derek.holloway
7502bf64a4
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144 lines
3.6 KiB
LLVM
144 lines
3.6 KiB
LLVM
; RUN: llc -mtriple=thumb-eabi -mattr=-thumb2 %s -o - | FileCheck %s -check-prefix CHECK-T1
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; RUN: llc -mtriple=thumb-eabi -mattr=+v7 %s -o - | FileCheck %s -check-prefix=THUMB2
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; RUN: llc -mtriple=thumb-eabi -mattr=+v7 -mattr=+mp %s -o - | FileCheck %s -check-prefix=THUMB2-MP
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; RUN: llc -mtriple=arm-eabi -mattr=+v7 %s -o - | FileCheck %s -check-prefix=ARM
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; RUN: llc -mtriple=arm-eabi -mcpu=cortex-a9 %s -o - | FileCheck %s -check-prefix=ARM-MP
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; rdar://8601536
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; CHECK-T1-NOT: pld
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define void @t1(ptr %ptr) nounwind {
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entry:
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; ARM-LABEL: t1:
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; ARM-NOT: pldw [r0]
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; ARM: pld [r0]
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; ARM-MP-LABEL: t1:
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; ARM-MP: pldw [r0]
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; ARM-MP: pld [r0]
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; THUMB2-LABEL: 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( ptr %ptr, i32 1, i32 3, i32 1 )
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tail call void @llvm.prefetch( ptr %ptr, i32 0, i32 3, i32 1 )
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ret void
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}
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define void @t2(ptr %ptr) nounwind {
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entry:
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; ARM-LABEL: t2:
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; ARM: pld [r0, #1023]
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; THUMB2-LABEL: t2:
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; THUMB2: pld [r0, #1023]
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%tmp = getelementptr i8, ptr %ptr, i32 1023
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tail call void @llvm.prefetch( ptr %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-LABEL: t3:
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; ARM: pld [r0, r1, lsr #2]
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; THUMB2-LABEL: 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 ptr
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tail call void @llvm.prefetch( ptr %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-LABEL: t4:
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; ARM: pld [r0, r1, lsl #2]
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; THUMB2-LABEL: 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 ptr
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tail call void @llvm.prefetch( ptr %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(ptr, i32, i32, i32) nounwind
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define void @t5(ptr %ptr) nounwind {
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entry:
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; ARM-LABEL: t5:
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; ARM: pli [r0]
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; THUMB2-LABEL: t5:
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; THUMB2: pli [r0]
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tail call void @llvm.prefetch( ptr %ptr, i32 0, i32 3, i32 0 )
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ret void
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}
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define void @t6() {
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entry:
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;ARM-LABEL: t6:
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;ARM: pld [sp]
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;ARM: pld [sp, #50]
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;ARM: pld [sp, #-50]
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;THUMB2-LABEL: t6:
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;THUMB2: pld [sp]
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;THUMB2: pld [sp, #50]
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;THUMB2: pld [sp, #-50]
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%red = alloca [100 x i8], align 1
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%0 = getelementptr inbounds [100 x i8], ptr %red, i32 0, i32 50
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%1 = getelementptr inbounds [100 x i8], ptr %red, i32 0, i32 -50
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call void @llvm.prefetch(ptr %red, i32 0, i32 3, i32 1)
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call void @llvm.prefetch(ptr %0, i32 0, i32 3, i32 1)
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call void @llvm.prefetch(ptr %1, i32 0, i32 3, i32 1)
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ret void
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}
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define void @t7() {
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entry:
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;ARM-LABEL: t7:
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;ARM-MP: pldw [sp]
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;ARM-MP: pldw [sp, #50]
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;ARM-MP: pldw [sp, #-50]
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;THUMB2-MP-LABEL: t7:
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;THUMB2-MP: pldw [sp]
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;THUMB2-MP: pldw [sp, #50]
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;THUMB2-MP: pldw [sp, #-50]
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%red = alloca [100 x i8], align 1
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%0 = getelementptr inbounds [100 x i8], ptr %red, i32 0, i32 50
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%1 = getelementptr inbounds [100 x i8], ptr %red, i32 0, i32 -50
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call void @llvm.prefetch(ptr %red, i32 1, i32 3, i32 1)
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call void @llvm.prefetch(ptr %0, i32 1, i32 3, i32 1)
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call void @llvm.prefetch(ptr %1, i32 1, i32 3, i32 1)
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ret void
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}
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define void @t8() {
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entry:
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;ARM-LABEL: t8:
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;ARM: pli [sp]
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;ARM: pli [sp, #50]
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;ARM: pli [sp, #-50]
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;THUMB2-LABEL: t8:
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;THUMB2: pli [sp]
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;THUMB2: pli [sp, #50]
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;THUMB2: pli [sp, #-50]
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%red = alloca [100 x i8], align 1
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%0 = getelementptr inbounds [100 x i8], ptr %red, i32 0, i32 50
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%1 = getelementptr inbounds [100 x i8], ptr %red, i32 0, i32 -50
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call void @llvm.prefetch(ptr %red, i32 0, i32 3, i32 0)
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call void @llvm.prefetch(ptr %0, i32 0, i32 3, i32 0)
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call void @llvm.prefetch(ptr %1, i32 0, i32 3, i32 0)
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ret void
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}
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