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Diffstat (limited to 'test/Transforms/SCCP/phitest.ll')
| -rw-r--r-- | test/Transforms/SCCP/phitest.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/Transforms/SCCP/phitest.ll b/test/Transforms/SCCP/phitest.ll new file mode 100644 index 0000000..4c5c3dc --- /dev/null +++ b/test/Transforms/SCCP/phitest.ll @@ -0,0 +1,20 @@ +; RUN: opt < %s -sccp -dce -simplifycfg -S | not grep br + +define i32 @test(i32 %param) { +entry: + %tmp.1 = icmp ne i32 %param, 0 ; <i1> [#uses=1] + br i1 %tmp.1, label %endif.0, label %else +else: ; preds = %entry + br label %endif.0 +endif.0: ; preds = %else, %entry + %a.0 = phi i32 [ 2, %else ], [ 3, %entry ] ; <i32> [#uses=1] + %b.0 = phi i32 [ 3, %else ], [ 2, %entry ] ; <i32> [#uses=1] + %tmp.5 = add i32 %a.0, %b.0 ; <i32> [#uses=1] + %tmp.7 = icmp ne i32 %tmp.5, 5 ; <i1> [#uses=1] + br i1 %tmp.7, label %UnifiedReturnBlock, label %endif.1 +endif.1: ; preds = %endif.0 + ret i32 0 +UnifiedReturnBlock: ; preds = %endif.0 + ret i32 2 +} + |