From e617474b8d1bd14b928a4b96329c726e477bfdf1 Mon Sep 17 00:00:00 2001 From: Bill Wendling Date: Thu, 19 Oct 2006 23:21:59 +0000 Subject: [PATCH] Testcase for P926 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31058 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../2006-10-19-SwitchUnnecessaryBranching.ll | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 test/CodeGen/X86/2006-10-19-SwitchUnnecessaryBranching.ll 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 00000000000..4c1a94623eb --- /dev/null +++ b/test/CodeGen/X86/2006-10-19-SwitchUnnecessaryBranching.ll @@ -0,0 +1,27 @@ +; RUN: llvm-as < %s | llc -march=x86 | %prcontext "jg LBB1_5" 1 | grep "LBB1_4:" + +%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) ) ; [#uses=0] + ret int 0 + +bb2: ; preds = %entry + %tmp4 = tail call int (sbyte*, ...)* %printf( sbyte* getelementptr ([13 x sbyte]* %str, int 0, uint 0) ) ; [#uses=0] + ret int 0 + +UnifiedReturnBlock: ; preds = %entry + ret int 0 +} + +declare int %printf(sbyte*, ...) -- 2.34.1