llvm-6502/test/Transforms/SimplifyLibCalls/2009-07-28-Exit.ll

; RUN: llvm-as < %s | opt -simplify-libcalls -disable-output
; 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 }
	%struct.__sbuf = type { i8*, i32, [4 x i8] }
	%struct.pthread = type opaque
	%struct.pthread_mutex = type opaque
	%union.anon = type { i64, [120 x i8] }
@.str13 = external constant [2 x i8]		; <[2 x i8]*> [#uses=1]
@.str14 = external constant [2 x i8]		; <[2 x i8]*> [#uses=1]

define i32 @main(i32 %argc, i8** %argv) nounwind {
entry:
	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]
	unreachable
}

declare %struct.__sFILE* @fopen(i8*, i8*)

declare void @exit(i32)
Just discard the output, no need to turn it back into text. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77439 91177308-0d34-0410-b5e6-96231b3b80d8 2009-07-29 06:14:52 +00:00			`; RUN: llvm-as < %s \| opt -simplify-libcalls -disable-output`
Bulk erasing instructions without RAUWing them is unsafe. Instead, break them into a new BB that has no predecessors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77433 91177308-0d34-0410-b5e6-96231b3b80d8 2009-07-29 05:17:50 +00:00			`; 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 }`
			`%struct.__sbuf = type { i8*, i32, [4 x i8] }`
			`%struct.pthread = type opaque`
			`%struct.pthread_mutex = type opaque`
			`%union.anon = type { i64, [120 x i8] }`
			`@.str13 = external constant [2 x i8] ; <[2 x i8]*> [#uses=1]`
			`@.str14 = external constant [2 x i8] ; <[2 x i8]*> [#uses=1]`

			`define i32 @main(i32 %argc, i8** %argv) nounwind {`
			`entry:`
			`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]`
			`unreachable`
			`}`

			`declare %struct.__sFILE* @fopen(i8, i8)`

			`declare void @exit(i32)`