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authorChris Lattner <sabre@nondot.org>2004-05-20 20:25:50 +0000
committerChris Lattner <sabre@nondot.org>2004-05-20 20:25:50 +0000
commit433e25a9201a4102adc44b7525382886ddc56417 (patch)
treedcf57dbd13e571bb50a1d11cce2398397fd35aac /lib/Target/CBackend/CBackend.cpp
parentceabd97423f8431f8215f180e21722fc3d221a35 (diff)
Fix to make the CBE always emit comparisons inline. Hopefully this will
fix the really bad code we're getting on PPC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13609 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/CBackend/CBackend.cpp')
-rw-r--r--lib/Target/CBackend/CBackend.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index ae3ba80940..6e536f0729 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.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() ||