mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-23 15:29:51 +00:00
cd70496ad1
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129774 91177308-0d34-0410-b5e6-96231b3b80d8
67 lines
1.6 KiB
LLVM
67 lines
1.6 KiB
LLVM
; RUN: llc < %s -march=thumb -mattr=-thumb2 | not grep pld
|
|
; RUN: llc < %s -march=thumb -mattr=+v7a | FileCheck %s -check-prefix=THUMB2
|
|
; RUN: llc < %s -march=arm -mattr=+v7a | FileCheck %s -check-prefix=ARM
|
|
; RUN: llc < %s -march=arm -mcpu=cortex-a9-mp | FileCheck %s -check-prefix=ARM-MP
|
|
; rdar://8601536
|
|
|
|
define void @t1(i8* %ptr) nounwind {
|
|
entry:
|
|
; ARM: t1:
|
|
; ARM-NOT: pldw [r0]
|
|
; ARM: pld [r0]
|
|
|
|
; ARM-MP: t1:
|
|
; ARM-MP: pldw [r0]
|
|
; ARM-MP: pld [r0]
|
|
|
|
; THUMB2: t1:
|
|
; THUMB2-NOT: pldw [r0]
|
|
; THUMB2: pld [r0]
|
|
tail call void @llvm.prefetch( i8* %ptr, i32 1, i32 3 )
|
|
tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 3 )
|
|
ret void
|
|
}
|
|
|
|
define void @t2(i8* %ptr) nounwind {
|
|
entry:
|
|
; ARM: t2:
|
|
; ARM: pld [r0, #1023]
|
|
|
|
; THUMB2: t2:
|
|
; THUMB2: pld [r0, #1023]
|
|
%tmp = getelementptr i8* %ptr, i32 1023
|
|
tail call void @llvm.prefetch( i8* %tmp, i32 0, i32 3 )
|
|
ret void
|
|
}
|
|
|
|
define void @t3(i32 %base, i32 %offset) nounwind {
|
|
entry:
|
|
; ARM: t3:
|
|
; ARM: pld [r0, r1, lsr #2]
|
|
|
|
; THUMB2: t3:
|
|
; THUMB2: lsrs r1, r1, #2
|
|
; THUMB2: pld [r0, r1]
|
|
%tmp1 = lshr i32 %offset, 2
|
|
%tmp2 = add i32 %base, %tmp1
|
|
%tmp3 = inttoptr i32 %tmp2 to i8*
|
|
tail call void @llvm.prefetch( i8* %tmp3, i32 0, i32 3 )
|
|
ret void
|
|
}
|
|
|
|
define void @t4(i32 %base, i32 %offset) nounwind {
|
|
entry:
|
|
; ARM: t4:
|
|
; ARM: pld [r0, r1, lsl #2]
|
|
|
|
; THUMB2: t4:
|
|
; THUMB2: pld [r0, r1, lsl #2]
|
|
%tmp1 = shl i32 %offset, 2
|
|
%tmp2 = add i32 %base, %tmp1
|
|
%tmp3 = inttoptr i32 %tmp2 to i8*
|
|
tail call void @llvm.prefetch( i8* %tmp3, i32 0, i32 3 )
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.prefetch(i8*, i32, i32) nounwind
|