new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31259 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/Generic/switch-crit-edge-constant.ll b/test/CodeGen/Generic/switch-crit-edge-constant.ll
new file mode 100644 (file)
index 0000000..460354e
--- /dev/null
+++ b/test/CodeGen/Generic/switch-crit-edge-constant.ll
@@ -0,0 +1,55 @@
+; RUN: llvm-as < %s | llc -march=x86 &&
+; RUN: llvm-as < %s | llc -march=x86 | grep 'mov.*str1' | wc -l | grep 1
+; PR925
+
+target endian = little
+target pointersize = 32
+target triple = "i686-apple-darwin8.7.2"
+%str1 = internal constant [5 x sbyte] c"bonk\00"               ; <[5 x sbyte]*> [#uses=1]
+%str2 = internal constant [5 x sbyte] c"bork\00"               ; <[5 x sbyte]*> [#uses=1]
+%str = internal constant [8 x sbyte] c"perfwap\00"             ; <[8 x sbyte]*> [#uses=1]
+
+implementation   ; Functions:
+
+void %foo(int %C) {
+entry:
+       switch int %C, label %bb2 [
+                int 1, label %blahaha
+                int 2, label %blahaha
+                int 3, label %blahaha
+                int 4, label %blahaha
+                int 5, label %blahaha
+                int 6, label %blahaha
+                int 7, label %blahaha
+                int 8, label %blahaha
+                int 9, label %blahaha
+                int 10, label %blahaha
+       ]
+
+bb2:           ; preds = %entry
+       %tmp5 = and int %C, 123         ; <int> [#uses=1]
+       %tmp = seteq int %tmp5, 0               ; <bool> [#uses=1]
+       br bool %tmp, label %blahaha, label %cond_true
+
+cond_true:             ; preds = %bb2
+       br label %blahaha
+
+blahaha:               ; preds = %cond_true, %bb2, %entry, %entry, %entry, %entry, %entry, %entry, %entry, %entry, %entry, %entry
+       %s.0 = phi sbyte* [ getelementptr ([8 x sbyte]* %str, int 0, uint 0), %cond_true ], [ getelementptr ([5 x sbyte]* %str1, int 0, uint 0), %entry ], [ getelementptr ([5 x sbyte]* %str1, int 0, uint 0), %entry ], [ getelementptr ([5 x sbyte]* %str1, int 0, uint 0), %entry ], [ getelementptr ([5 x sbyte]* %str1, int 0, uint 0), %entry ], [ getelementptr ([5 x sbyte]* %str1, int 0, uint 0), %entry ], [ getelementptr ([5 x sbyte]* %str1, int 0, uint 0), %entry ], [ getelementptr ([5 x sbyte]* %str1, int 0, uint 0), %entry ], [ getelementptr ([5 x sbyte]* %str1, int 0, uint 0), %entry ], [ getelementptr ([5 x sbyte]* %str1, int 0, uint 0), %entry ], [ getelementptr ([5 x sbyte]* %str1, int 0, uint 0), %entry ], [ getelementptr ([5 x sbyte]* %str2, int 0, uint 0), %bb2 ]           ; <sbyte*> [#uses=13]
+       %tmp8 = tail call int (sbyte*, ...)* %printf( sbyte* %s.0 )             ; <int> [#uses=0]
+       %tmp10 = tail call int (sbyte*, ...)* %printf( sbyte* %s.0 )            ; <int> [#uses=0]
+       %tmp12 = tail call int (sbyte*, ...)* %printf( sbyte* %s.0 )            ; <int> [#uses=0]
+       %tmp14 = tail call int (sbyte*, ...)* %printf( sbyte* %s.0 )            ; <int> [#uses=0]
+       %tmp16 = tail call int (sbyte*, ...)* %printf( sbyte* %s.0 )            ; <int> [#uses=0]
+       %tmp18 = tail call int (sbyte*, ...)* %printf( sbyte* %s.0 )            ; <int> [#uses=0]
+       %tmp20 = tail call int (sbyte*, ...)* %printf( sbyte* %s.0 )            ; <int> [#uses=0]
+       %tmp22 = tail call int (sbyte*, ...)* %printf( sbyte* %s.0 )            ; <int> [#uses=0]
+       %tmp24 = tail call int (sbyte*, ...)* %printf( sbyte* %s.0 )            ; <int> [#uses=0]
+       %tmp26 = tail call int (sbyte*, ...)* %printf( sbyte* %s.0 )            ; <int> [#uses=0]
+       %tmp28 = tail call int (sbyte*, ...)* %printf( sbyte* %s.0 )            ; <int> [#uses=0]
+       %tmp30 = tail call int (sbyte*, ...)* %printf( sbyte* %s.0 )            ; <int> [#uses=0]
+       %tmp32 = tail call int (sbyte*, ...)* %printf( sbyte* %s.0 )            ; <int> [#uses=0]
+       ret void
+}
+
+declare int %printf(sbyte*, ...)