llvm-mirror/extractelement-from-arg.ll at d38a639deb843aaad423d299161f8cacda970df5 - llvm-mirror - Gitea: Git with a cup of tea

RPCS3/llvm-mirror

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Evan Cheng 9e15622879 Instead of a vector load, shuffle and then extract an element. Load the element from address with an offset.

pshufd $1, (%rdi), %xmm0
        movd %xmm0, %eax
=>
        movl 4(%rdi), %eax

llvm-svn: 51026

2008-05-13 08:35:03 +00:00

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 ; RUN: llvm-as %s -o - | llc -march=x86-64 -mattr=+sse2
 define void @test(float* %R, <4 x float> %X) nounwind {
 	%tmp = extractelement <4 x float> %X, i32 3
 	store float %tmp, float* %R
 	ret void
 }