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authorDan Gohman <gohman@apple.com>2010-11-16 21:02:37 +0000
committerDan Gohman <gohman@apple.com>2010-11-16 21:02:37 +0000
commit668ac2fdae69ed358ecf690d6a07428e5a9ee2f7 (patch)
tree9661cd127b92dbd1c3b4c4091ec46b178f155aac /lib/CodeGen/LLVMTargetMachine.cpp
parent342e39f9e55d3f4465748c9ab84bf27df7a92478 (diff)
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Split pseudo-instruction expansion into a separate pass, to make it
easier to debug, and to avoid complications when the CFG changes in the middle of the instruction selection process. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119382 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LLVMTargetMachine.cpp')
-rw-r--r--lib/CodeGen/LLVMTargetMachine.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index 3ba1b89a80..d19b319884 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -345,6 +345,9 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM,
// Print the instruction selected machine code...
printAndVerify(PM, "After Instruction Selection");
+ // Expand pseudo-instructions emitted by isel.
+ PM.add(createExpandPseudosPass());
+
// Optimize PHIs before DCE: removing dead PHI cycles may make more
// instructions dead.
if (OptLevel != CodeGenOpt::None)