119 lines
3.9 KiB
LLVM
119 lines
3.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=slp-vectorizer -S -slp-schedule-budget=16 -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.9.0"
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; Test if the budget for the scheduling region size works.
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; We test with a reduced budget of 16 which should prevent vectorizing the loads.
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declare void @unknown()
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define void @test(ptr %a, ptr %b, ptr %c, ptr %d) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP1:%.*]] = load <4 x float>, ptr [[A:%.*]], align 4
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: call void @unknown()
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; CHECK-NEXT: store <4 x float> [[TMP1]], ptr [[B:%.*]], align 4
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; CHECK-NEXT: [[TMP4:%.*]] = load <4 x float>, ptr [[C:%.*]], align 4
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; CHECK-NEXT: store <4 x float> [[TMP4]], ptr [[D:%.*]], align 4
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; CHECK-NEXT: ret void
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;
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entry:
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; Don't vectorize these loads.
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%l0 = load float, ptr %a
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%a1 = getelementptr inbounds float, ptr %a, i64 1
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%l1 = load float, ptr %a1
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%a2 = getelementptr inbounds float, ptr %a, i64 2
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%l2 = load float, ptr %a2
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%a3 = getelementptr inbounds float, ptr %a, i64 3
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%l3 = load float, ptr %a3
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; some unrelated instructions inbetween to enlarge the scheduling region
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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call void @unknown()
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; Don't vectorize these stores because their operands are too far away.
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store float %l0, ptr %b
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%b1 = getelementptr inbounds float, ptr %b, i64 1
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store float %l1, ptr %b1
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%b2 = getelementptr inbounds float, ptr %b, i64 2
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store float %l2, ptr %b2
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%b3 = getelementptr inbounds float, ptr %b, i64 3
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store float %l3, ptr %b3
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; But still vectorize the following instructions, because even if the budget
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; is exceeded there is a minimum region size.
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%l4 = load float, ptr %c
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%c1 = getelementptr inbounds float, ptr %c, i64 1
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%l5 = load float, ptr %c1
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%c2 = getelementptr inbounds float, ptr %c, i64 2
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%l6 = load float, ptr %c2
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%c3 = getelementptr inbounds float, ptr %c, i64 3
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%l7 = load float, ptr %c3
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store float %l4, ptr %d
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%d1 = getelementptr inbounds float, ptr %d, i64 1
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store float %l5, ptr %d1
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%d2 = getelementptr inbounds float, ptr %d, i64 2
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store float %l6, ptr %d2
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%d3 = getelementptr inbounds float, ptr %d, i64 3
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store float %l7, ptr %d3
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ret void
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}
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