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| author | Dan Gohman <dan433584@gmail.com> | 2015-12-08 03:30:42 +0000 |
|---|---|---|
| committer | Dan Gohman <dan433584@gmail.com> | 2015-12-08 03:30:42 +0000 |
| commit | d70e5907cdaf2dd7a7a40043278d3b9589dec9bb (patch) | |
| tree | 281f4ebe96f9fd83b3d0b6a4ade6b11e25270917 /llvm/lib/Target/WebAssembly/WebAssemblyRegStackify.cpp | |
| parent | a8551b4d7e4b3c25e0f0d44115502d0c63abe13e (diff) | |
| download | llvm-d70e5907cdaf2dd7a7a40043278d3b9589dec9bb.zip llvm-d70e5907cdaf2dd7a7a40043278d3b9589dec9bb.tar.gz llvm-d70e5907cdaf2dd7a7a40043278d3b9589dec9bb.tar.bz2 | |
[WebAssembly] Assert MRI.isSSA() in passes that depend on SSA form.
llvm-svn: 254995
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyRegStackify.cpp')
| -rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyRegStackify.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyRegStackify.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyRegStackify.cpp index ac016a7..9fbde70 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyRegStackify.cpp +++ b/llvm/lib/Target/WebAssembly/WebAssemblyRegStackify.cpp @@ -127,6 +127,8 @@ bool WebAssemblyRegStackify::runOnMachineFunction(MachineFunction &MF) { WebAssemblyFunctionInfo &MFI = *MF.getInfo<WebAssemblyFunctionInfo>(); AliasAnalysis &AA = getAnalysis<AAResultsWrapperPass>().getAAResults(); + assert(MRI.isSSA() && "RegStackify depends on SSA form"); + // Walk the instructions from the bottom up. Currently we don't look past // block boundaries, and the blocks aren't ordered so the block visitation // order isn't significant, but we may want to change this in the future. |