[llvm-commits] CVS: llvm/test/Regression/Transforms/LoopPreheaders/2003-08-15-PreheadersFail.ll
Chris Lattner
lattner at cs.uiuc.edu
Fri Aug 15 18:16:01 PDT 2003
Changes in directory llvm/test/Regression/Transforms/LoopPreheaders:
2003-08-15-PreheadersFail.ll added (r1.1)
---
Log message:
new testcase narrowed down from xboard
---
Diffs of the changes:
Index: llvm/test/Regression/Transforms/LoopPreheaders/2003-08-15-PreheadersFail.ll
diff -c /dev/null llvm/test/Regression/Transforms/LoopPreheaders/2003-08-15-PreheadersFail.ll:1.1
*** /dev/null Fri Aug 15 18:15:48 2003
--- llvm/test/Regression/Transforms/LoopPreheaders/2003-08-15-PreheadersFail.ll Fri Aug 15 18:15:37 2003
***************
*** 0 ****
--- 1,65 ----
+ ; RUN: as < %s | opt -tailduplicate -instcombine -simplifycfg -print -licm -disable-output
+
+ target endian = little
+ target pointersize = 32
+ %yy_base = external global [787 x short] ; <[787 x short]*> [#uses=1]
+ %yy_state_ptr = external global int* ; <int**> [#uses=3]
+ %yy_state_buf = external global [16386 x int] ; <[16386 x int]*> [#uses=1]
+ %yy_lp = external global int ; <int*> [#uses=1]
+
+ implementation ; Functions:
+
+ int %_yylex() { ; No predecessors!
+ br label %loopentry.0
+
+ loopentry.0: ; preds = %0, %else.26
+ store int* getelementptr ([16386 x int]* %yy_state_buf, long 0, long 0), int** %yy_state_ptr
+ %tmp.35 = load int** %yy_state_ptr ; <int*> [#uses=2]
+ %inc.0 = getelementptr int* %tmp.35, long 1 ; <int*> [#uses=1]
+ store int* %inc.0, int** %yy_state_ptr
+ %tmp.36 = load int* null ; <int> [#uses=1]
+ store int %tmp.36, int* %tmp.35
+ br label %loopexit.2
+
+ loopexit.2: ; preds = %loopentry.0, %else.26, %loopexit.2
+ store sbyte* null, sbyte** null
+ %tmp.91 = load int* null ; <int> [#uses=1]
+ %tmp.92 = cast int %tmp.91 to long ; <long> [#uses=1]
+ %tmp.93 = getelementptr [787 x short]* %yy_base, long 0, long %tmp.92 ; <short*> [#uses=1]
+ %tmp.94 = load short* %tmp.93 ; <short> [#uses=1]
+ %tmp.95 = setne short %tmp.94, 4394 ; <bool> [#uses=1]
+ br bool %tmp.95, label %loopexit.2, label %yy_find_action
+
+ yy_find_action: ; preds = %loopexit.2, %else.26
+ br label %loopentry.3
+
+ loopentry.3: ; preds = %yy_find_action, %shortcirc_done.0, %then.9
+ %tmp.105 = load int* %yy_lp ; <int> [#uses=1]
+ %tmp.106 = setne int %tmp.105, 0 ; <bool> [#uses=1]
+ br bool %tmp.106, label %shortcirc_next.0, label %shortcirc_done.0
+
+ shortcirc_next.0: ; preds = %loopentry.3
+ %tmp.114 = load short* null ; <short> [#uses=1]
+ %tmp.115 = cast short %tmp.114 to int ; <int> [#uses=1]
+ %tmp.116 = setlt int 0, %tmp.115 ; <bool> [#uses=1]
+ br label %shortcirc_done.0
+
+ shortcirc_done.0: ; preds = %loopentry.3, %shortcirc_next.0
+ %shortcirc_val.0 = phi bool [ false, %loopentry.3 ], [ %tmp.116, %shortcirc_next.0 ] ; <bool> [#uses=1]
+ br bool %shortcirc_val.0, label %else.0, label %loopentry.3
+
+ else.0: ; preds = %shortcirc_done.0
+ %tmp.144 = load int* null ; <int> [#uses=1]
+ %tmp.145 = and int %tmp.144, 8192 ; <int> [#uses=1]
+ %tmp.146 = setne int %tmp.145, 0 ; <bool> [#uses=1]
+ br bool %tmp.146, label %then.9, label %else.26
+
+ then.9: ; preds = %else.0
+ br label %loopentry.3
+
+ else.26: ; preds = %else.1
+ switch uint 0, label %loopentry.0 [
+ uint 2, label %yy_find_action
+ uint 0, label %loopexit.2
+ ]
+ }
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