mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-22 18:54:02 +01:00
fc1584be52
Summary: Following https://reviews.llvm.org/D82607. Reviewers: ychen Subscribers: asbirlea, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D82688
38 lines
1.3 KiB
LLVM
38 lines
1.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -basic-aa -newgvn -S | FileCheck %s
|
|
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
define void @foo(i32 %arg, i32 %arg1, i32 (i32, i32)* %arg2) {
|
|
; CHECK-LABEL: @foo(
|
|
; CHECK-NEXT: bb:
|
|
; CHECK-NEXT: br label %bb3
|
|
; CHECK: bb3:
|
|
; CHECK-NEXT: [[TMP:%.*]] = phi i32 [ %arg1, %bb ], [ [[TMP:%.*]]4, %bb7 ]
|
|
; CHECK-NEXT: [[TMP4:%.*]] = phi i32 [ %arg, %bb ], [ [[TMP]], %bb7 ]
|
|
; CHECK-NEXT: [[TMP5:%.*]] = call i32 %arg2(i32 [[TMP4]], i32 [[TMP]])
|
|
; CHECK-NEXT: [[TMP6:%.*]] = icmp ne i32 [[TMP5]], 0
|
|
; CHECK-NEXT: br i1 [[TMP6]], label %bb7, label %bb8
|
|
; CHECK: bb7:
|
|
; CHECK-NEXT: br label %bb3
|
|
; CHECK: bb8:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
bb:
|
|
br label %bb3
|
|
|
|
;; While non-standard, llvm allows mutually dependent phi nodes
|
|
;; Ensure we do not infinite loop trying to process them
|
|
bb3: ; preds = %bb7, %bb
|
|
%tmp = phi i32 [ %arg1, %bb ], [ %tmp4, %bb7 ]
|
|
%tmp4 = phi i32 [ %arg, %bb ], [ %tmp, %bb7 ]
|
|
%tmp5 = call i32 %arg2(i32 %tmp4, i32 %tmp)
|
|
%tmp6 = icmp ne i32 %tmp5, 0
|
|
br i1 %tmp6, label %bb7, label %bb8
|
|
|
|
bb7: ; preds = %bb3
|
|
br label %bb3
|
|
|
|
bb8: ; preds = %bb3
|
|
ret void
|
|
}
|