34 lines
936 B
LLVM
34 lines
936 B
LLVM
; Checks that case when GEP is bound to trivial PHI node is correctly handled.
|
|
; RUN: opt %s -mtriple=aarch64-linux-gnu -codegenprepare -S -o - | FileCheck %s
|
|
|
|
; CHECK: define void @crash([65536 x i32]** %s, i32 %n) {
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: %struct = load [65536 x i32]*, [65536 x i32]** %s
|
|
; CHECK-NEXT: %gep0 = getelementptr [65536 x i32], [65536 x i32]* %struct, i64 0, i32 20000
|
|
; CHECK-NEXT: store i32 %n, i32* %gep0
|
|
; CHECK-NEXT: ret void
|
|
; CHECK-NEXT: }
|
|
|
|
define void @crash([65536 x i32]** %s, i32 %n) {
|
|
entry:
|
|
%struct = load [65536 x i32]*, [65536 x i32]** %s
|
|
%cmp = icmp slt i32 0, %n
|
|
br i1 %cmp, label %baz, label %bar
|
|
baz:
|
|
br label %bar
|
|
|
|
foo:
|
|
%gep0 = getelementptr [65536 x i32], [65536 x i32]* %phi2, i64 0, i32 20000
|
|
br label %st
|
|
|
|
st:
|
|
store i32 %n, i32* %gep0
|
|
br label %out
|
|
|
|
bar:
|
|
%phi2 = phi [65536 x i32]* [ %struct, %baz ], [ %struct, %entry ]
|
|
br label %foo
|
|
out:
|
|
ret void
|
|
}
|