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; REQUIRES: asserts
; RUN: llc < %s -mtriple=x86_64-apple-darwin11 -relocation-model=pic -disable-fp-elim -stats 2>&1 | not grep ext-opt
define fastcc i8* @S_scan_str(i8* %start, i32 %keep_quoted, i32 %keep_delims) nounwind ssp {
entry:
switch i8 undef, label %bb6 [
i8 9, label %bb5
i8 32, label %bb5
i8 10, label %bb5
i8 13, label %bb5
i8 12, label %bb5
]
bb5: ; preds = %entry, %entry, %entry, %entry, %entry
br label %bb6
bb6: ; preds = %bb5, %entry
br i1 undef, label %bb7, label %bb9
bb7: ; preds = %bb6
unreachable
bb9: ; preds = %bb6
%0 = load i8* undef, align 1 ; <i8> [#uses=3]
br i1 undef, label %bb12, label %bb10
bb10: ; preds = %bb9
br i1 undef, label %bb12, label %bb11
bb11: ; preds = %bb10
unreachable
bb12: ; preds = %bb10, %bb9
br i1 undef, label %bb13, label %bb14
bb13: ; preds = %bb12
store i8 %0, i8* undef, align 1
%1 = zext i8 %0 to i32 ; <i32> [#uses=1]
br label %bb18
bb14: ; preds = %bb12
br label %bb18
bb18: ; preds = %bb14, %bb13
%termcode.0 = phi i32 [ %1, %bb13 ], [ undef, %bb14 ] ; <i32> [#uses=2]
%2 = icmp eq i8 %0, 0 ; <i1> [#uses=1]
br i1 %2, label %bb21, label %bb19
bb19: ; preds = %bb18
br i1 undef, label %bb21, label %bb20
bb20: ; preds = %bb19
br label %bb21
bb21: ; preds = %bb20, %bb19, %bb18
%termcode.1 = phi i32 [ %termcode.0, %bb18 ], [ %termcode.0, %bb19 ], [ undef, %bb20 ] ; <i32> [#uses=0]
unreachable
}
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