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| author | Chris Lattner <sabre@nondot.org> | 2004-05-20 20:25:50 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-05-20 20:25:50 +0000 |
| commit | 83c139d575f1132a0bff23da6831a0169668b0e8 (patch) | |
| tree | 0fd25dc51c2f424a3e9544cbb21758886c9d1629 /llvm/lib | |
| parent | 7b7a14d718c192581d0f0085989f1b20f5d457d1 (diff) | |
| download | bcm5719-llvm-83c139d575f1132a0bff23da6831a0169668b0e8.tar.gz bcm5719-llvm-83c139d575f1132a0bff23da6831a0169668b0e8.zip | |
Fix to make the CBE always emit comparisons inline. Hopefully this will
fix the really bad code we're getting on PPC.
llvm-svn: 13609
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/CBackend/Writer.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/CBackend/Writer.cpp b/llvm/lib/Target/CBackend/Writer.cpp index ae3ba809408..6e536f07298 100644 --- a/llvm/lib/Target/CBackend/Writer.cpp +++ b/llvm/lib/Target/CBackend/Writer.cpp @@ -126,6 +126,10 @@ namespace { // printed and an extra copy of the expr is not emitted. // static bool isInlinableInst(const Instruction &I) { + // Always inline setcc instructions, even if they are shared by multiple + // expressions. GCC generates horrible code if we don't. + if (isa<SetCondInst>(I)) return true; + // Must be an expression, must be used exactly once. If it is dead, we // emit it inline where it would go. if (I.getType() == Type::VoidTy || !I.hasOneUse() || |
