don't dump .bc file to stdout, and simplify this to a trivial testcase.

llvm-svn: 77436

diff --git a/llvm/test/Transforms/SimplifyLibCalls/2009-07-28-Exit.ll b/llvm/test/Transforms/SimplifyLibCalls/2009-07-28-Exit.ll
index 6e7440e..2c43071 100644 (file)
--- a/llvm/test/Transforms/SimplifyLibCalls/2009-07-28-Exit.ll
+++ b/llvm/test/Transforms/SimplifyLibCalls/2009-07-28-Exit.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | opt -simplify-libcalls
+; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis
 ; PR4641
 
        %struct.__sFILE = type { i8*, i32, i32, i16, i16, %struct.__sbuf, i32, i8*, i32 (i8*)*, i32 (i8*, i8*, i32)*, i64 (i8*, i64, i32)*, i32 (i8*, i8*, i32)*, %struct.__sbuf, i8*, i32, [3 x i8], [1 x i8], %struct.__sbuf, i32, i64, %struct.pthread_mutex*, %struct.pthread*, i32, i32, %union.anon }
@@ -11,163 +11,6 @@
 
 define i32 @main(i32 %argc, i8** %argv) nounwind {
 entry:
-       br i1 undef, label %if.then.i, label %xmalloc.exit
-
-if.then.i:             ; preds = %entry
-       unreachable
-
-xmalloc.exit:          ; preds = %entry
-       br i1 undef, label %if.then.i11, label %xmalloc.exit13
-
-if.then.i11:           ; preds = %xmalloc.exit
-       unreachable
-
-xmalloc.exit13:                ; preds = %xmalloc.exit
-       br label %while.cond
-
-while.cond:            ; preds = %sw.bb124, %if.end59, %if.end, %while.cond, %xmalloc.exit13
-       switch i32 undef, label %sw.default [
-               i32 -1, label %for.cond
-               i32 0, label %while.cond
-               i32 4097, label %sw.bb36
-               i32 102, label %sw.bb55
-               i32 111, label %sw.bb55
-               i32 108, label %sw.bb62
-               i32 99, label %sw.bb84
-               i32 86, label %sw.bb114
-               i32 66, label %sw.bb124
-       ]
-
-sw.bb36:               ; preds = %while.cond
-       br i1 undef, label %if.end, label %if.then
-
-if.then:               ; preds = %sw.bb36
-       unreachable
-
-if.end:                ; preds = %sw.bb36
-       br label %while.cond
-
-sw.bb55:               ; preds = %while.cond, %while.cond
-       br i1 undef, label %if.end59, label %if.then58
-
-if.then58:             ; preds = %sw.bb55
-       br label %if.end59
-
-if.end59:              ; preds = %if.then58, %sw.bb55
-       br label %while.cond
-
-sw.bb62:               ; preds = %while.cond
-       unreachable
-
-sw.bb84:               ; preds = %while.cond
-       unreachable
-
-sw.bb114:              ; preds = %while.cond
-       unreachable
-
-sw.bb124:              ; preds = %while.cond
-       br label %while.cond
-
-sw.default:            ; preds = %while.cond
-       unreachable
-
-for.cond:              ; preds = %while.cond
-       br i1 undef, label %if.end167, label %if.then8.i
-
-if.then8.i:            ; preds = %for.cond
-       unreachable
-
-if.end167:             ; preds = %for.cond
-       br i1 undef, label %if.then174, label %if.end175
-
-if.then174:            ; preds = %if.end167
-       unreachable
-
-if.end175:             ; preds = %if.end167
-       br i1 undef, label %if.then179, label %if.end181
-
-if.then179:            ; preds = %if.end175
-       unreachable
-
-if.end181:             ; preds = %if.end175
-       br i1 undef, label %if.then.i.i189, label %while.cond.i194
-
-if.then.i.i189:                ; preds = %if.end181
-       unreachable
-
-while.cond.i194:               ; preds = %if.end181
-       br i1 undef, label %while.body.i198, label %for.cond.i.i202
-
-while.body.i198:               ; preds = %while.cond.i194
-       unreachable
-
-for.cond.i.i202:               ; preds = %while.cond.i194
-       br i1 undef, label %if.end197, label %if.then191
-
-if.then191:            ; preds = %for.cond.i.i202
-       unreachable
-
-if.end197:             ; preds = %for.cond.i.i202
-       br label %for.cond.i144
-
-for.cond.i144:         ; preds = %for.body.i145, %if.end197
-       br i1 undef, label %for.body.i145, label %for.cond24.i
-
-for.body.i145:         ; preds = %for.cond.i144
-       br label %for.cond.i144
-
-for.cond24.i:          ; preds = %for.cond.i144
-       br label %for.cond78.i
-
-for.cond78.i:          ; preds = %for.body84.i, %for.cond24.i
-       br i1 undef, label %for.end94.i, label %for.body84.i
-
-for.body84.i:          ; preds = %for.cond78.i
-       br label %for.cond78.i
-
-for.end94.i:           ; preds = %for.cond78.i
-       br i1 undef, label %if.then.i.i139, label %linebuffer_init.exit142
-
-if.then.i.i139:                ; preds = %for.end94.i
-       br label %linebuffer_init.exit142
-
-linebuffer_init.exit142:               ; preds = %if.then.i.i139, %for.end94.i
-       br i1 undef, label %if.then.i.i124, label %linebuffer_init.exit129
-
-if.then.i.i124:                ; preds = %linebuffer_init.exit142
-       unreachable
-
-linebuffer_init.exit129:               ; preds = %linebuffer_init.exit142
-       br i1 undef, label %if.then.i.i110, label %linebuffer_init.exit113
-
-if.then.i.i110:                ; preds = %linebuffer_init.exit129
-       unreachable
-
-linebuffer_init.exit113:               ; preds = %linebuffer_init.exit129
-       br i1 undef, label %if.then.i.i98, label %linebuffer_init.exit
-
-if.then.i.i98:         ; preds = %linebuffer_init.exit113
-       br label %linebuffer_init.exit
-
-linebuffer_init.exit:          ; preds = %if.then.i.i98, %linebuffer_init.exit113
-       br i1 undef, label %if.then227, label %while.cond.i50
-
-if.then227:            ; preds = %linebuffer_init.exit
-       unreachable
-
-while.cond.i50:                ; preds = %linebuffer_init.exit
-       br i1 undef, label %while.end339, label %while.body334
-
-while.body334:         ; preds = %while.cond.i50
-       unreachable
-
-while.end339:          ; preds = %while.cond.i50
-       br i1 undef, label %if.then344, label %if.end346
-
-if.then344:            ; preds = %while.end339
-       unreachable
-
-if.end346:             ; preds = %while.end339
        call void @exit(i32 0) nounwind
        %cond392 = select i1 undef, i8* getelementptr ([2 x i8]* @.str13, i32 0, i32 0), i8* getelementptr ([2 x i8]* @.str14, i32 0, i32 0)            ; <i8*> [#uses=1]
        %call393 = call %struct.__sFILE* @fopen(i8* undef, i8* %cond392) nounwind               ; <%struct.__sFILE*> [#uses=0]