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authorDan Gohman <gohman@apple.com>2009-04-28 22:05:13 +0000
committerDan Gohman <gohman@apple.com>2009-04-28 22:05:13 +0000
commitce66c6114fe347aefcd74ca55f73379feaf190fc (patch)
tree27cc4b939e805609d954d482a47c8e6bc8a0539f /test/Transforms/LoopSimplify
parentcab9cf01ce1d83b61c30d2283556cea12e492e5b (diff)
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As with r70333, give the primary induction variable a use so
that it can't be trivially eliminated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70334 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/LoopSimplify')
-rw-r--r--test/Transforms/LoopSimplify/single-backedge.ll3
1 files changed, 2 insertions, 1 deletions
diff --git a/test/Transforms/LoopSimplify/single-backedge.ll b/test/Transforms/LoopSimplify/single-backedge.ll
index 0c09b9e..8391048 100644
--- a/test/Transforms/LoopSimplify/single-backedge.ll
+++ b/test/Transforms/LoopSimplify/single-backedge.ll
@@ -8,7 +8,8 @@ define i32 @test(i1 %C) {
; <label>:0
br label %Loop
Loop: ; preds = %BE2, %BE1, %0
- %IV = phi i32 [ 1, %0 ], [ %IV2, %BE1 ], [ %IV2, %BE2 ] ; <i32> [#uses=1]
+ %IV = phi i32 [ 1, %0 ], [ %IV2, %BE1 ], [ %IV2, %BE2 ] ; <i32> [#uses=2]
+ store i32 %IV, i32* null
%IV2 = add i32 %IV, 2 ; <i32> [#uses=2]
br i1 %C, label %BE1, label %BE2
BE1: ; preds = %Loop