) { ; ALL-LABEL: @test_no_shrink_mismatched_type_intrin_trunc( ; ALL-NEXT: [[E:%.*]] = call double @llvm.trunc.f64(double [[D:%.*]]) ; ALL-NEXT: [[F:%.*]] = fptrunc double [[E]] to half ; ALL-NEXT: ret half [[F]] ; %E = call double @llvm.trunc.f64(double %D) %F = fptrunc double %E to half ret half %F } define half @test_shrink_mismatched_type_intrin_fabs_double_src(double %D) { ; ALL-LABEL: @test_shrink_mismatched_type_intrin_fabs_double_src( ; ALL-NEXT: [[TMP1:%.*]] = fptrunc double [[D:%.*]] to half ; ALL-NEXT: [[F:%.*]] = call half @llvm.fabs.f16(half [[TMP1]]) ; ALL-NEXT: ret half [[F]] ; %E = call double @llvm.fabs.f64(double %D) %F = fptrunc double %E to half ret half %F } ; Make sure fast math flags are preserved define half @test_mismatched_type_intrin_fabs_fast_double_src(double %D) { ; ALL-LABEL: @test_mismatched_type_intrin_fabs_fast_double_src( ; ALL-NEXT: [[TMP1:%.*]] = fptrunc double [[D:%.*]] to half ; ALL-NEXT: [[F:%.*]] = call fast half @llvm.fabs.f16(half [[TMP1]]) ; ALL-NEXT: ret half [[F]] ; %E = call fast double @llvm.fabs.f64(double %D) %F = fptrunc double %E to half ret half %F } define float @test_shrink_intrin_floor_fp16_src(half %C) { ; ALL-LABEL: @test_shrink_intrin_floor_fp16_src( ; ALL-NEXT: [[E:%.*]] = call half @llvm.floor.f16(half [[C:%.*]]) ; ALL-NEXT: [[F:%.*]] = fpext half [[E]] to float ; ALL-NEXT: ret float [[F]] ; %D = fpext half %C to double %E = call double @llvm.floor.f64(double %D) %F = fptrunc double %E to float ret float %F } define float @test_shrink_intrin_ceil_fp16_src(half %C) { ; ALL-LABEL: @test_shrink_intrin_ceil_fp16_src( ; ALL-NEXT: [[E:%.*]] = call half @llvm.ceil.f16(half [[C:%.*]]) ; ALL-NEXT: [[F:%.*]] = fpext half [[E]] to float ; ALL-NEXT: ret float [[F]] ; %D = fpext half %C to double %E = call double @llvm.ceil.f64(double %D) %F = fptrunc double %E to float ret float %F } define float @test_shrink_intrin_round_fp16_src(half %C) { ; ALL-LABEL: @test_shrink_intrin_round_fp16_src( ; ALL-NEXT: [[E:%.*]] = call half @llvm.round.f16(half [[C:%.*]]) ; ALL-NEXT: [[F:%.*]] = fpext half [[E]] to float ; ALL-NEXT: ret float [[F]] ; %D = fpext half %C to double %E = call double @llvm.round.f64(double %D) %F = fptrunc double %E to float ret float %F } define float @test_shrink_intrin_nearbyint_fp16_src(half %C) { ; ALL-LABEL: @test_shrink_intrin_nearbyint_fp16_src( ; ALL-NEXT: [[E:%.*]] = call half @llvm.nearbyint.f16(half [[C:%.*]]) ; ALL-NEXT: [[F:%.*]] = fpext half [[E]] to float ; ALL-NEXT: ret float [[F]] ; %D = fpext half %C to double %E = call double @llvm.nearbyint.f64(double %D) %F = fptrunc double %E to float ret float %F } define float @test_shrink_intrin_trunc_fp16_src(half %C) { ; ALL-LABEL: @test_shrink_intrin_trunc_fp16_src( ; ALL-NEXT: [[E:%.*]] = call half @llvm.trunc.f16(half [[C:%.*]]) ; ALL-NEXT: [[F:%.*]] = fpext half [[E]] to float ; ALL-NEXT: ret float [[F]] ; %D = fpext half %C to double %E = call double @llvm.trunc.f64(double %D) %F = fptrunc double %E to float ret float %F } define float @test_shrink_intrin_fabs_fp16_src(half %C) { ; ALL-LABEL: @test_shrink_intrin_fabs_fp16_src( ; ALL-NEXT: [[E:%.*]] = call half @llvm.fabs.f16(half [[C:%.*]]) ; ALL-NEXT: [[F:%.*]] = fpext half [[E]] to float ; ALL-NEXT: ret float [[F]] ; %D = fpext half %C to double %E = call double @llvm.fabs.f64(double %D) %F = fptrunc double %E to float ret float %F } ; Make sure fast math flags are preserved define float @test_shrink_intrin_fabs_fast_fp16_src(half %C) { ; ALL-LABEL: @test_shrink_intrin_fabs_fast_fp16_src( ; ALL-NEXT: [[E:%.*]] = call fast half @llvm.fabs.f16(half [[C:%.*]]) ; ALL-NEXT: [[F:%.*]] = fpext half [[E]] to float ; ALL-NEXT: ret float [[F]] ; %D = fpext half %C to double %E = call fast double @llvm.fabs.f64(double %D) %F = fptrunc double %E to float ret float %F } define float @test_no_shrink_intrin_floor_multi_use_fpext(half %C) { ; ALL-LABEL: @test_no_shrink_intrin_floor_multi_use_fpext( ; ALL-NEXT: [[D:%.*]] = fpext half [[C:%.*]] to double ; ALL-NEXT: store volatile double [[D]], double* undef, align 8 ; ALL-NEXT: [[E:%.*]] = call double @llvm.floor.f64(double [[D]]) ; ALL-NEXT: [[F:%.*]] = fptrunc double [[E]] to float ; ALL-NEXT: ret float [[F]] ; %D = fpext half %C to double store volatile double %D, double* undef %E = call double @llvm.floor.f64(double %D) %F = fptrunc double %E to float ret float %F } define float @test_no_shrink_intrin_fabs_multi_use_fpext(half %C) { ; ALL-LABEL: @test_no_shrink_intrin_fabs_multi_use_fpext( ; ALL-NEXT: [[D:%.*]] = fpext half [[C:%.*]] to double ; ALL-NEXT: store volatile double [[D]], double* undef, align 8 ; ALL-NEXT: [[E:%.*]] = call double @llvm.fabs.f64(double [[D]]) ; ALL-NEXT: [[F:%.*]] = fptrunc double [[E]] to float ; ALL-NEXT: ret float [[F]] ; %D = fpext half %C to double store volatile double %D, double* undef %E = call double @llvm.fabs.f64(double %D) %F = fptrunc double %E to float ret float %F }