blob: e93ef763aeff9ba8ede6966d2cd44dece62f7b7c [file] [log] [blame]
Reid Kleckner83498642014-08-26 00:33:28 +00001; RUN: opt < %s -inline -instcombine -S | FileCheck %s
2
3; We can't inline this thunk yet, but one day we will be able to. And when we
4; do, this test case will be ready.
5
6declare void @ext_method(i8*, i32)
7
8define linkonce_odr void @thunk(i8* %this, ...) {
David Blaikie79e6c742015-02-27 19:29:02 +00009 %this_adj = getelementptr i8, i8* %this, i32 4
David Blaikie23af6482015-04-16 23:24:18 +000010 musttail call void (i8*, ...) bitcast (void (i8*, i32)* @ext_method to void (i8*, ...)*)(i8* %this_adj, ...)
Reid Kleckner83498642014-08-26 00:33:28 +000011 ret void
12}
13
14define void @thunk_caller(i8* %p) {
David Blaikie23af6482015-04-16 23:24:18 +000015 call void (i8*, ...) @thunk(i8* %p, i32 42)
Reid Kleckner83498642014-08-26 00:33:28 +000016 ret void
17}
18; CHECK-LABEL: define void @thunk_caller(i8* %p)
David Blaikie23af6482015-04-16 23:24:18 +000019; CHECK: call void (i8*, ...) @thunk(i8* %p, i32 42)
Reid Kleckner83498642014-08-26 00:33:28 +000020
21; FIXME: Inline the thunk. This should be significantly easier than inlining
22; general varargs functions.