diff options
| -rw-r--r-- | lib/CodeGen/ProcessImplicitDefs.cpp | 2 | ||||
| -rw-r--r-- | test/CodeGen/X86/2010-02-03-DualUndef.ll | 27 |
2 files changed, 28 insertions, 1 deletions
diff --git a/lib/CodeGen/ProcessImplicitDefs.cpp b/lib/CodeGen/ProcessImplicitDefs.cpp index a00f4507af..a0a781bf08 100644 --- a/lib/CodeGen/ProcessImplicitDefs.cpp +++ b/lib/CodeGen/ProcessImplicitDefs.cpp @@ -264,8 +264,8 @@ bool ProcessImplicitDefs::runOnMachineFunction(MachineFunction &fn) { } } RUses.clear(); + ModInsts.clear(); } - ModInsts.clear(); ImpDefRegs.clear(); ImpDefMIs.clear(); } diff --git a/test/CodeGen/X86/2010-02-03-DualUndef.ll b/test/CodeGen/X86/2010-02-03-DualUndef.ll new file mode 100644 index 0000000000..d116ecc6bd --- /dev/null +++ b/test/CodeGen/X86/2010-02-03-DualUndef.ll @@ -0,0 +1,27 @@ +; RUN: llc < %s -march=x86-64 +; PR6086 +define fastcc void @prepOutput() nounwind { +bb: ; preds = %output.exit + br label %bb.i1 + +bb.i1: ; preds = %bb7.i, %bb + br i1 undef, label %bb7.i, label %bb.nph.i + +bb.nph.i: ; preds = %bb.i1 + br label %bb3.i + +bb3.i: ; preds = %bb5.i6, %bb.nph.i + %tmp10.i = trunc i64 undef to i32 ; <i32> [#uses=1] + br i1 undef, label %bb4.i, label %bb5.i6 + +bb4.i: ; preds = %bb3.i + br label %bb5.i6 + +bb5.i6: ; preds = %bb4.i, %bb3.i + %0 = phi i32 [ undef, %bb4.i ], [ undef, %bb3.i ] ; <i32> [#uses=1] + %1 = icmp slt i32 %0, %tmp10.i ; <i1> [#uses=1] + br i1 %1, label %bb7.i, label %bb3.i + +bb7.i: ; preds = %bb5.i6, %bb.i1 + br label %bb.i1 +} |