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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=i686-- -mattr=sse2 | FileCheck %s --check-prefixes=ALL,OPT3; RUN: llc < %s -mtriple=i686-- -mattr=sse2 -O0 | FileCheck %s --check-prefixes=ALL,NOOPT4 5@x = external dso_local global double6 7define void @foo() nounwind {8; OPT-LABEL: foo:9; OPT: # %bb.0:10; OPT-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero11; OPT-NEXT: xorps %xmm0, %xmm012; OPT-NEXT: movsd %xmm0, x13; OPT-NEXT: movsd %xmm0, x14; OPT-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero15; OPT-NEXT: retl16;17; NOOPT-LABEL: foo:18; NOOPT: # %bb.0:19; NOOPT-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero20; NOOPT-NEXT: xorps %xmm0, %xmm021; NOOPT-NEXT: movsd %xmm0, x22; NOOPT-NEXT: xorps %xmm0, %xmm023; NOOPT-NEXT: movsd %xmm0, x24; NOOPT-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero25; NOOPT-NEXT: retl26 %a = load volatile double, ptr @x27 store volatile double 0.0, ptr @x28 store volatile double 0.0, ptr @x29 %b = load volatile double, ptr @x30 ret void31}32 33define void @bar() nounwind {34; ALL-LABEL: bar:35; ALL: # %bb.0:36; ALL-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero37; ALL-NEXT: retl38 %c = load volatile double, ptr @x39 ret void40}41