mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-24 23:29:41 +00:00
726bae9a66
We should apply fastcc whenever profitable. We can expand this list, but there are lots of conventions with performance implications that we don't want to change. Differential Revision: http://llvm-reviews.chandlerc.com/D2705 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202293 91177308-0d34-0410-b5e6-96231b3b80d8
47 lines
1.0 KiB
LLVM
47 lines
1.0 KiB
LLVM
; RUN: opt < %s -globalopt -S | FileCheck %s
|
|
|
|
define internal i32 @f(i32* %m) {
|
|
; CHECK-LABEL: define internal fastcc i32 @f
|
|
%v = load i32* %m
|
|
ret i32 %v
|
|
}
|
|
|
|
define internal x86_thiscallcc i32 @g(i32* %m) {
|
|
; CHECK-LABEL: define internal fastcc i32 @g
|
|
%v = load i32* %m
|
|
ret i32 %v
|
|
}
|
|
|
|
; Leave this one alone, because the user went out of their way to request this
|
|
; convention.
|
|
define internal coldcc i32 @h(i32* %m) {
|
|
; CHECK-LABEL: define internal coldcc i32 @h
|
|
%v = load i32* %m
|
|
ret i32 %v
|
|
}
|
|
|
|
define internal i32 @j(i32* %m) {
|
|
; CHECK-LABEL: define internal i32 @j
|
|
%v = load i32* %m
|
|
ret i32 %v
|
|
}
|
|
|
|
define void @call_things() {
|
|
%m = alloca i32
|
|
call i32 @f(i32* %m)
|
|
call x86_thiscallcc i32 @g(i32* %m)
|
|
call coldcc i32 @h(i32* %m)
|
|
call i32 @j(i32* %m)
|
|
ret void
|
|
}
|
|
|
|
@llvm.used = appending global [1 x i8*] [
|
|
i8* bitcast (i32(i32*)* @j to i8*)
|
|
], section "llvm.metadata"
|
|
|
|
; CHECK-LABEL: define void @call_things()
|
|
; CHECK: call fastcc i32 @f
|
|
; CHECK: call fastcc i32 @g
|
|
; CHECK: call coldcc i32 @h
|
|
; CHECK: call i32 @j
|