Testcase where GVNPRE was getting confused by invoke instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37609 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2007-06-16 00:25:10 +00:00
parent 24e5aada7d
commit 981746b4d0

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@ -0,0 +1,70 @@
; RUN: llvm-as < %s | opt -gvnpre | llvm-dis
@.str1 = external constant [4 x i8] ; <[4 x i8]*> [#uses=1]
@.str2 = external constant [5 x i8] ; <[5 x i8]*> [#uses=1]
define i32 @main(i32 %argc, i8** %argv) {
entry:
br i1 false, label %cond_next, label %cond_true
cond_true: ; preds = %entry
ret i32 0
cond_next: ; preds = %entry
%tmp10 = invoke i16 @_ZN12token_stream4openEPKc( i8* null, i8* null ) sext
to label %invcont unwind label %cleanup690 ; <i16> [#uses=0]
invcont: ; preds = %cond_next
%tmp15 = invoke i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @.str1, i32 0, i32 0) )
to label %invcont14 unwind label %cleanup685 ; <i32> [#uses=0]
invcont14: ; preds = %invcont
%tmp17 = invoke i8* @_ZN24lambda_expression_parser10expressionEPP11arglst_node( i8* null, i8** null )
to label %cond_true22 unwind label %cleanup685
cond_true22: ; preds = %invcont14
%tmp35 = invoke i32 null( i8* null )
to label %cond_next56 unwind label %cleanup685 ; <i32> [#uses=0]
cond_next56: ; preds = %cond_true22
%tmp59 = invoke i32 (i8*, ...)* @printf( i8* getelementptr ([5 x i8]* @.str2, i32 0, i32 0) )
to label %invcont58 unwind label %cleanup685 ; <i32> [#uses=0]
invcont58: ; preds = %cond_next56
invoke void null( i8* null, i8* null, i32 0 )
to label %invcont72 unwind label %cleanup685
invcont72: ; preds = %invcont58
%tmp143 = invoke i32 null( i8* null )
to label %invcont142 unwind label %cleanup685 ; <i32> [#uses=0]
invcont142: ; preds = %invcont72
br i1 false, label %cond_false407, label %cond_true150
cond_true150: ; preds = %invcont142
ret i32 0
cond_false407: ; preds = %invcont142
%tmp431 = invoke i8* null( i8* null, i8* null, i32 0, i32* null )
to label %bb432 unwind label %cleanup685
bb432: ; preds = %bb432, %cond_false407
%rexp413.7 = phi i8* [ %tmp431, %cond_false407 ], [ %rexp413.7, %bb432 ]
%tmp434 = icmp eq i8* %rexp413.7, null ; <i1> [#uses=1]
br i1 %tmp434, label %bb432, label %cond_true437
cond_true437: ; preds = %bb432
ret i32 0
cleanup685: ; preds = %cond_false407, %invcont72, %invcont58, %cond_next56, %cond_true22, %invcont14, %invcont
ret i32 0
cleanup690: ; preds = %cond_next
ret i32 0
}
declare i16 @_ZN12token_stream4openEPKc(i8*, i8*) sext
declare i32 @printf(i8*, ...)
declare i8* @_ZN24lambda_expression_parser10expressionEPP11arglst_node(i8*, i8**)