From bba5037740b212066935b465091c37b4ed650d92 Mon Sep 17 00:00:00 2001 From: Duncan Sands Date: Tue, 11 Sep 2007 15:07:50 +0000 Subject: [PATCH] Test that a call to a trampoline is turned into a call to the underlying nested function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41846 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../InstCombine/2007-09-11-Trampoline.ll | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 test/Transforms/InstCombine/2007-09-11-Trampoline.ll diff --git a/test/Transforms/InstCombine/2007-09-11-Trampoline.ll b/test/Transforms/InstCombine/2007-09-11-Trampoline.ll new file mode 100644 index 00000000000..c022e571e11 --- /dev/null +++ b/test/Transforms/InstCombine/2007-09-11-Trampoline.ll @@ -0,0 +1,24 @@ +; 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 ; [#uses=1] + %tmp3 = getelementptr %struct.FRAME.nest* %FRAME.0, i32 0, i32 0 ; [#uses=1] + store i32 %n, i32* %tmp3, align 8 + %FRAME.06 = bitcast %struct.FRAME.nest* %FRAME.0 to 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 ) ; [#uses=1] + %tmp7 = getelementptr %struct.FRAME.nest* %FRAME.0, i32 0, i32 1 ; [#uses=1] + %tmp89 = bitcast i8* %tramp to i32 (i32)* ; [#uses=2] + store i32 (i32)* %tmp89, i32 (i32)** %tmp7, align 8 + %tmp2.i = call i32 %tmp89( i32 1 ) ; [#uses=1] + ret i32 %tmp2.i +}