forked from OSchip/llvm-project
464 lines
15 KiB
LLVM
464 lines
15 KiB
LLVM
; RUN: opt < %s -instcombine -S -mtriple "i386-pc-linux" | FileCheck -check-prefix=DO-SIMPLIFY -check-prefix=ALL %s
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; RUN: opt < %s -instcombine -S -mtriple "i386-pc-win32" | FileCheck -check-prefix=DONT-SIMPLIFY -check-prefix=ALL %s
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; RUN: opt < %s -instcombine -S -mtriple "x86_64-pc-win32" | FileCheck -check-prefix=C89-SIMPLIFY -check-prefix=ALL %s
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; RUN: opt < %s -instcombine -S -mtriple "i386-pc-mingw32" | FileCheck -check-prefix=DO-SIMPLIFY -check-prefix=ALL %s
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; RUN: opt < %s -instcombine -S -mtriple "x86_64-pc-mingw32" | FileCheck -check-prefix=DO-SIMPLIFY -check-prefix=ALL %s
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; RUN: opt < %s -instcombine -S -mtriple "sparc-sun-solaris" | FileCheck -check-prefix=DO-SIMPLIFY -check-prefix=ALL %s
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declare double @floor(double)
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declare double @ceil(double)
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declare double @round(double)
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declare double @nearbyint(double)
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declare double @trunc(double)
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declare double @fabs(double)
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declare double @llvm.floor.f64(double)
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declare double @llvm.ceil.f64(double)
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declare double @llvm.round.f64(double)
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declare double @llvm.nearbyint.f64(double)
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declare double @llvm.trunc.f64(double)
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declare double @llvm.fabs.f64(double)
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; ALL-LABEL: @test_shrink_libcall_floor(
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; DO-SIMPLIFY: call float @llvm.floor.f32(
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; C89-SIMPLIFY: call float @llvm.floor.f32(
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; DONT-SIMPLIFY: call float @llvm.floor.f32(
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define float @test_shrink_libcall_floor(float %C) {
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%D = fpext float %C to double
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; --> floorf
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%E = call double @floor(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_libcall_ceil(
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; DO-SIMPLIFY: call float @llvm.ceil.f32(
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; C89-SIMPLIFY: call float @llvm.ceil.f32(
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; DONT-SIMPLIFY: call float @llvm.ceil.f32(
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define float @test_shrink_libcall_ceil(float %C) {
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%D = fpext float %C to double
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; --> ceilf
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%E = call double @ceil(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_libcall_round(
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; DO-SIMPLIFY: call float @llvm.round.f32(
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; C89-SIMPLIFY: call double @round(
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; DONT-SIMPLIFY: call double @round(
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define float @test_shrink_libcall_round(float %C) {
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%D = fpext float %C to double
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; --> roundf
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%E = call double @round(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_libcall_nearbyint(
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; DO-SIMPLIFY: call float @llvm.nearbyint.f32(
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; C89-SIMPLIFY: call double @nearbyint(
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; DONT-SIMPLIFY: call double @nearbyint(
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define float @test_shrink_libcall_nearbyint(float %C) {
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%D = fpext float %C to double
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; --> nearbyintf
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%E = call double @nearbyint(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_libcall_trunc(
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; DO-SIMPLIFY: call float @llvm.trunc.f32(
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; DONT-SIMPLIFY: call double @trunc(
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define float @test_shrink_libcall_trunc(float %C) {
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%D = fpext float %C to double
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; --> truncf
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%E = call double @trunc(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_libcall_fabs(
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; DO-SIMPLIFY: call float @llvm.fabs.f32(
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; This is replaced with the intrinsic, which does the right thing on
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; all platforms.
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; DONT-SIMPLIFY: call float @llvm.fabs.f32(
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define float @test_shrink_libcall_fabs(float %C) {
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%D = fpext float %C to double
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; --> fabsf
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%E = call double @fabs(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; Make sure fast math flags are preserved
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; ALL-LABEL: @test_shrink_libcall_fabs_fast(
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; DO-SIMPLIFY: call fast float @llvm.fabs.f32(
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define float @test_shrink_libcall_fabs_fast(float %C) {
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%D = fpext float %C to double
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; --> fabsf
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%E = call fast double @fabs(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_intrin_floor(
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; ALL: call float @llvm.floor.f32(
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define float @test_shrink_intrin_floor(float %C) {
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%D = fpext float %C to double
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; --> floorf
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%E = call double @llvm.floor.f64(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_intrin_ceil(
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; ALL: call float @llvm.ceil.f32(
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define float @test_shrink_intrin_ceil(float %C) {
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%D = fpext float %C to double
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; --> ceilf
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%E = call double @llvm.ceil.f64(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_intrin_round(
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; ALL: call float @llvm.round.f32(
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define float @test_shrink_intrin_round(float %C) {
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%D = fpext float %C to double
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; --> roundf
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%E = call double @llvm.round.f64(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_intrin_nearbyint(
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; ALL: call float @llvm.nearbyint.f32(
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define float @test_shrink_intrin_nearbyint(float %C) {
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%D = fpext float %C to double
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; --> nearbyintf
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%E = call double @llvm.nearbyint.f64(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_intrin_trunc(
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; ALL-SIMPLIFY: call float @llvm.trunc.f32(
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define float @test_shrink_intrin_trunc(float %C) {
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%D = fpext float %C to double
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%E = call double @llvm.trunc.f64(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_intrin_fabs(
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; ALL: call float @llvm.fabs.f32(
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define float @test_shrink_intrin_fabs(float %C) {
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%D = fpext float %C to double
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%E = call double @llvm.fabs.f64(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; Make sure fast math flags are preserved
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; ALL-LABEL: @test_shrink_intrin_fabs_fast(
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; ALL: call fast float @llvm.fabs.f32(
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define float @test_shrink_intrin_fabs_fast(float %C) {
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%D = fpext float %C to double
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%E = call fast double @llvm.fabs.f64(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_no_shrink_intrin_floor(
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; ALL: call double @llvm.floor.f64(
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define float @test_no_shrink_intrin_floor(double %D) {
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%E = call double @llvm.floor.f64(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_no_shrink_intrin_ceil(
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; ALL: call double @llvm.ceil.f64(
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define float @test_no_shrink_intrin_ceil(double %D) {
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%E = call double @llvm.ceil.f64(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_no_shrink_intrin_round(
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; ALL: call double @llvm.round.f64(
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define float @test_no_shrink_intrin_round(double %D) {
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%E = call double @llvm.round.f64(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_no_shrink_intrin_nearbyint(
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; ALL: call double @llvm.nearbyint.f64(
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define float @test_no_shrink_intrin_nearbyint(double %D) {
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%E = call double @llvm.nearbyint.f64(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_no_shrink_intrin_trunc(
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; ALL-SIMPLIFY: call double @llvm.trunc.f64(
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define float @test_no_shrink_intrin_trunc(double %D) {
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%E = call double @llvm.trunc.f64(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_intrin_fabs_double_src(
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; ALL: call float @llvm.fabs.f32(
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define float @test_shrink_intrin_fabs_double_src(double %D) {
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%E = call double @llvm.fabs.f64(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; Make sure fast math flags are preserved
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; ALL-LABEL: @test_shrink_intrin_fabs_fast_double_src(
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; ALL: call fast float @llvm.fabs.f32(
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define float @test_shrink_intrin_fabs_fast_double_src(double %D) {
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%E = call fast double @llvm.fabs.f64(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_float_convertible_constant_intrin_floor(
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; ALL: ret float 2.000000e+00
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define float @test_shrink_float_convertible_constant_intrin_floor() {
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%E = call double @llvm.floor.f64(double 2.1)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_float_convertible_constant_intrin_ceil(
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; ALL: ret float 3.000000e+00
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define float @test_shrink_float_convertible_constant_intrin_ceil() {
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%E = call double @llvm.ceil.f64(double 2.1)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_float_convertible_constant_intrin_round(
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; ALL: ret float 2.000000e+00
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define float @test_shrink_float_convertible_constant_intrin_round() {
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%E = call double @llvm.round.f64(double 2.1)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_float_convertible_constant_intrin_nearbyint(
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; ALL: ret float 2.000000e+00
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define float @test_shrink_float_convertible_constant_intrin_nearbyint() {
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%E = call double @llvm.nearbyint.f64(double 2.1)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_float_convertible_constant_intrin_trunc(
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; ALL: ret float 2.000000e+00
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define float @test_shrink_float_convertible_constant_intrin_trunc() {
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%E = call double @llvm.trunc.f64(double 2.1)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_float_convertible_constant_intrin_fabs(
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; ALL: ret float 0x4000CCCCC0000000
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define float @test_shrink_float_convertible_constant_intrin_fabs() {
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%E = call double @llvm.fabs.f64(double 2.1)
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%F = fptrunc double %E to float
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ret float %F
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}
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; Make sure fast math flags are preserved
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; ALL-LABEL: @test_shrink_float_convertible_constant_intrin_fabs_fast(
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; ALL: ret float 0x4000CCCCC0000000
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define float @test_shrink_float_convertible_constant_intrin_fabs_fast() {
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%E = call fast double @llvm.fabs.f64(double 2.1)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_no_shrink_mismatched_type_intrin_floor(
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; ALL-NEXT: %E = call double @llvm.floor.f64(double %D)
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; ALL-NEXT: %F = fptrunc double %E to half
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; ALL-NEXT: ret half %F
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define half @test_no_shrink_mismatched_type_intrin_floor(double %D) {
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%E = call double @llvm.floor.f64(double %D)
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%F = fptrunc double %E to half
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ret half %F
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}
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; ALL-LABEL: @test_no_shrink_mismatched_type_intrin_ceil(
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; ALL-NEXT: %E = call double @llvm.ceil.f64(double %D)
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; ALL-NEXT: %F = fptrunc double %E to half
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; ALL-NEXT: ret half %F
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define half @test_no_shrink_mismatched_type_intrin_ceil(double %D) {
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%E = call double @llvm.ceil.f64(double %D)
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%F = fptrunc double %E to half
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ret half %F
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}
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; ALL-LABEL: @test_no_shrink_mismatched_type_intrin_round(
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; ALL-NEXT: %E = call double @llvm.round.f64(double %D)
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; ALL-NEXT: %F = fptrunc double %E to half
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; ALL-NEXT: ret half %F
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define half @test_no_shrink_mismatched_type_intrin_round(double %D) {
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%E = call double @llvm.round.f64(double %D)
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%F = fptrunc double %E to half
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ret half %F
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}
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; ALL-LABEL: @test_no_shrink_mismatched_type_intrin_nearbyint(
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; ALL-NEXT: %E = call double @llvm.nearbyint.f64(double %D)
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; ALL-NEXT: %F = fptrunc double %E to half
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; ALL-NEXT: ret half %F
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define half @test_no_shrink_mismatched_type_intrin_nearbyint(double %D) {
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%E = call double @llvm.nearbyint.f64(double %D)
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%F = fptrunc double %E to half
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ret half %F
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}
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; ALL-LABEL: @test_no_shrink_mismatched_type_intrin_trunc(
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; ALL-NEXT: %E = call double @llvm.trunc.f64(double %D)
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; ALL-NEXT: %F = fptrunc double %E to half
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; ALL-NEXT: ret half %F
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define half @test_no_shrink_mismatched_type_intrin_trunc(double %D) {
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%E = call double @llvm.trunc.f64(double %D)
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%F = fptrunc double %E to half
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ret half %F
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}
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; ALL-LABEL: @test_shrink_mismatched_type_intrin_fabs_double_src(
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; ALL-NEXT: %1 = fptrunc double %D to half
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; ALL-NEXT: %F = call half @llvm.fabs.f16(half %1)
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; ALL-NEXT: ret half %F
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define half @test_shrink_mismatched_type_intrin_fabs_double_src(double %D) {
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%E = call double @llvm.fabs.f64(double %D)
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%F = fptrunc double %E to half
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ret half %F
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}
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; Make sure fast math flags are preserved
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; ALL-LABEL: @test_mismatched_type_intrin_fabs_fast_double_src(
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; ALL-NEXT: %1 = fptrunc double %D to half
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; ALL-NEXT: %F = call fast half @llvm.fabs.f16(half %1)
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; ALL-NEXT: ret half %F
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define half @test_mismatched_type_intrin_fabs_fast_double_src(double %D) {
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%E = call fast double @llvm.fabs.f64(double %D)
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%F = fptrunc double %E to half
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ret half %F
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}
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; ALL-LABEL: @test_shrink_intrin_floor_fp16_src(
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; ALL-NEXT: %E = call half @llvm.floor.f16(half %C)
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; ALL-NEXT: %1 = fpext half %E to double
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; ALL-NEXT: %F = fptrunc double %1 to float
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define float @test_shrink_intrin_floor_fp16_src(half %C) {
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%D = fpext half %C to double
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%E = call double @llvm.floor.f64(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_intrin_ceil_fp16_src(
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; ALL-NEXT: %E = call half @llvm.ceil.f16(half %C)
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; ALL-NEXT: %1 = fpext half %E to double
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; ALL-NEXT: %F = fptrunc double %1 to float
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; ALL-NEXT: ret float %F
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define float @test_shrink_intrin_ceil_fp16_src(half %C) {
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%D = fpext half %C to double
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%E = call double @llvm.ceil.f64(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_intrin_round_fp16_src(
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; ALL-NEXT: %E = call half @llvm.round.f16(half %C)
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; ALL-NEXT: %1 = fpext half %E to double
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; ALL-NEXT: %F = fptrunc double %1 to float
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; ALL-NEXT: ret float %F
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define float @test_shrink_intrin_round_fp16_src(half %C) {
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%D = fpext half %C to double
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%E = call double @llvm.round.f64(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_intrin_nearbyint_fp16_src(
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; ALL-NEXT: %E = call half @llvm.nearbyint.f16(half %C)
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; ALL-NEXT: %1 = fpext half %E to double
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; ALL-NEXT: %F = fptrunc double %1 to float
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; ALL-NEXT: ret float %F
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define float @test_shrink_intrin_nearbyint_fp16_src(half %C) {
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%D = fpext half %C to double
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%E = call double @llvm.nearbyint.f64(double %D)
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%F = fptrunc double %E to float
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ret float %F
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}
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; ALL-LABEL: @test_shrink_intrin_trunc_fp16_src(
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; ALL-NEXT: %E = call half @llvm.trunc.f16(half %C)
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; ALL-NEXT: %1 = fpext half %E to double
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; ALL-NEXT: %F = fptrunc double %1 to float
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; ALL-NEXT: ret float %F
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define float @test_shrink_intrin_trunc_fp16_src(half %C) {
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%D = fpext half %C to double
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|
%E = call double @llvm.trunc.f64(double %D)
|
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%F = fptrunc double %E to float
|
|
ret float %F
|
|
}
|
|
|
|
; ALL-LABEL: @test_shrink_intrin_fabs_fp16_src(
|
|
; ALL-NEXT: %E = call half @llvm.fabs.f16(half %C)
|
|
; ALL-NEXT: %1 = fpext half %E to double
|
|
; ALL-NEXT: %F = fptrunc double %1 to float
|
|
; ALL-NEXT: ret float %F
|
|
define float @test_shrink_intrin_fabs_fp16_src(half %C) {
|
|
%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
|
|
; ALL-LABEL: @test_shrink_intrin_fabs_fast_fp16_src(
|
|
; ALL-NEXT: %E = call fast half @llvm.fabs.f16(half %C)
|
|
; ALL-NEXT: %1 = fpext half %E to double
|
|
; ALL-NEXT: %F = fptrunc double %1 to float
|
|
; ALL-NEXT: ret float %F
|
|
define float @test_shrink_intrin_fabs_fast_fp16_src(half %C) {
|
|
%D = fpext half %C to double
|
|
%E = call fast double @llvm.fabs.f64(double %D)
|
|
%F = fptrunc double %E to float
|
|
ret float %F
|
|
}
|
|
|
|
; ALL-LABEL: @test_no_shrink_intrin_floor_multi_use_fpext(
|
|
; ALL: %D = fpext half %C to double
|
|
; ALL: call double @llvm.floor.f64
|
|
define float @test_no_shrink_intrin_floor_multi_use_fpext(half %C) {
|
|
%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
|
|
}
|
|
|
|
; ALL-LABEL: @test_no_shrink_intrin_fabs_multi_use_fpext(
|
|
; ALL: %D = fpext half %C to double
|
|
; ALL: call double @llvm.fabs.f64
|
|
define float @test_no_shrink_intrin_fabs_multi_use_fpext(half %C) {
|
|
%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
|
|
}
|