diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/SimplifyCFG/SpeculativeExec.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/SpeculativeExec.ll b/test/Transforms/SimplifyCFG/SpeculativeExec.ll new file mode 100644 index 0000000..2be9124 --- /dev/null +++ b/test/Transforms/SimplifyCFG/SpeculativeExec.ll @@ -0,0 +1,21 @@ +; RUN: llvm-as < %s | opt -simplifycfg | llvm-dis | grep select +; RUN: llvm-as < %s | opt -simplifycfg | llvm-dis | grep br | count 2 + +define i32 @t2(i32 %a, i32 %b, i32 %c) nounwind { +entry: + %tmp1 = icmp eq i32 %b, 0 + br i1 %tmp1, label %bb1, label %bb3 + +bb1: ; preds = %entry + %tmp2 = icmp sgt i32 %c, 1 + br i1 %tmp2, label %bb2, label %bb3 + +bb2: ; preds = bb1 + %tmp3 = add i32 %a, 1 + br label %bb3 + +bb3: ; preds = %bb2, %entry + %tmp4 = phi i32 [ %b, %entry ], [ %a, %bb1 ], [ %tmp3, %bb2 ] + %tmp5 = sub i32 %tmp4, 1 + ret i32 %tmp5 +} |