mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-27 13:30:05 +00:00
98 lines
2.1 KiB
LLVM
98 lines
2.1 KiB
LLVM
|
; Verify that i32 argument/return values are extended to i64
|
||
|
|
|
||
|
|
; RUN: llc < %s | FileCheck %s
|
||
|
|
target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
|
||
|
|
target triple = "powerpc64-unknown-linux-gnu"
|
||
|
|
|
||
|
|
@si = common global i32 0, align 4
|
||
|
|
@ui = common global i32 0, align 4
|
||
|
|
|
||
|
|
declare void @arg_si(i32 signext)
|
||
|
|
declare void @arg_ui(i32 zeroext)
|
||
|
|
|
||
|
|
declare signext i32 @ret_si()
|
||
|
|
declare zeroext i32 @ret_ui()
|
||
|
|
|
||
|
|
define void @pass_arg_si() nounwind {
|
||
|
|
entry:
|
||
|
|
%0 = load i32* @si, align 4
|
||
|
|
tail call void @arg_si(i32 signext %0) nounwind
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
; CHECK: @pass_arg_si
|
||
|
|
; CHECK: lwa 3,
|
||
|
|
; CHECK: bl arg_si
|
||
|
|
|
||
|
|
define void @pass_arg_ui() nounwind {
|
||
|
|
entry:
|
||
|
|
%0 = load i32* @ui, align 4
|
||
|
|
tail call void @arg_ui(i32 zeroext %0) nounwind
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
; CHECK: @pass_arg_ui
|
||
|
|
; CHECK: lwz 3,
|
||
|
|
; CHECK: bl arg_ui
|
||
|
|
|
||
|
|
define i64 @use_arg_si(i32 signext %x) nounwind readnone {
|
||
|
|
entry:
|
||
|
|
%conv = sext i32 %x to i64
|
||
|
|
ret i64 %conv
|
||
|
|
}
|
||
|
|
; CHECK: @use_arg_si
|
||
|
|
; CHECK: %entry
|
||
|
|
; CHECK-NEXT: blr
|
||
|
|
|
||
|
|
define i64 @use_arg_ui(i32 zeroext %x) nounwind readnone {
|
||
|
|
entry:
|
||
|
|
%conv = zext i32 %x to i64
|
||
|
|
ret i64 %conv
|
||
|
|
}
|
||
|
|
; CHECK: @use_arg_ui
|
||
|
|
; CHECK: %entry
|
||
|
|
; CHECK-NEXT: blr
|
||
|
|
|
||
|
|
define signext i32 @pass_ret_si() nounwind readonly {
|
||
|
|
entry:
|
||
|
|
%0 = load i32* @si, align 4
|
||
|
|
ret i32 %0
|
||
|
|
}
|
||
|
|
; CHECK: @pass_ret_si
|
||
|
|
; CHECK: lwa 3,
|
||
|
|
; CHECK: blr
|
||
|
|
|
||
|
|
define zeroext i32 @pass_ret_ui() nounwind readonly {
|
||
|
|
entry:
|
||
|
|
%0 = load i32* @ui, align 4
|
||
|
|
ret i32 %0
|
||
|
|
}
|
||
|
|
; CHECK: @pass_ret_ui
|
||
|
|
; CHECK: lwz 3,
|
||
|
|
; CHECK: blr
|
||
|
|
|
||
|
|
define i64 @use_ret_si() nounwind {
|
||
|
|
entry:
|
||
|
|
%call = tail call signext i32 @ret_si() nounwind
|
||
|
|
%conv = sext i32 %call to i64
|
||
|
|
ret i64 %conv
|
||
|
|
}
|
||
|
|
; CHECK: @use_ret_si
|
||
|
|
; CHECK: bl ret_si
|
||
|
|
; This is to verify the return register (3) set up by the ret_si
|
||
|
|
; call is passed on unmodified as return value of use_ret_si.
|
||
|
|
; CHECK-NOT: 3
|
||
|
|
; CHECK: blr
|
||
|
|
|
||
|
|
define i64 @use_ret_ui() nounwind {
|
||
|
|
entry:
|
||
|
|
%call = tail call zeroext i32 @ret_ui() nounwind
|
||
|
|
%conv = zext i32 %call to i64
|
||
|
|
ret i64 %conv
|
||
|
|
}
|
||
|
|
; CHECK: @use_ret_ui
|
||
|
|
; CHECK: bl ret_ui
|
||
|
|
; This is to verify the return register (3) set up by the ret_ui
|
||
|
|
; call is passed on unmodified as return value of use_ret_ui.
|
||
|
|
; CHECK-NOT: 3
|
||
|
|
; CHECK: blr
|
||
|
|
|