diff options
Diffstat (limited to 'test/CodeGen/X86/fabs.ll')
| -rw-r--r-- | test/CodeGen/X86/fabs.ll | 40 |
1 files changed, 33 insertions, 7 deletions
diff --git a/test/CodeGen/X86/fabs.ll b/test/CodeGen/X86/fabs.ll index 9ded7e0..af1867f 100644 --- a/test/CodeGen/X86/fabs.ll +++ b/test/CodeGen/X86/fabs.ll @@ -1,28 +1,54 @@ ; Make sure this testcase codegens to the fabs instruction, not a call to fabsf -; RUN: llc < %s -march=x86 -mattr=-sse2,-sse3,-sse | grep fabs\$ | \ -; RUN: count 2 -; RUN: llc < %s -march=x86 -mattr=-sse,-sse2,-sse3 -enable-unsafe-fp-math -enable-no-nans-fp-math | \ -; RUN: grep fabs\$ | count 3 +; 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: test1: +; UNSAFE: test1: +; NOOPT: test1: define float @test1(float %X) { - %Y = call float @fabsf(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: test2: +; UNSAFE: test2: +; NOOPT: 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$}} +; UNSAFE-NOT: fabs + +; CHECK: test3: +; UNSAFE: test3: +; NOOPT: test3: define x86_fp80 @test3(x86_fp80 %X) { - %Y = call x86_fp80 @fabsl(x86_fp80 %X) + %Y = call x86_fp80 @fabsl(x86_fp80 %X) readnone ret x86_fp80 %Y } +; CHECK: {{^[ \t]+fabs$}} +; UNSAFE: {{^[ \t]+fabs$}} +; NOOPT: {{^[ \t]+fabs$}} - +; CHECK-NOT: fabs +; UNSAFE-NOT: fabs +; NOOPT-NOT: fabs |
