[llvm-commits] [llvm] r40650 - in /llvm/trunk: lib/Transforms/Scalar/GVN.cpp test/Transforms/GVN/2007-07-31-RedundantPhi.ll
Owen Anderson
resistor at mac.com
Tue Jul 31 13:18:28 PDT 2007
Author: resistor
Date: Tue Jul 31 15:18:28 2007
New Revision: 40650
URL: http://llvm.org/viewvc/llvm-project?rev=40650&view=rev
Log:
Fix a failure I accidentally caused in my last commit by mishandling the
removal of redundant phis.
Added:
llvm/trunk/test/Transforms/GVN/2007-07-31-RedundantPhi.ll
Modified:
llvm/trunk/lib/Transforms/Scalar/GVN.cpp
Modified: llvm/trunk/lib/Transforms/Scalar/GVN.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/GVN.cpp?rev=40650&r1=40649&r2=40650&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/GVN.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/GVN.cpp Tue Jul 31 15:18:28 2007
@@ -747,6 +747,8 @@
PN->replaceAllUsesWith(first);
PN->eraseFromParent();
+ Phis[BB] = first;
+
return first;
}
Added: llvm/trunk/test/Transforms/GVN/2007-07-31-RedundantPhi.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/GVN/2007-07-31-RedundantPhi.ll?rev=40650&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/GVN/2007-07-31-RedundantPhi.ll (added)
+++ llvm/trunk/test/Transforms/GVN/2007-07-31-RedundantPhi.ll Tue Jul 31 15:18:28 2007
@@ -0,0 +1,22 @@
+; RUN: llvm-as < %s | opt -gvn | llvm-dis | not grep {tmp701 =}
+
+ at img_width = external global i16 ; <i16*> [#uses=2]
+
+define i32 @smpUMHEXBipredIntegerPelBlockMotionSearch(i16* %cur_pic, i16 signext %ref, i32 %list, i32 %pic_pix_x, i32 %pic_pix_y, i32 %blocktype, i16 signext %pred_mv_x1, i16 signext %pred_mv_y1, i16 signext %pred_mv_x2, i16 signext %pred_mv_y2, i16* %mv_x, i16* %mv_y, i16* %s_mv_x, i16* %s_mv_y, i32 %search_range, i32 %min_mcost, i32 %lambda_factor) {
+cond_next143: ; preds = %entry
+ store i16 0, i16* @img_width, align 2
+ br i1 false, label %cond_next449, label %cond_false434
+
+cond_false434: ; preds = %cond_true415
+ br label %cond_next449
+
+cond_next449: ; preds = %cond_false434, %cond_true415
+ br i1 false, label %cond_next698, label %cond_false470
+
+cond_false470: ; preds = %cond_next449
+ br label %cond_next698
+
+cond_next698: ; preds = %cond_true492
+ %tmp701 = load i16* @img_width, align 2 ; <i16> [#uses=0]
+ ret i32 0
+}
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