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path: root/lib/Target/X86/X86FastISel.cpp
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Diffstat (limited to 'lib/Target/X86/X86FastISel.cpp')
-rw-r--r--lib/Target/X86/X86FastISel.cpp9
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/Target/X86/X86FastISel.cpp b/lib/Target/X86/X86FastISel.cpp
index 2c92961452..77e67a1740 100644
--- a/lib/Target/X86/X86FastISel.cpp
+++ b/lib/Target/X86/X86FastISel.cpp
@@ -1084,7 +1084,14 @@ bool X86FastISel::X86SelectBranch(const Instruction *I) {
if (OpReg == 0) return false;
BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(TestOpc))
.addReg(OpReg).addImm(1);
- BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(X86::JNE_4))
+
+ unsigned JmpOpc = X86::JNE_4;
+ if (FuncInfo.MBB->isLayoutSuccessor(TrueMBB)) {
+ std::swap(TrueMBB, FalseMBB);
+ JmpOpc = X86::JE_4;
+ }
+
+ BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(JmpOpc))
.addMBB(TrueMBB);
FastEmitBranch(FalseMBB, DL);
FuncInfo.MBB->addSuccessor(TrueMBB);