Remove the LowerSetJmp pass. It wasn't used effectively by any of the targets.

This is some of my original LLVM code. *wipes tear*


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136821 91177308-0d34-0410-b5e6-96231b3b80d8

test/Transforms/LowerSetJmp/2003-11-05-DominanceProperties.ll

@@ -1,16 +0,0 @@
-; RUN: opt < %s -lowersetjmp -disable-output
-
-	%struct.jmpenv = type { i32, i8 }
-
-declare void @Perl_sv_setpv()
-
-declare i32 @llvm.setjmp(i32*)
-
-define void @perl_call_sv() {
-	call void @Perl_sv_setpv( )
-	%tmp.335 = getelementptr %struct.jmpenv* null, i64 0, i32 0		; <i32*> [#uses=1]
-	%tmp.336 = call i32 @llvm.setjmp( i32* null )		; <i32> [#uses=1]
-	store i32 %tmp.336, i32* %tmp.335
-	ret void
-}
-

test/Transforms/LowerSetJmp/dg.exp

@@ -1,3 +0,0 @@
-load_lib llvm.exp
-
-RunLLVMTests [lsort [glob -nocomplain $srcdir/$subdir/*.{ll,c,cpp}]]

test/Transforms/LowerSetJmp/simpletest.ll

@@ -1,31 +0,0 @@
-; RUN: opt < %s -lowersetjmp -S | grep invoke
-
-@.str_1 = internal constant [13 x i8] c"returned %d\0A\00"		; <[13 x i8]*> [#uses=1]
-
-declare void @llvm.longjmp(i32*, i32)
-
-declare i32 @llvm.setjmp(i32*)
-
-declare void @foo()
-
-define i32 @simpletest() {
-	%B = alloca i32		; <i32*> [#uses=2]
-	%Val = call i32 @llvm.setjmp( i32* %B )		; <i32> [#uses=2]
-	%V = icmp ne i32 %Val, 0		; <i1> [#uses=1]
-	br i1 %V, label %LongJumped, label %Normal
-Normal:		; preds = %0
-	call void @foo( )
-	call void @llvm.longjmp( i32* %B, i32 42 )
-	ret i32 0
-LongJumped:		; preds = %0
-	ret i32 %Val
-}
-
-declare i32 @printf(i8*, ...)
-
-define i32 @main() {
-	%V = call i32 @simpletest( )		; <i32> [#uses=1]
-	call i32 (i8*, ...)* @printf( i8* getelementptr ([13 x i8]* @.str_1, i64 0, i64 0), i32 %V )		; <i32>:1 [#uses=0]
-	ret i32 0
-}
-