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; RUN: llc < %s

target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
target triple = "x86_64-unknown-linux-gnu"
external global i32		; <i32*>:0 [#uses=1]

declare i64 @strlen(i8* nocapture) nounwind readonly

define fastcc i8* @1(i8*) nounwind {
	br i1 false, label %3, label %2

; <label>:2		; preds = %1
	ret i8* %0

; <label>:3		; preds = %1
	%4 = call i64 @strlen(i8* %0) nounwind readonly		; <i64> [#uses=1]
	%5 = trunc i64 %4 to i32		; <i32> [#uses=2]
	%6 = load i32* @0, align 4		; <i32> [#uses=1]
	%7 = sub i32 %5, %6		; <i32> [#uses=2]
	%8 = sext i32 %5 to i64		; <i64> [#uses=1]
	%9 = sext i32 %7 to i64		; <i64> [#uses=1]
	%10 = sub i64 %8, %9		; <i64> [#uses=1]
	%11 = getelementptr i8* %0, i64 %10		; <i8*> [#uses=1]
	%12 = icmp sgt i32 %7, 0		; <i1> [#uses=1]
	br i1 %12, label %13, label %14

; <label>:13		; preds = %13, %3
	br label %13

; <label>:14		; preds = %3
	%15 = call noalias i8* @make_temp_file(i8* %11) nounwind		; <i8*> [#uses=0]
	unreachable
}

declare noalias i8* @make_temp_file(i8*)