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| author | Chris Lattner <sabre@nondot.org> | 2004-04-21 22:29:37 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-04-21 22:29:37 +0000 |
| commit | fb9a299f68a0a81c2decc791c891da5f563be18f (patch) | |
| tree | a70f8e34ef8d69194a4a811ed611b9061d1173e3 /llvm/lib | |
| parent | dc7cc350889acf51bd1aa9a6b0165f0b7dde6912 (diff) | |
| download | bcm5719-llvm-fb9a299f68a0a81c2decc791c891da5f563be18f.tar.gz bcm5719-llvm-fb9a299f68a0a81c2decc791c891da5f563be18f.zip | |
This code really wants to iterate over the OPERANDS of an instruction, not
over its USES. If it's dead it doesn't have any uses! :)
Thanks to the fabulous and mysterious Bill Wendling for pointing this out. :)
llvm-svn: 13102
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/DCE.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Scalar/DCE.cpp b/llvm/lib/Transforms/Scalar/DCE.cpp index 8d0b1db6502..36e662ac2fb 100644 --- a/llvm/lib/Transforms/Scalar/DCE.cpp +++ b/llvm/lib/Transforms/Scalar/DCE.cpp @@ -92,9 +92,8 @@ bool DCE::runOnFunction(Function &F) { // instructions being used, add them to the worklist, because they might // go dead after this one is removed. // - for (User::use_iterator UI = I->use_begin(), UE = I->use_end(); - UI != UE; ++UI) - if (Instruction *Used = dyn_cast<Instruction>(*UI)) + for (User::op_iterator OI = I->op_begin(), E = I->op_end(); OI != E; ++OI) + if (Instruction *Used = dyn_cast<Instruction>(*OI)) WorkList.push_back(Used); // Tell the instruction to let go of all of the values it uses... |
