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author | Owen Anderson <resistor@mac.com> | 2007-07-25 22:19:40 +0000 |
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committer | Owen Anderson <resistor@mac.com> | 2007-07-25 22:19:40 +0000 |
commit | 9f435740b1c652926c80529e00c92925a3196d79 (patch) | |
tree | 7fe18e71c99fd9748f78e43f502506c21b29f6b8 /test/Transforms/GVN/2007-07-25-NestedLoop.ll | |
parent | 0d16988690c44f2d7b3983dbf56739d83fb5fdfe (diff) | |
download | llvm-9f435740b1c652926c80529e00c92925a3196d79.tar.gz llvm-9f435740b1c652926c80529e00c92925a3196d79.tar.bz2 llvm-9f435740b1c652926c80529e00c92925a3196d79.tar.xz |
My last commit was not correct for nested loops. Fix it, and add a testcase for it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40498 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/GVN/2007-07-25-NestedLoop.ll')
-rw-r--r-- | test/Transforms/GVN/2007-07-25-NestedLoop.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/Transforms/GVN/2007-07-25-NestedLoop.ll b/test/Transforms/GVN/2007-07-25-NestedLoop.ll new file mode 100644 index 0000000000..cebaaa39be --- /dev/null +++ b/test/Transforms/GVN/2007-07-25-NestedLoop.ll @@ -0,0 +1,38 @@ +; RUN: llvm-as < %s | opt -gvn | llvm-dis + + %struct.TypHeader = type { i32, %struct.TypHeader**, [3 x i8], i8 } + +define %struct.TypHeader* @LtRec(%struct.TypHeader* %hdL, %struct.TypHeader* %hdR) { +entry: + br i1 false, label %bb556.preheader, label %bb534.preheader + +bb534.preheader: ; preds = %entry + ret %struct.TypHeader* null + +bb556.preheader: ; preds = %entry + %tmp56119 = getelementptr %struct.TypHeader* %hdR, i32 0, i32 0 ; <i32*> [#uses=1] + %tmp56220 = load i32* %tmp56119 ; <i32> [#uses=0] + br i1 false, label %bb.nph23, label %bb675.preheader + +bb.nph23: ; preds = %bb556.preheader + ret %struct.TypHeader* null + +bb656: ; preds = %bb675.outer, %bb656 + %tmp678 = load i32* %tmp677 ; <i32> [#uses=0] + br i1 false, label %bb684, label %bb656 + +bb684: ; preds = %bb675.outer, %bb656 + br i1 false, label %bb924.preheader, label %bb675.outer + +bb675.outer: ; preds = %bb675.preheader, %bb684 + %tmp67812 = load i32* %tmp67711 ; <i32> [#uses=0] + br i1 false, label %bb684, label %bb656 + +bb675.preheader: ; preds = %bb556.preheader + %tmp67711 = getelementptr %struct.TypHeader* %hdR, i32 0, i32 0 ; <i32*> [#uses=1] + %tmp677 = getelementptr %struct.TypHeader* %hdR, i32 0, i32 0 ; <i32*> [#uses=1] + br label %bb675.outer + +bb924.preheader: ; preds = %bb684 + ret %struct.TypHeader* null +} |