llvm-6502/test/Transforms/GlobalOpt/2008-02-16-NestAttr.ll
Duncan Sands 3d5378ff8e Remove any 'nest' parameter attributes if the function
is not passed as an argument to a trampoline intrinsic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47220 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-16 20:56:04 +00:00

58 lines
2.5 KiB
LLVM

; RUN: llvm-as < %s | opt -globalopt | llvm-dis | grep { nest } | count 1
%struct.FRAME.nest = type { i32, i32 (i32)* }
%struct.__builtin_trampoline = type { [10 x i8] }
@.str = internal constant [7 x i8] c"%d %d\0A\00" ; <[7 x i8]*> [#uses=1]
define i32 @process(i32 (i32)* %func) nounwind {
entry:
%tmp2 = tail call i32 %func( i32 1 ) nounwind ; <i32> [#uses=1]
ret i32 %tmp2
}
define internal fastcc i32 @g.1478(%struct.FRAME.nest* nest %CHAIN.1, i32 %m) nounwind {
entry:
%tmp3 = getelementptr %struct.FRAME.nest* %CHAIN.1, i32 0, i32 0 ; <i32*> [#uses=1]
%tmp4 = load i32* %tmp3, align 4 ; <i32> [#uses=1]
%tmp7 = icmp eq i32 %tmp4, %m ; <i1> [#uses=1]
%tmp78 = zext i1 %tmp7 to i32 ; <i32> [#uses=1]
ret i32 %tmp78
}
define internal i32 @f.1481(%struct.FRAME.nest* nest %CHAIN.2, i32 %m) nounwind {
entry:
%tmp4 = tail call fastcc i32 @g.1478( %struct.FRAME.nest* nest %CHAIN.2, i32 %m ) nounwind ; <i32> [#uses=1]
%tmp6 = getelementptr %struct.FRAME.nest* %CHAIN.2, i32 0, i32 0 ; <i32*> [#uses=1]
%tmp7 = load i32* %tmp6, align 4 ; <i32> [#uses=1]
%tmp9 = icmp eq i32 %tmp4, %tmp7 ; <i1> [#uses=1]
%tmp910 = zext i1 %tmp9 to i32 ; <i32> [#uses=1]
ret i32 %tmp910
}
define i32 @nest(i32 %n) nounwind {
entry:
%TRAMP.316 = alloca [10 x i8] ; <[10 x i8]*> [#uses=1]
%FRAME.0 = alloca %struct.FRAME.nest ; <%struct.FRAME.nest*> [#uses=3]
%TRAMP.316.sub = getelementptr [10 x i8]* %TRAMP.316, i32 0, i32 0 ; <i8*> [#uses=1]
%tmp3 = getelementptr %struct.FRAME.nest* %FRAME.0, i32 0, i32 0 ; <i32*> [#uses=1]
store i32 %n, i32* %tmp3, align 8
%FRAME.06 = bitcast %struct.FRAME.nest* %FRAME.0 to i8* ; <i8*> [#uses=1]
%tramp = call i8* @llvm.init.trampoline( i8* %TRAMP.316.sub, i8* bitcast (i32 (%struct.FRAME.nest*, i32)* @f.1481 to i8*), i8* %FRAME.06 ) ; <i8*> [#uses=1]
%tmp7 = getelementptr %struct.FRAME.nest* %FRAME.0, i32 0, i32 1 ; <i32 (i32)**> [#uses=1]
%tmp89 = bitcast i8* %tramp to i32 (i32)* ; <i32 (i32)*> [#uses=2]
store i32 (i32)* %tmp89, i32 (i32)** %tmp7, align 4
%tmp13 = call i32 @process( i32 (i32)* %tmp89 ) nounwind ; <i32> [#uses=1]
ret i32 %tmp13
}
declare i8* @llvm.init.trampoline(i8*, i8*, i8*) nounwind
define i32 @main() nounwind {
entry:
%tmp = tail call i32 @nest( i32 2 ) nounwind ; <i32> [#uses=1]
%tmp1 = tail call i32 @nest( i32 1 ) nounwind ; <i32> [#uses=1]
%tmp3 = tail call i32 (i8*, ...)* @printf( i8* noalias getelementptr ([7 x i8]* @.str, i32 0, i32 0), i32 %tmp1, i32 %tmp ) nounwind ; <i32> [#uses=0]
ret i32 undef
}
declare i32 @printf(i8*, ...) nounwind