http://llvm.org/bugs/show_bug.cgi?id=7649
Summary: dominance frontier not updated correctly
Product: libraries
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: Loop Optimizer
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
With llvm trunk this fails for me:
> opt -mem2reg -indvars /tmp/bug.ll -verify-dom-info
opt: lib/VMCore/Dominators.cpp:119: virtual void
llvm::DominanceFrontier::verifyAnalysis() const: Assertion `!compare(OtherDF)
&& "Invalid DominanceFrontier info!"' failed.
Stack dump:
0. Program arguments: opt -mem2reg -indvars /tmp/bug.ll -verify-dom-info
1. Running pass 'Function Pass Manager' on module '/tmp/bug.ll'.
2. Running pass 'Loop Pass Manager' on function '@VBR_iteration_loop_new'
zsh: abort opt -mem2reg -indvars /tmp/bug.ll -verify-dom-info
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