; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; RUN: opt -passes='require<loops>,newgvn' -S < %s | FileCheck %s
; This used to fail with ASAN enabled and if for some reason LoopInfo remained
; available during GVN. In this case BasicAA will use LI but
; MergeBlockIntoPredecessor in GVN failed to update LI.
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
%struct.wibble.1028 = type { i32, i32, %struct.barney.881 }
%struct.barney.881 = type { %struct.zot.882 }
%struct.zot.882 = type { [64 x i8] }
; Function Attrs: argmemonly
declare void @snork.1(ptr) local_unnamed_addr #0
define hidden zeroext i1 @eggs(ptr %arg, i1 %arg2) unnamed_addr align 2 {
; CHECK-LABEL: define hidden zeroext i1 @eggs(
; CHECK-SAME: ptr [[ARG:%.*]], i1 [[ARG2:%.*]]) unnamed_addr align 2 {
; CHECK-NEXT: bb:
; CHECK-NEXT: br i1 [[ARG2]], label [[BB14:%.*]], label [[BB3:%.*]]
; CHECK: bb3:
; CHECK-NEXT: [[TMP:%.*]] = getelementptr inbounds [[STRUCT_WIBBLE_1028:%.*]], ptr [[ARG]], i64 0, i32 2, i32 0, i32 0, i64 0
; CHECK-NEXT: br label [[BB6:%.*]]
; CHECK: bb6:
; CHECK-NEXT: br label [[BB7:%.*]]
; CHECK: bb7:
; CHECK-NEXT: br i1 undef, label [[BB11:%.*]], label [[BB8:%.*]]
; CHECK: bb8:
; CHECK-NEXT: [[TMP9:%.*]] = load ptr, ptr [[TMP]], align 8
; CHECK-NEXT: br label [[BB12:%.*]]
; CHECK: bb11:
; CHECK-NEXT: br label [[BB12]]
; CHECK: bb12:
; CHECK-NEXT: [[TMP13:%.*]] = phi ptr [ [[TMP]], [[BB11]] ], [ [[TMP9]], [[BB8]] ]
; CHECK-NEXT: call void @snork.1(ptr [[TMP13]]) #[[ATTR1:[0-9]+]]
; CHECK-NEXT: br label [[BB6]]
; CHECK: bb14:
; CHECK-NEXT: ret i1 false
;
bb:
br i1 %arg2, label %bb14, label %bb3
bb3: ; preds = %bb
%tmp = getelementptr inbounds %struct.wibble.1028, ptr %arg, i64 0, i32 2, i32 0, i32 0, i64 0
br label %bb6
bb6: ; preds = %bb12, %bb3
br label %bb7
bb7: ; preds = %bb6
br i1 undef, label %bb11, label %bb8
bb8: ; preds = %bb7
%tmp9 = load ptr, ptr %tmp, align 8
br label %bb12
bb11: ; preds = %bb7
br label %bb12
bb12: ; preds = %bb11, %bb8
%tmp13 = phi ptr [ %tmp, %bb11 ], [ %tmp9, %bb8 ]
call void @snork.1(ptr %tmp13) #1
br label %bb6
bb14: ; preds = %bb
ret i1 false
}
attributes #0 = { argmemonly }
attributes #1 = { nounwind }
Codebase Browser
llvm