1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=i686-apple-darwin -mattr=+sse2 | FileCheck %s 3 4define i32 @t() { 5; CHECK-LABEL: t: 6; CHECK: ## %bb.0: ## %entry 7; CHECK-NEXT: xorl %eax, %eax 8; CHECK-NEXT: retl 9entry: 10 br i1 true, label %bb1664, label %bb1656 11bb1656: ; preds = %entry 12 ret i32 0 13bb1664: ; preds = %entry 14 %tmp4297 = bitcast <16 x i8> zeroinitializer to <2 x i64> ; <<2 x i64>> [#uses=2] 15 %tmp4351 = call <16 x i8> @llvm.x86.sse2.pcmpeq.b( <16 x i8> zeroinitializer, <16 x i8> zeroinitializer ) nounwind readnone ; <<16 x i8>> [#uses=0] 16 br i1 false, label %bb5310, label %bb4743 17bb4743: ; preds = %bb1664 18 %tmp4360.not28 = or <2 x i64> zeroinitializer, %tmp4297 ; <<2 x i64>> [#uses=1] 19 br label %bb5310 20bb5310: ; preds = %bb4743, %bb1664 21 %tmp4360.not28.pn = phi <2 x i64> [ %tmp4360.not28, %bb4743 ], [ %tmp4297, %bb1664 ] ; <<2 x i64>> [#uses=1] 22 %tmp4415.not.pn = or <2 x i64> zeroinitializer, %tmp4360.not28.pn ; <<2 x i64>> [#uses=0] 23 ret i32 0 24} 25 26declare <16 x i8> @llvm.x86.sse2.pcmpeq.b(<16 x i8>, <16 x i8>) nounwind readnone 27