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Add a test case for SSE fcopysign using SSE bitwise operations. 

llvm-svn: 32901
This commit is contained in:
Evan Cheng 2007-01-05 08:12:59 +00:00
parent 4363e884c0
commit e8345f2445
1 changed files with 18 additions and 0 deletions
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llvm/test/Regression/CodeGen/X86/sse-fcopysign.ll Normal file
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; RUN: llvm-as | llc -march=x86 -mattr=+sse2 &&
; RUN: llvm-as | llc -march=x86 -mattr=+sse2 | grep pslldq | wc -l | grep 1 &&
; RUN: llvm-as | llc -march=x86 -mattr=+sse2 | not getp test
define float %test1(float %a, float %b) {
%tmp = tail call float %copysignf( float %b, float %a )
ret float %tmp
}
define double %test2(double %a, float %b, float %c) {
%tmp1 = add float %b, %c
%tmp2 = fpext float %tmp1 to double
%tmp = tail call double %copysign( double %a, double %tmp2 )
ret double %tmp
}
declare float %copysignf(float, float)
declare double %copysign(double, double)