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authorDan Gohman <dan433584@gmail.com>2015-12-08 03:30:42 +0000
committerDan Gohman <dan433584@gmail.com>2015-12-08 03:30:42 +0000
commitd70e5907cdaf2dd7a7a40043278d3b9589dec9bb (patch)
tree281f4ebe96f9fd83b3d0b6a4ade6b11e25270917 /llvm/lib/Target/WebAssembly/WebAssemblyStoreResults.cpp
parenta8551b4d7e4b3c25e0f0d44115502d0c63abe13e (diff)
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[WebAssembly] Assert MRI.isSSA() in passes that depend on SSA form.
llvm-svn: 254995
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyStoreResults.cpp')
-rw-r--r--llvm/lib/Target/WebAssembly/WebAssemblyStoreResults.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyStoreResults.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyStoreResults.cpp
index b67453b..21122ba 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyStoreResults.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyStoreResults.cpp
@@ -72,6 +72,8 @@ bool WebAssemblyStoreResults::runOnMachineFunction(MachineFunction &MF) {
const MachineRegisterInfo &MRI = MF.getRegInfo();
MachineDominatorTree &MDT = getAnalysis<MachineDominatorTree>();
+ assert(MRI.isSSA() && "StoreResults depends on SSA form");
+
for (auto &MBB : MF) {
DEBUG(dbgs() << "Basic Block: " << MBB.getName() << '\n');
for (auto &MI : MBB)