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llvm-mirror/test/Transforms/LoopSimplify/2003-08-15-PreheadersFail.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

53 lines
2.3 KiB
LLVM

; RUN: opt < %s -tailduplicate -instcombine -simplifycfg -licm -disable-output
target datalayout = "e-p:32:32"
@yy_base = external global [787 x i16] ; <[787 x i16]*> [#uses=1]
@yy_state_ptr = external global i32* ; <i32**> [#uses=3]
@yy_state_buf = external global [16386 x i32] ; <[16386 x i32]*> [#uses=1]
@yy_lp = external global i32 ; <i32*> [#uses=1]
define i32 @_yylex() {
br label %loopentry.0
loopentry.0: ; preds = %else.26, %0
store i32* getelementptr ([16386 x i32]* @yy_state_buf, i64 0, i64 0), i32** @yy_state_ptr
%tmp.35 = load i32** @yy_state_ptr ; <i32*> [#uses=2]
%inc.0 = getelementptr i32* %tmp.35, i64 1 ; <i32*> [#uses=1]
store i32* %inc.0, i32** @yy_state_ptr
%tmp.36 = load i32* null ; <i32> [#uses=1]
store i32 %tmp.36, i32* %tmp.35
br label %loopexit.2
loopexit.2: ; preds = %else.26, %loopexit.2, %loopentry.0
store i8* null, i8** null
%tmp.91 = load i32* null ; <i32> [#uses=1]
%tmp.92 = sext i32 %tmp.91 to i64 ; <i64> [#uses=1]
%tmp.93 = getelementptr [787 x i16]* @yy_base, i64 0, i64 %tmp.92 ; <i16*> [#uses=1]
%tmp.94 = load i16* %tmp.93 ; <i16> [#uses=1]
%tmp.95 = icmp ne i16 %tmp.94, 4394 ; <i1> [#uses=1]
br i1 %tmp.95, label %loopexit.2, label %yy_find_action
yy_find_action: ; preds = %else.26, %loopexit.2
br label %loopentry.3
loopentry.3: ; preds = %then.9, %shortcirc_done.0, %yy_find_action
%tmp.105 = load i32* @yy_lp ; <i32> [#uses=1]
%tmp.106 = icmp ne i32 %tmp.105, 0 ; <i1> [#uses=1]
br i1 %tmp.106, label %shortcirc_next.0, label %shortcirc_done.0
shortcirc_next.0: ; preds = %loopentry.3
%tmp.114 = load i16* null ; <i16> [#uses=1]
%tmp.115 = sext i16 %tmp.114 to i32 ; <i32> [#uses=1]
%tmp.116 = icmp slt i32 0, %tmp.115 ; <i1> [#uses=1]
br label %shortcirc_done.0
shortcirc_done.0: ; preds = %shortcirc_next.0, %loopentry.3
%shortcirc_val.0 = phi i1 [ false, %loopentry.3 ], [ %tmp.116, %shortcirc_next.0 ] ; <i1> [#uses=1]
br i1 %shortcirc_val.0, label %else.0, label %loopentry.3
else.0: ; preds = %shortcirc_done.0
%tmp.144 = load i32* null ; <i32> [#uses=1]
%tmp.145 = and i32 %tmp.144, 8192 ; <i32> [#uses=1]
%tmp.146 = icmp ne i32 %tmp.145, 0 ; <i1> [#uses=1]
br i1 %tmp.146, label %then.9, label %else.26
then.9: ; preds = %else.0
br label %loopentry.3
else.26: ; preds = %else.0
switch i32 0, label %loopentry.0 [
i32 2, label %yy_find_action
i32 0, label %loopexit.2
]
}