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authorMatt Arsenault <Matthew.Arsenault@amd.com>2014-02-11 21:12:38 +0000
committerMatt Arsenault <Matthew.Arsenault@amd.com>2014-02-11 21:12:38 +0000
commit71b71d25eb137a99b213b198e90a831dc3ed8b01 (patch)
treebd15f30d8b54e4ab05d6ec73d005163cbb981578 /llvm/lib/Target/R600/SILowerControlFlow.cpp
parent94fc18d0400d0e779226c4ee065032f0e3b25c15 (diff)
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R600/SI: Fix assertion on infinite loops.
This isn't the most useful case to fix in the real world, but bugpoint runs into this. llvm-svn: 201177
Diffstat (limited to 'llvm/lib/Target/R600/SILowerControlFlow.cpp')
-rw-r--r--llvm/lib/Target/R600/SILowerControlFlow.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Target/R600/SILowerControlFlow.cpp b/llvm/lib/Target/R600/SILowerControlFlow.cpp
index 4b0952f..f6f9016 100644
--- a/llvm/lib/Target/R600/SILowerControlFlow.cpp
+++ b/llvm/lib/Target/R600/SILowerControlFlow.cpp
@@ -283,8 +283,10 @@ void SILowerControlFlowPass::EndCf(MachineInstr &MI) {
}
void SILowerControlFlowPass::Branch(MachineInstr &MI) {
- assert(MI.getOperand(0).getMBB() == MI.getParent()->getNextNode());
- MI.eraseFromParent();
+ if (MI.getOperand(0).getMBB() == MI.getParent()->getNextNode())
+ MI.eraseFromParent();
+
+ // If these aren't equal, this is probably an infinite loop.
}
void SILowerControlFlowPass::Kill(MachineInstr &MI) {