llvm-project/llvm/test/Transforms/LICM/2011-04-06-PromoteResultOfP...

40 lines
1.0 KiB
LLVM

; RUN: opt < %s -tbaa -licm -S | FileCheck %s
; PR9634
@g_58 = common global i32 0, align 4
@g_116 = common global i32* null, align 8
define void @f() nounwind {
; CHECK: entry:
; CHECK: alloca [9 x i16]
; CHECK: load i32, i32* @g_58
; CHECK: br label %for.body
entry:
%l_87.i = alloca [9 x i16], align 16
br label %for.body
for.body: ; preds = %entry, %for.inc
%inc12 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
store i32* @g_58, i32** @g_116, align 8, !tbaa !0
%tmp2 = load i32*, i32** @g_116, align 8, !tbaa !0
%tmp3 = load i32, i32* %tmp2, !tbaa !4
%or = or i32 %tmp3, 10
store i32 %or, i32* %tmp2, !tbaa !4
%inc = add nsw i32 %inc12, 1
%cmp = icmp slt i32 %inc, 4
br i1 %cmp, label %for.body, label %for.end
for.end: ; preds = %for.inc
ret void
}
!0 = !{!5, !5, i64 0}
!1 = !{!"omnipotent char", !2}
!2 = !{!"Simple C/C++ TBAA"}
!3 = !{!"short", !1}
!4 = !{!6, !6, i64 0}
!5 = !{!"any pointer", !1}
!6 = !{!"int", !1}