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llvm-project/llvm/test/CodeGen/X86/extractelement-load.ll

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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 16:35:03 +08:00
; RUN: llvm-as %s -o - | llc -march=x86 -mattr=+sse2 -mcpu=yonah | not grep movd
Yonah does not support x86-64. Change the -mcpu value to one that does. llvm-svn: 63561
2009-02-03 06:50:08 +08:00
; RUN: llvm-as %s -o - | llc -march=x86-64 -mattr=+sse2 -mcpu=core2 | not grep movd
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 16:35:03 +08:00
define i32 @t(<2 x i64>* %val) nounwind {
%tmp2 = load <2 x i64>* %val, align 16 ; <<2 x i64>> [#uses=1]
%tmp3 = bitcast <2 x i64> %tmp2 to <4 x i32> ; <<4 x i32>> [#uses=1]
%tmp4 = extractelement <4 x i32> %tmp3, i32 2 ; <i32> [#uses=1]
ret i32 %tmp4
}