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[SDAG] Fix Stale SDNode usage in visitAND
Reorder CombineTo Calls to prevent potential use of deleted node. Fixes PR32372. Reviewers: jnspaulsson, RKSimon, uweigand, jonpa Reviewed By: jonpa Subscribers: jonpa, llvm-commits Differential Revision: https://reviews.llvm.org/D31346 llvm-svn: 298920
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,31 @@ | ||
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | ||
; RUN: llc %s -o - -mtriple=s390x-linux-gnu | FileCheck %s | ||
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define void @pr32372(i8*) { | ||
; CHECK-LABEL: pr32372: | ||
; CHECK: # BB#0: # %BB | ||
; CHECK-NEXT: llc %r1, 0(%r2) | ||
; CHECK-NEXT: mvhhi 0(%r1), -3825 | ||
; CHECK-NEXT: llill %r0, 0 | ||
; CHECK-NEXT: dlr %r0, %r1 | ||
; CHECK-NEXT: .LBB0_1: # %CF251 | ||
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 | ||
; CHECK-NEXT: j .LBB0_1 | ||
BB: | ||
%L = load i8, i8* %0 | ||
store i16 -3825, i16* undef | ||
%L5 = load i8, i8* %0 | ||
%B9 = urem i8 %L5, %L | ||
%I107 = insertelement <8 x i8> zeroinitializer, i8 %B9, i32 7 | ||
%ZE141 = zext i8 %L5 to i16 | ||
br label %CF251 | ||
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CF251: ; preds = %CF258, %CF251, %BB | ||
%Shuff217 = shufflevector <8 x i8> zeroinitializer, <8 x i8> %I107, <8 x i32> <i32 0, i32 2, i32 undef, i32 6, i32 8, i32 undef, i32 12, i32 14> | ||
%Cmp227 = icmp sge i16 %ZE141, 0 | ||
br i1 %Cmp227, label %CF251, label %CF258 | ||
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CF258: ; preds = %CF251 | ||
%Shuff230 = shufflevector <2 x i16> undef, <2 x i16> undef, <2 x i32> <i32 3, i32 1> | ||
br label %CF251 | ||
} |