1; Checks that case when GEP is bound to trivial PHI node is correctly handled.
2; RUN: opt %s -mtriple=aarch64-linux-gnu -codegenprepare -S -o - | FileCheck %s
3
4; CHECK:      define void @crash([65536 x i32]** %s, i32 %n) {
5; CHECK-NEXT: entry:
6; CHECK-NEXT:   %struct = load [65536 x i32]*, [65536 x i32]** %s
7; CHECK-NEXT:   %gep0 = getelementptr [65536 x i32], [65536 x i32]* %struct, i64 0, i32 20000
8; CHECK-NEXT:   store i32 %n, i32* %gep0
9; CHECK-NEXT:   ret void
10; CHECK-NEXT: }
11
12define void @crash([65536 x i32]** %s, i32 %n) {
13entry:
14  %struct = load [65536 x i32]*, [65536 x i32]** %s
15  %cmp = icmp slt i32 0, %n
16  br i1 %cmp, label %baz, label %bar
17baz:
18  br label %bar
19
20foo:
21  %gep0 = getelementptr [65536 x i32], [65536 x i32]* %phi2, i64 0, i32 20000
22  br label %st
23
24st:
25  store i32 %n, i32* %gep0
26  br label %out
27
28bar:
29  %phi2 = phi [65536 x i32]* [ %struct, %baz ], [ %struct, %entry ]
30  br label %foo
31out:
32  ret void
33}
34