llvm-mirror/test/Transforms/InstCombine/2008-01-14-VarArgTrampoline.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

27 lines
1.3 KiB
LLVM

; RUN: opt < %s -instcombine -S | grep zeroext
%struct.FRAME.nest = type { i32, i32 (...)* }
%struct.__builtin_trampoline = type { [10 x i8] }
declare void @llvm.init.trampoline(i8*, i8*, i8*) nounwind
declare i8* @llvm.adjust.trampoline(i8*) nounwind
declare i32 @f(%struct.FRAME.nest* nest , ...)
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], [10 x i8]* %TRAMP.216, i32 0, i32 0 ; <i8*> [#uses=1]
%tmp3 = getelementptr %struct.FRAME.nest, %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]
call void @llvm.init.trampoline( i8* %TRAMP.216.sub, i8* bitcast (i32 (%struct.FRAME.nest*, ...)* @f to i8*), i8* %FRAME.06 ) ; <i8*> [#uses=1]
%tramp = call i8* @llvm.adjust.trampoline( i8* %TRAMP.216.sub)
%tmp7 = getelementptr %struct.FRAME.nest, %struct.FRAME.nest* %FRAME.0, i32 0, i32 1 ; <i32 (...)**> [#uses=1]
%tmp89 = bitcast i8* %tramp to i32 (...)* ; <i32 (...)*> [#uses=2]
store i32 (...)* %tmp89, i32 (...)** %tmp7, align 8
%tmp2.i = call i32 (...) %tmp89( i32 zeroext 0 ) ; <i32> [#uses=1]
ret i32 %tmp2.i
}