llvm/test/Transforms/NewGVN/pr31682.ll
Daniel Berlin a0431ff170 NewGVN: Fix PR 31682, an overactive assert.
Part of the assert has been left active for further debugging.
The other part has been turned into a stat for tracking for the
moment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292583 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-20 06:38:41 +00:00

43 lines
1.5 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -basicaa -newgvn -S | FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
%struct.foo = type { i32, i32, [2 x [4 x [6 x [6 x i16]]]] }
@global = external global %struct.foo*
define void @bar() {
; CHECK-LABEL: @bar(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[TMP:%.*]] = load %struct.foo*, %struct.foo** @global
; CHECK-NEXT: br label [[BB2:%.*]]
; CHECK: bb2:
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr [[STRUCT_FOO:%.*]], %struct.foo* [[TMP]], i64 0, i32 1
; CHECK-NEXT: br i1 undef, label [[BB2]], label [[BB7:%.*]]
; CHECK: bb7:
; CHECK-NEXT: br label [[BB10:%.*]]
; CHECK: bb10:
; CHECK-NEXT: br label [[BB10]]
;
bb:
%tmp = load %struct.foo*, %struct.foo** @global
%tmp1 = getelementptr %struct.foo, %struct.foo* %tmp
br label %bb2
bb2: ; preds = %bb2, %bb
%tmp3 = phi %struct.foo* [ undef, %bb ], [ %tmp6, %bb2 ]
%tmp4 = getelementptr %struct.foo, %struct.foo* %tmp3, i64 0, i32 1
%tmp5 = load i32, i32* %tmp4
%tmp6 = load %struct.foo*, %struct.foo** @global
br i1 undef, label %bb2, label %bb7
bb7: ; preds = %bb2
%tmp8 = phi %struct.foo* [ %tmp6, %bb2 ]
%tmp9 = getelementptr %struct.foo, %struct.foo* %tmp8, i64 0, i32 1
br label %bb10
bb10: ; preds = %bb10, %bb7
%tmp11 = load i32, i32* %tmp9
br label %bb10
}