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Diffstat (limited to 'test/Transforms/StructurizeCFG/switch.ll')
-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 0000000000..316df57ea7 --- /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 +} |