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llvm-project/llvm/test/Transforms/InstCombine/double-float-shrink-2.ll

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instcombine: Migrate math library call simplifications This patch migrates the math library call simplifications from the simplify-libcalls pass into the instcombine library call simplifier. I have typically migrated just one simplifier at a time, but the math simplifiers are interdependent because: 1. CosOpt, PowOpt, and Exp2Opt all depend on UnaryDoubleFPOpt. 2. CosOpt, PowOpt, Exp2Opt, and UnaryDoubleFPOpt all depend on the option -enable-double-float-shrink. These two factors made migrating each of these simplifiers individually more of a pain than it would be worth. So, I migrated them all together. llvm-svn: 167815
2012-11-13 12:16:17 +08:00
; RUN: opt < %s -instcombine -S -mtriple "i386-pc-linux" | FileCheck -check-prefix=DO-SIMPLIFY %s
; RUN: opt < %s -instcombine -S -mtriple "i386-pc-win32" | FileCheck -check-prefix=DONT-SIMPLIFY %s
; RUN: opt < %s -instcombine -S -mtriple "x86_64-pc-win32" | FileCheck -check-prefix=C89-SIMPLIFY %s
; RUN: opt < %s -instcombine -S -mtriple "i386-pc-mingw32" | FileCheck -check-prefix=DO-SIMPLIFY %s
; RUN: opt < %s -instcombine -S -mtriple "x86_64-pc-mingw32" | FileCheck -check-prefix=DO-SIMPLIFY %s
; RUN: opt < %s -instcombine -S -mtriple "sparc-sun-solaris" | FileCheck -check-prefix=DO-SIMPLIFY %s
; DO-SIMPLIFY: call float @floorf(
; DO-SIMPLIFY: call float @ceilf(
; DO-SIMPLIFY: call float @roundf(
; DO-SIMPLIFY: call float @nearbyintf(
; DO-SIMPLIFY: call float @truncf(
; DO-SIMPLIFY: call float @fabsf(
; C89-SIMPLIFY: call float @floorf(
; C89-SIMPLIFY: call float @ceilf(
; C89-SIMPLIFY: call double @round(
; C89-SIMPLIFY: call double @nearbyint(
; DONT-SIMPLIFY: call double @floor(
; DONT-SIMPLIFY: call double @ceil(
; DONT-SIMPLIFY: call double @round(
; DONT-SIMPLIFY: call double @nearbyint(
; DONT-SIMPLIFY: call double @trunc(
; DONT-SIMPLIFY: call double @fabs(
declare double @floor(double)
declare double @ceil(double)
declare double @round(double)
declare double @nearbyint(double)
declare double @trunc(double)
declare double @fabs(double)
define float @test_floor(float %C) {
%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_ceil(float %C) {
%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_round(float %C) {
%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_nearbyint(float %C) {
%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_trunc(float %C) {
%D = fpext float %C to double
; --> truncf
%E = call double @trunc(double %D)
%F = fptrunc double %E to float
ret float %F
}
define float @test_fabs(float %C) {
%D = fpext float %C to double
; --> fabsf
%E = call double @fabs(double %D)
%F = fptrunc double %E to float
ret float %F
}