llvm-for-llvmta/test/CodeGen/X86/vec_shift7.ll

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2022-04-25 10:02:23 +02:00
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86
; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X64
; Verify that we don't fail when shift by zero is encountered.
define i64 @test1(<2 x i64> %a) {
; X86-LABEL: test1:
; X86: # %bb.0: # %entry
; X86-NEXT: movd %xmm0, %eax
; X86-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,1,1,1]
; X86-NEXT: movd %xmm0, %edx
; X86-NEXT: retl
;
; X64-LABEL: test1:
; X64: # %bb.0: # %entry
; X64-NEXT: movq %xmm0, %rax
; X64-NEXT: retq
entry:
%c = shl <2 x i64> %a, <i64 0, i64 2>
%d = extractelement <2 x i64> %c, i32 0
ret i64 %d
}