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| author | Dan Gohman <djg@cray.com> | 2007-07-18 16:29:46 +0000 |
|---|---|---|
| committer | Dan Gohman <djg@cray.com> | 2007-07-18 16:29:46 +0000 |
| commit | f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc (patch) | |
| tree | ebb79ea1ee5e3bc1fdf38541a811a8b804f0679a /test/Transforms/SimplifyCFG/DeadSetCC.ll | |
| download | external_llvm-f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc.zip external_llvm-f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc.tar.gz external_llvm-f17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc.tar.bz2 | |
It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/SimplifyCFG/DeadSetCC.ll')
| -rw-r--r-- | test/Transforms/SimplifyCFG/DeadSetCC.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/DeadSetCC.ll b/test/Transforms/SimplifyCFG/DeadSetCC.ll new file mode 100644 index 0000000..ea215e3 --- /dev/null +++ b/test/Transforms/SimplifyCFG/DeadSetCC.ll @@ -0,0 +1,27 @@ +; RUN: llvm-upgrade < %s | llvm-as | opt -simplifycfg | llvm-dis | \ +; RUN: not grep {icmp eq} + +; Check that simplifycfg deletes a dead 'seteq' instruction when it +; folds a conditional branch into a switch instruction. + +declare void %foo() +declare void %bar() + +void %testcfg(uint %V) { + %C = seteq uint %V, 18 + %D = seteq uint %V, 180 + %E = or bool %C, %D + br bool %E, label %L1, label %Sw +Sw: + switch uint %V, label %L1 [ + uint 15, label %L2 + uint 16, label %L2 + ] +L1: + call void %foo() + ret void +L2: + call void %bar() + ret void +} + |