maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[NFC][SimplifyCFG] Add test for sinking indirect calls

This commit is contained in:
Roman Lebedev 2021-04-28 17:32:17 +03:00
parent 5f5974aeac
commit 677a0dee64
No known key found for this signature in database
GPG Key ID: 083C3EBB4A1689E0
1 changed files with 26 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
llvm/test/Transforms/SimplifyCFG/X86/sink-common-code.ll
View File

@ -1381,5 +1381,31 @@ if.end:
ret i32 1
}
define void @indirect_caller(i1 %c, i32 %v, void (i32)* %foo, void (i32)* %bar) {
; CHECK-LABEL: @indirect_caller(
; CHECK-NEXT: br i1 [[C:%.*]], label [[CALL_FOO:%.*]], label [[CALL_BAR:%.*]]
; CHECK: call_foo:
; CHECK-NEXT: tail call void [[FOO:%.*]](i32 [[V:%.*]])
; CHECK-NEXT: br label [[END:%.*]]
; CHECK: call_bar:
; CHECK-NEXT: tail call void [[BAR:%.*]](i32 [[V]])
; CHECK-NEXT: br label [[END]]
; CHECK: end:
; CHECK-NEXT: ret void
;
br i1 %c, label %call_foo, label %call_bar
call_foo:
tail call void %foo(i32 %v)
br label %end
call_bar:
tail call void %bar(i32 %v)
br label %end
end:
ret void
}
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)