Changes in directory llvm/test/Regression/CodeGen/Generic:
2006-03-01-dagcombineinfloop.ll added (r1.1)
---
Log message:
new testcase
---
Diffs of the changes: (+98 -0)
2006-03-01-dagcombineinfloop.ll | 98 ++++++++++++++++++++++++++++++++++++++++
1 files changed, 98 insertions(+)
Index: llvm/test/Regression/CodeGen/Generic/2006-03-01-dagcombineinfloop.ll
diff -c /dev/null
llvm/test/Regression/CodeGen/Generic/2006-03-01-dagcombineinfloop.ll:1.1
*** /dev/null Wed Mar 1 15:47:03 2006
--- llvm/test/Regression/CodeGen/Generic/2006-03-01-dagcombineinfloop.ll
Wed Mar 1 15:46:53 2006
***************
*** 0 ****
--- 1,98 ----
+ ; RUN: llvm-as < %s | llc
+ ; Infinite loop in the dag combiner, reduced from 176.gcc.
+
+ %struct._obstack_chunk = type { sbyte*, %struct._obstack_chunk*, [4 x
sbyte] }
+ %struct.anon = type { int }
+ %struct.lang_decl = type opaque
+ %struct.lang_type = type { int, [1 x %struct.tree_node*] }
+ %struct.obstack = type { int, %struct._obstack_chunk*, sbyte*, sbyte*,
sbyte*, int, int, %struct._obstack_chunk* (...)*, void (...)*, sbyte*, ubyte }
+ %struct.rtx_def = type { ushort, ubyte, ubyte, [1 x %struct.anon] }
+ %struct.tree_common = type { %struct.tree_node*, %struct.tree_node*,
ubyte, ubyte, ubyte, ubyte }
+ %struct.tree_decl = type { [12 x sbyte], sbyte*, int,
%struct.tree_node*, uint, ubyte, ubyte, ubyte, ubyte, %struct.tree_node*,
%struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*,
%struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*,
%struct.rtx_def*, %struct.anon, { %struct.rtx_def* }, %struct.tree_node*,
%struct.lang_decl* }
+ %struct.tree_list = type { [12 x sbyte], %struct.tree_node*,
%struct.tree_node* }
+ %struct.tree_node = type { %struct.tree_decl }
+ %struct.tree_type = type { [12 x sbyte], %struct.tree_node*,
%struct.tree_node*, %struct.tree_node*, uint, ubyte, ubyte, ubyte, ubyte, uint,
%struct.tree_node*, %struct.tree_node*, %struct.anon, %struct.tree_node*,
%struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*,
%struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.obstack*,
%struct.lang_type* }
+ %void_type_node = external global %struct.tree_node* ;
<%struct.tree_node**> [#uses=1]
+ %char_type_node = external global %struct.tree_node* ;
<%struct.tree_node**> [#uses=1]
+ %short_integer_type_node = external global %struct.tree_node* ;
<%struct.tree_node**> [#uses=1]
+ %short_unsigned_type_node = external global %struct.tree_node*
; <%struct.tree_node**> [#uses=1]
+ %float_type_node = external global %struct.tree_node* ;
<%struct.tree_node**> [#uses=1]
+ %signed_char_type_node = external global %struct.tree_node* ;
<%struct.tree_node**> [#uses=1]
+ %unsigned_char_type_node = external global %struct.tree_node* ;
<%struct.tree_node**> [#uses=1]
+
+ implementation ; Functions:
+
+ fastcc int %self_promoting_args_p(%struct.tree_node* %parms) {
+ entry:
+ %tmp915 = seteq %struct.tree_node* %parms, null ; <bool>
[#uses=1]
+ br bool %tmp915, label %return, label %cond_true92.preheader
+
+ cond_true: ; preds = %cond_true92
+ %tmp9.not = setne %struct.tree_node* %tmp2, %tmp7 ;
<bool> [#uses=1]
+ %tmp14 = seteq %struct.tree_node* %tmp2, null ; <bool>
[#uses=1]
+ %bothcond = or bool %tmp9.not, %tmp14 ; <bool> [#uses=1]
+ br bool %bothcond, label %return, label %cond_next18
+
+ cond_next12: ; preds = %cond_true92
+ %tmp14.old = seteq %struct.tree_node* %tmp2, null ;
<bool> [#uses=1]
+ br bool %tmp14.old, label %return, label %cond_next18
+
+ cond_next18: ; preds = %cond_next12, %cond_true
+ %tmp20 = cast %struct.tree_node* %tmp2 to %struct.tree_type*
; <%struct.tree_type*> [#uses=1]
+ %tmp21 = getelementptr %struct.tree_type* %tmp20, int 0, uint 17
; <%struct.tree_node**> [#uses=1]
+ %tmp22 = load %struct.tree_node** %tmp21 ;
<%struct.tree_node*> [#uses=6]
+ %tmp24 = seteq %struct.tree_node* %tmp22, %tmp23 ;
<bool> [#uses=1]
+ br bool %tmp24, label %return, label %cond_next28
+
+ cond_next28: ; preds = %cond_next18
+ %tmp30 = cast %struct.tree_node* %tmp2 to %struct.tree_common*
; <%struct.tree_common*> [#uses=1]
+ %tmp = getelementptr %struct.tree_common* %tmp30, int 0, uint 2
; <ubyte*> [#uses=1]
+ %tmp = cast ubyte* %tmp to uint* ; <uint*> [#uses=1]
+ %tmp = load uint* %tmp ; <uint> [#uses=1]
+ %tmp32 = cast uint %tmp to ubyte ; <ubyte> [#uses=1]
+ %tmp33 = seteq ubyte %tmp32, 7 ; <bool> [#uses=1]
+ br bool %tmp33, label %cond_true34, label %cond_next84
+
+ cond_true34: ; preds = %cond_next28
+ %tmp40 = seteq %struct.tree_node* %tmp22, %tmp39 ;
<bool> [#uses=1]
+ %tmp49 = seteq %struct.tree_node* %tmp22, %tmp48 ;
<bool> [#uses=1]
+ %bothcond6 = or bool %tmp40, %tmp49 ; <bool> [#uses=1]
+ %tmp58 = seteq %struct.tree_node* %tmp22, %tmp57 ;
<bool> [#uses=1]
+ %bothcond7 = or bool %bothcond6, %tmp58 ; <bool> [#uses=1]
+ %tmp67 = seteq %struct.tree_node* %tmp22, %tmp66 ;
<bool> [#uses=1]
+ %bothcond8 = or bool %bothcond7, %tmp67 ; <bool> [#uses=1]
+ %tmp76 = seteq %struct.tree_node* %tmp22, %tmp75 ;
<bool> [#uses=1]
+ %bothcond9 = or bool %bothcond8, %tmp76 ; <bool> [#uses=2]
+ %brmerge = or bool %bothcond9, %tmp ; <bool> [#uses=1]
+ %bothcond9 = cast bool %bothcond9 to int ; <int>
[#uses=1]
+ %.mux = xor int %bothcond9, 1 ; <int> [#uses=1]
+ br bool %brmerge, label %return, label %cond_true92
+
+ cond_next84: ; preds = %cond_next28
+ br bool %tmp, label %return, label %cond_true92
+
+ cond_true92.preheader: ; preds = %entry
+ %tmp7 = load %struct.tree_node** %void_type_node ;
<%struct.tree_node*> [#uses=1]
+ %tmp23 = load %struct.tree_node** %float_type_node ;
<%struct.tree_node*> [#uses=1]
+ %tmp39 = load %struct.tree_node** %char_type_node ;
<%struct.tree_node*> [#uses=1]
+ %tmp48 = load %struct.tree_node** %signed_char_type_node
; <%struct.tree_node*> [#uses=1]
+ %tmp57 = load %struct.tree_node** %unsigned_char_type_node
; <%struct.tree_node*> [#uses=1]
+ %tmp66 = load %struct.tree_node** %short_integer_type_node
; <%struct.tree_node*> [#uses=1]
+ %tmp75 = load %struct.tree_node** %short_unsigned_type_node
; <%struct.tree_node*> [#uses=1]
+ br label %cond_true92
+
+ cond_true92: ; preds = %cond_true92.preheader, %cond_next84,
%cond_true34
+ %t.0.0 = phi %struct.tree_node* [ %parms, %cond_true92.preheader ], [
%tmp6, %cond_true34 ], [ %tmp6, %cond_next84 ] ;
<%struct.tree_node*> [#uses=2]
+ %tmp = cast %struct.tree_node* %t.0.0 to %struct.tree_list*
; <%struct.tree_list*> [#uses=1]
+ %tmp = getelementptr %struct.tree_list* %tmp, int 0, uint 2
; <%struct.tree_node**> [#uses=1]
+ %tmp2 = load %struct.tree_node** %tmp ; <%struct.tree_node*>
[#uses=5]
+ %tmp4 = cast %struct.tree_node* %t.0.0 to %struct.tree_common*
; <%struct.tree_common*> [#uses=1]
+ %tmp5 = getelementptr %struct.tree_common* %tmp4, int 0, uint 0
; <%struct.tree_node**> [#uses=1]
+ %tmp6 = load %struct.tree_node** %tmp5 ; <%struct.tree_node*>
[#uses=3]
+ %tmp = seteq %struct.tree_node* %tmp6, null ; <bool>
[#uses=3]
+ br bool %tmp, label %cond_true, label %cond_next12
+
+ return: ; preds = %cond_next84, %cond_true34, %cond_next18,
%cond_next12, %cond_true, %entry
+ %retval.0 = phi int [ 1, %entry ], [ 1, %cond_next84 ], [ %.mux,
%cond_true34 ], [ 0, %cond_next18 ], [ 0, %cond_next12 ], [ 0, %cond_true ]
; <int> [#uses=1]
+ ret int %retval.0
+ }
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