llvm-project/llvm/test/Transforms/JumpThreading/2011-04-14-InfLoop.ll

32 lines
792 B
LLVM

; RUN: opt -jump-threading < %s
; <rdar://problem/9284786>
%0 = type <{ i64, i16, i64, i8, i8 }>
@g_338 = external global %0, align 8
define void @func_1() nounwind ssp {
entry:
ret void
for.cond1177:
%inc1187 = add nsw i32 0, 1
%cmp1179 = icmp slt i32 %inc1187, 5
br i1 %cmp1179, label %for.cond1177, label %land.rhs1320
land.rhs1320:
%tmp1324 = volatile load i64* getelementptr inbounds (%0* @g_338, i64 0, i32 2), align 1, !tbaa !0
br label %if.end.i
if.end.i:
%tobool.pr.i = phi i1 [ false, %if.end.i ], [ false, %land.rhs1320 ]
br i1 %tobool.pr.i, label %return, label %if.end.i
return:
ret void
}
!0 = metadata !{metadata !"long long", metadata !1}
!1 = metadata !{metadata !"omnipotent char", metadata !2}
!2 = metadata !{metadata !"Simple C/C++ TBAA", null}