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https://github.com/RPCS3/llvm-mirror.git
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ccfb3dd68e
Add missing fabs(fpext) optimzation that worked with the call, and also fixes it creating a second fpext when there were multiple uses. llvm-svn: 292172
95 lines
2.8 KiB
LLVM
95 lines
2.8 KiB
LLVM
; RUN: opt < %s -instcombine -S -mtriple "i386-pc-linux" | FileCheck -check-prefix=DO-SIMPLIFY %s
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; RUN: opt < %s -instcombine -S -mtriple "i386-pc-win32" | FileCheck -check-prefix=DONT-SIMPLIFY %s
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; RUN: opt < %s -instcombine -S -mtriple "x86_64-pc-win32" | FileCheck -check-prefix=C89-SIMPLIFY %s
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; RUN: opt < %s -instcombine -S -mtriple "i386-pc-mingw32" | FileCheck -check-prefix=DO-SIMPLIFY %s
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; RUN: opt < %s -instcombine -S -mtriple "x86_64-pc-mingw32" | FileCheck -check-prefix=DO-SIMPLIFY %s
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; RUN: opt < %s -instcombine -S -mtriple "sparc-sun-solaris" | FileCheck -check-prefix=DO-SIMPLIFY %s
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; DO-SIMPLIFY: call float @floorf(
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; DO-SIMPLIFY: call float @ceilf(
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; DO-SIMPLIFY: call float @roundf(
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; DO-SIMPLIFY: call float @nearbyintf(
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; DO-SIMPLIFY: call float @truncf(
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; DO-SIMPLIFY: call float @llvm.fabs.f32(
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; DO-SIMPLIFY: call fast float @llvm.fabs.f32(
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; C89-SIMPLIFY: call float @floorf(
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; C89-SIMPLIFY: call float @ceilf(
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; C89-SIMPLIFY: call double @round(
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; C89-SIMPLIFY: call double @nearbyint(
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; DONT-SIMPLIFY: call double @floor(
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; DONT-SIMPLIFY: call double @ceil(
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; DONT-SIMPLIFY: call double @round(
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; DONT-SIMPLIFY: call double @nearbyint(
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; DONT-SIMPLIFY: call double @trunc(
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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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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.fabs.f64(double)
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define float @test_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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define float @test_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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define float @test_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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define float @test_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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define float @test_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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define float @test_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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define float @test_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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