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| author | Tom Stellard <thomas.stellard@amd.com> | 2013-10-02 17:04:59 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2013-10-02 17:04:59 +0000 |
| commit | af7ae9d6890ce5fae27e38ccebb5da09288c49e0 (patch) | |
| tree | ac60a2aa5ba85017bed86412421a330bbb768077 /test/Transforms | |
| parent | ea246d6af8f112001c8b13ffcc9c4fcc6ad992a2 (diff) | |
| download | external_llvm-af7ae9d6890ce5fae27e38ccebb5da09288c49e0.zip external_llvm-af7ae9d6890ce5fae27e38ccebb5da09288c49e0.tar.gz external_llvm-af7ae9d6890ce5fae27e38ccebb5da09288c49e0.tar.bz2 | |
StructurizeCFG: Add dependency on LowerSwitch pass
Switch instructions were crashing the StructurizeCFG pass, and it's
probably easier anyway if we don't need to handle them in this pass.
Reviewed-by: Christian König <christian.koenig@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191841 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/StructurizeCFG/switch.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/Transforms/StructurizeCFG/switch.ll b/test/Transforms/StructurizeCFG/switch.ll new file mode 100644 index 0000000..316df57 --- /dev/null +++ b/test/Transforms/StructurizeCFG/switch.ll @@ -0,0 +1,23 @@ +; RUN: opt -S -structurizecfg %s -o - | FileCheck %s + +; The structurizecfg pass cannot handle switch instructions, so we need to +; make sure the lower switch pass is always run before structurizecfg. + +; CHECK-LABEL: @switch +define void @switch(i32 addrspace(1)* %out, i32 %cond) nounwind { +entry: +; CHECK: icmp + switch i32 %cond, label %done [ i32 0, label %zero] + +; CHECK: zero: +zero: +; CHECK: store i32 7, i32 addrspace(1)* %out + store i32 7, i32 addrspace(1)* %out +; CHECK: br label %done + br label %done + +; CHECK: done: +done: +; CHECK: ret void + ret void +} |