Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/fabs.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children |
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; Make sure this testcase codegens to the fabs instruction, not a call to fabsf ; RUN: llc < %s -mtriple=i686-apple-macosx -mattr=-sse2,-sse3,-sse | FileCheck %s ; RUN: llc < %s -mtriple=i686-apple-macosx -mattr=-sse,-sse2,-sse3 -enable-unsafe-fp-math -enable-no-nans-fp-math | FileCheck %s --check-prefix=UNSAFE ; RUN: llc < %s -mtriple=x86_64-apple-macosx -O0 | FileCheck %s --check-prefix=NOOPT declare float @fabsf(float) declare x86_fp80 @fabsl(x86_fp80) ; CHECK-LABEL: test1: ; UNSAFE-LABEL: test1: ; NOOPT-LABEL: test1: define float @test1(float %X) { %Y = call float @fabsf(float %X) readnone ret float %Y } ; CHECK: {{^[ \t]+fabs$}} ; UNSAFE: {{^[ \t]+fabs$}} ; CHECK-NOT: fabs ; UNSAFE-NOT: fabs ; NOOPT-NOT: fabsf ; CHECK-LABEL: test2: ; UNSAFE-LABEL: test2: ; NOOPT-LABEL: test2: define double @test2(double %X) { %Y = fcmp oge double %X, -0.0 %Z = fsub double -0.0, %X %Q = select i1 %Y, double %X, double %Z ret double %Q } ; fabs is not used here. ; CHECK-NOT: fabs ; NOOPT-NOT: fabs ; UNSAFE: {{^[ \t]+fabs$}} ; UNSAFE-NOT: fabs ; CHECK-LABEL: test3: ; UNSAFE-LABEL: test3: ; NOOPT-LABEL: test3: define x86_fp80 @test3(x86_fp80 %X) { %Y = call x86_fp80 @fabsl(x86_fp80 %X) readnone ret x86_fp80 %Y } ; CHECK: {{^[ \t]+fabs$}} ; UNSAFE: {{^[ \t]+fabs$}} ; NOOPT: {{^[ \t]+fabs$}} ; CHECK-NOT: fabs ; UNSAFE-NOT: fabs ; NOOPT-NOT: fabs