llvm.org GIT mirror llvm / release_39 test / CodeGen / X86 / pr2585.ll
release_39

Tree @release_39 (Download .tar.gz)

pr2585.ll @release_39raw · history · blame

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X32
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X64

@0 = external constant <4 x i32>		; <<4 x i32>*>:0 [#uses=1]
@1 = external constant <4 x i16>		; <<4 x i16>*>:1 [#uses=1]

define internal void @PR2585() {
; X32-LABEL: PR2585:
; X32:       # BB#0:
; X32-NEXT:    pshuflw {{.*#+}} xmm0 = mem[0,2,2,3,4,5,6,7]
; X32-NEXT:    pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,4,6,6,7]
; X32-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
; X32-NEXT:    movq %xmm0, __unnamed_2
; X32-NEXT:    retl
;
; X64-LABEL: PR2585:
; X64:       # BB#0:
; X64-NEXT:    pshuflw {{.*#+}} xmm0 = mem[0,2,2,3,4,5,6,7]
; X64-NEXT:    pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,4,6,6,7]
; X64-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
; X64-NEXT:    movq %xmm0, {{.*}}(%rip)
; X64-NEXT:    retq
	load <4 x i32>, <4 x i32>* @0, align 16		; <<4 x i32>>:1 [#uses=1]
	bitcast <4 x i32> %1 to <8 x i16>		; <<8 x i16>>:2 [#uses=1]
	shufflevector <8 x i16> %2, <8 x i16> undef, <8 x i32> < i32 0, i32 2, i32 4, i32 6, i32 undef, i32 undef, i32 undef, i32 undef >		; <<8 x i16>>:3 [#uses=1]
	bitcast <8 x i16> %3 to <2 x i64>		; <<2 x i64>>:4 [#uses=1]
	extractelement <2 x i64> %4, i32 0		; <i64>:5 [#uses=1]
	bitcast i64 %5 to <4 x i16>		; <<4 x i16>>:6 [#uses=1]
	store <4 x i16> %6, <4 x i16>* @1, align 8
	ret void
}