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39dfb0ff84
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134590 91177308-0d34-0410-b5e6-96231b3b80d8
78 lines
1.8 KiB
LLVM
78 lines
1.8 KiB
LLVM
; RUN: llc < %s -march=thumb -mattr=-thumb2 | not grep pld
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; RUN: llc < %s -march=thumb -mattr=+v7 | FileCheck %s -check-prefix=THUMB2
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; RUN: llc < %s -march=arm -mattr=+v7 | FileCheck %s -check-prefix=ARM
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; RUN: llc < %s -march=arm -mcpu=cortex-a9-mp | FileCheck %s -check-prefix=ARM-MP
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; rdar://8601536
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define void @t1(i8* %ptr) nounwind {
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entry:
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; ARM: t1:
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; ARM-NOT: pldw [r0]
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; ARM: pld [r0]
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; ARM-MP: t1:
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; ARM-MP: pldw [r0]
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; ARM-MP: pld [r0]
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; THUMB2: t1:
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; THUMB2-NOT: pldw [r0]
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; THUMB2: pld [r0]
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tail call void @llvm.prefetch( i8* %ptr, i32 1, i32 3, i32 1 )
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tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 3, i32 1 )
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ret void
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}
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define void @t2(i8* %ptr) nounwind {
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entry:
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; ARM: t2:
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; ARM: pld [r0, #1023]
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; THUMB2: t2:
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; THUMB2: pld [r0, #1023]
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%tmp = getelementptr i8* %ptr, i32 1023
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tail call void @llvm.prefetch( i8* %tmp, i32 0, i32 3, i32 1 )
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ret void
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}
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define void @t3(i32 %base, i32 %offset) nounwind {
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entry:
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; ARM: t3:
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; ARM: pld [r0, r1, lsr #2]
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; THUMB2: t3:
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; THUMB2: lsrs r1, r1, #2
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; THUMB2: pld [r0, r1]
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%tmp1 = lshr i32 %offset, 2
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%tmp2 = add i32 %base, %tmp1
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%tmp3 = inttoptr i32 %tmp2 to i8*
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tail call void @llvm.prefetch( i8* %tmp3, i32 0, i32 3, i32 1 )
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ret void
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}
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define void @t4(i32 %base, i32 %offset) nounwind {
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entry:
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; ARM: t4:
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; ARM: pld [r0, r1, lsl #2]
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; THUMB2: t4:
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; THUMB2: pld [r0, r1, lsl #2]
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%tmp1 = shl i32 %offset, 2
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%tmp2 = add i32 %base, %tmp1
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%tmp3 = inttoptr i32 %tmp2 to i8*
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tail call void @llvm.prefetch( i8* %tmp3, i32 0, i32 3, i32 1 )
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ret void
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}
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declare void @llvm.prefetch(i8*, i32, i32, i32) nounwind
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define void @t5(i8* %ptr) nounwind {
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entry:
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; ARM: t5:
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; ARM: pli [r0]
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; THUMB2: t5:
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; THUMB2: pli [r0]
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tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 3, i32 0 )
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ret void
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}
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