diff options
Diffstat (limited to 'test/CodeGen/X86/2006-10-19-SwitchUnnecessaryBranching.ll')
| -rw-r--r-- | test/CodeGen/X86/2006-10-19-SwitchUnnecessaryBranching.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2006-10-19-SwitchUnnecessaryBranching.ll b/test/CodeGen/X86/2006-10-19-SwitchUnnecessaryBranching.ll new file mode 100644 index 0000000..f0be2bb --- /dev/null +++ b/test/CodeGen/X86/2006-10-19-SwitchUnnecessaryBranching.ll @@ -0,0 +1,28 @@ +; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 | %prcontext je 1 | \ +; RUN: grep BB1_1: + +%str = internal constant [14 x sbyte] c"Hello world!\0A\00" ; <[14 x sbyte]*> [#uses=1] +%str = internal constant [13 x sbyte] c"Blah world!\0A\00" ; <[13 x sbyte]*> [#uses=1] + +implementation ; Functions: + +int %main(int %argc, sbyte** %argv) { +entry: + switch int %argc, label %UnifiedReturnBlock [ + int 1, label %bb + int 2, label %bb2 + ] + +bb: ; preds = %entry + %tmp1 = tail call int (sbyte*, ...)* %printf( sbyte* getelementptr ([14 x sbyte]* %str, int 0, uint 0) ) ; <int> [#uses=0] + ret int 0 + +bb2: ; preds = %entry + %tmp4 = tail call int (sbyte*, ...)* %printf( sbyte* getelementptr ([13 x sbyte]* %str, int 0, uint 0) ) ; <int> [#uses=0] + ret int 0 + +UnifiedReturnBlock: ; preds = %entry + ret int 0 +} + +declare int %printf(sbyte*, ...) |