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Test that a call to a trampoline is turned into a call to

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the underlying nested function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41846 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands 2007-09-11 15:07:50 +00:00
parent d50dc73b89
commit bba5037740
1 changed files with 24 additions and 0 deletions
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24
test/Transforms/InstCombine/2007-09-11-Trampoline.ll Normal file
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {call i32 @f}
%struct.FRAME.nest = type { i32, i32 (i32)* }
%struct.__builtin_trampoline = type { [10 x i8] }
declare i8* @llvm.init.trampoline(i8*, i8*, i8*)
declare i32 @f(%struct.FRAME.nest* nest , i32 )
define i32 @nest(i32 %n) {
entry:
%FRAME.0 = alloca %struct.FRAME.nest, align 8 ; <%struct.FRAME.nest*> [#uses=3]
%TRAMP.216 = alloca [10 x i8], align 16 ; <[10 x i8]*> [#uses=1]
%TRAMP.216.sub = getelementptr [10 x i8]* %TRAMP.216, 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.216.sub, i8* bitcast (i32 (%struct.FRAME.nest* nest , i32)* @f 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 8
%tmp2.i = call i32 %tmp89( i32 1 ) ; <i32> [#uses=1]
ret i32 %tmp2.i
}