Author: resistor
Date: Tue Jul 3 23:51:16 2007
New Revision: 37868
URL: http://llvm.org/viewvc/llvm-project?rev=37868&view=rev
Log:
Fix an error in phi translation of GEPs that was causing failures.
Added:
llvm/trunk/test/Transforms/GVNPRE/2007-07-03-PhiTranslateGEP.ll
Modified:
llvm/trunk/lib/Transforms/Scalar/GVNPRE.cpp
Modified: llvm/trunk/lib/Transforms/Scalar/GVNPRE.cpp
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/GVNPRE.cpp?rev=37868&r1=37867&r2=37868&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/GVNPRE.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/GVNPRE.cpp Tue Jul 3 23:51:16 2007
@@ -836,7 +836,7 @@
}
if (newOp1 != U->getPointerOperand() || changed_idx) {
- Instruction* newVal = new GetElementPtrInst(U->getPointerOperand(),
+ Instruction* newVal = new GetElementPtrInst(newOp1,
&newIdx[0], newIdx.size(),
U->getName()+".expr");
Added: llvm/trunk/test/Transforms/GVNPRE/2007-07-03-PhiTranslateGEP.ll
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/GVNPRE/2007-07-03-PhiTranslateGEP.ll?rev=37868&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/GVNPRE/2007-07-03-PhiTranslateGEP.ll (added)
+++ llvm/trunk/test/Transforms/GVNPRE/2007-07-03-PhiTranslateGEP.ll Tue Jul 3
23:51:16 2007
@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | opt -gvnpre | llvm-dis
+
+define i64 @foo({ i32, i32 }** %__v) {
+entry:
+ br label %bb
+
+bb: ; preds = %bb, %entry
+ %__x.066.0 = phi { i32, i32 }* [ null, %entry ], [ null, %bb ]
+ %tmp2.i.i63 = getelementptr { i32, i32 }* %__x.066.0, i32 0, i32 1
+ br i1 false, label %bb, label %cond_true
+
+cond_true: ; preds = %bb
+ ret i64 0
+}
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