mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-10-31 08:16:47 +00:00
c60a59cad3
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208316 91177308-0d34-0410-b5e6-96231b3b80d8
70 lines
1.8 KiB
LLVM
70 lines
1.8 KiB
LLVM
; RUN: llc -mtriple=arm-eabi %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-LE
|
|
; RUN: llc -mtriple=armeb-eabi %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-BE
|
|
|
|
define i64 @f0(i64 %A, i64 %B) {
|
|
; CHECK-LABEL: f0:
|
|
; CHECK-LE: lsrs r3, r3, #1
|
|
; CHECK-LE-NEXT: rrx r2, r2
|
|
; CHECK-LE-NEXT: subs r0, r0, r2
|
|
; CHECK-LE-NEXT: sbc r1, r1, r3
|
|
; CHECK-BE: lsrs r2, r2, #1
|
|
; CHECK-BE-NEXT: rrx r3, r3
|
|
; CHECK-BE-NEXT: subs r1, r1, r3
|
|
; CHECK-BE-NEXT: sbc r0, r0, r2
|
|
%tmp = bitcast i64 %A to i64
|
|
%tmp2 = lshr i64 %B, 1
|
|
%tmp3 = sub i64 %tmp, %tmp2
|
|
ret i64 %tmp3
|
|
}
|
|
|
|
define i32 @f1(i64 %x, i64 %y) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK-LE: lsl{{.*}}r2
|
|
; CHECK-BE: lsl{{.*}}r3
|
|
%a = shl i64 %x, %y
|
|
%b = trunc i64 %a to i32
|
|
ret i32 %b
|
|
}
|
|
|
|
define i32 @f2(i64 %x, i64 %y) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK-LE: lsr{{.*}}r2
|
|
; CHECK-LE-NEXT: rsb r3, r2, #32
|
|
; CHECK-LE-NEXT: sub r2, r2, #32
|
|
; CHECK-LE-NEXT: orr r0, r0, r1, lsl r3
|
|
; CHECK-LE-NEXT: cmp r2, #0
|
|
; CHECK-LE-NEXT: asrge r0, r1, r2
|
|
|
|
; CHECK-BE: lsr{{.*}}r3
|
|
; CHECK-BE-NEXT: rsb r2, r3, #32
|
|
; CHECK-BE-NEXT: orr r1, r1, r0, lsl r2
|
|
; CHECK-BE-NEXT: sub r2, r3, #32
|
|
; CHECK-BE-NEXT: cmp r2, #0
|
|
; CHECK-BE-NEXT: asrge r1, r0, r2
|
|
|
|
%a = ashr i64 %x, %y
|
|
%b = trunc i64 %a to i32
|
|
ret i32 %b
|
|
}
|
|
|
|
define i32 @f3(i64 %x, i64 %y) {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK-LE: lsr{{.*}}r2
|
|
; CHECK-LE-NEXT: rsb r3, r2, #32
|
|
; CHECK-LE-NEXT: sub r2, r2, #32
|
|
; CHECK-LE-NEXT: orr r0, r0, r1, lsl r3
|
|
; CHECK-LE-NEXT: cmp r2, #0
|
|
; CHECK-LE-NEXT: lsrge r0, r1, r2
|
|
|
|
; CHECK-BE: lsr{{.*}}r3
|
|
; CHECK-BE-NEXT: rsb r2, r3, #32
|
|
; CHECK-BE-NEXT: orr r1, r1, r0, lsl r2
|
|
; CHECK-BE-NEXT: sub r2, r3, #32
|
|
; CHECK-BE-NEXT: cmp r2, #0
|
|
; CHECK-BE-NEXT: lsrge r1, r0, r2
|
|
|
|
%a = lshr i64 %x, %y
|
|
%b = trunc i64 %a to i32
|
|
ret i32 %b
|
|
}
|