forked from OSchip/llvm-project
69 lines
3.4 KiB
LLVM
69 lines
3.4 KiB
LLVM
; RUN: opt %loadPolly -polly-codegen -S < %s | FileCheck %s
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;
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; void jd(int *A, int *B, int c) {
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; for (int i = 0; i < 1024; i++)
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; A[i] = B[c - 10] + B[5];
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; }
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;
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; CHECK: %[[Ctx:[._a-zA-Z0-9]*]] = and i1 true
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; CHECK-NEXT: %[[M0:[._a-zA-Z0-9]*]] = sext i32 %c to i64
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; CHECK-NEXT: %[[M3:[._a-zA-Z0-9]*]] = call { i64, i1 } @llvm.ssub.with.overflow.i64(i64 %[[M0]], i64 9)
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; CHECK-NEXT: %[[M3O:[._a-zA-Z0-9]*]] = extractvalue { i64, i1 } %[[M3]], 1
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; CHECK-NEXT: %[[OS0:[._a-zA-Z0-9]*]] = or i1 false, %[[M3O]]
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; CHECK-NEXT: %[[M3R:[._a-zA-Z0-9]*]] = extractvalue { i64, i1 } %[[M3]], 0
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; CHECK-NEXT: %[[M1:[._a-zA-Z0-9]*]] = icmp sgt i64 6, %[[M3R]]
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; CHECK-NEXT: %[[M4:[._a-zA-Z0-9]*]] = select i1 %[[M1]], i64 6, i64 %[[M3R]]
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; CHECK-NEXT: %[[BMax:[._a-zA-Z0-9]*]] = getelementptr i32, i32* %B, i64 %[[M4]]
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; CHECK-NEXT: %[[AMin:[._a-zA-Z0-9]*]] = getelementptr i32, i32* %A, i64 0
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; CHECK-NEXT: %[[BMaxI:[._a-zA-Z0-9]*]] = ptrtoint i32* %[[BMax]] to i64
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; CHECK-NEXT: %[[AMinI:[._a-zA-Z0-9]*]] = ptrtoint i32* %[[AMin]] to i64
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; CHECK-NEXT: %[[BltA:[._a-zA-Z0-9]*]] = icmp ule i64 %[[BMaxI]], %[[AMinI]]
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; CHECK-NEXT: %[[AMax:[._a-zA-Z0-9]*]] = getelementptr i32, i32* %A, i64 1024
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; CHECK-NEXT: %[[m0:[._a-zA-Z0-9]*]] = sext i32 %c to i64
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; CHECK-NEXT: %[[m3:[._a-zA-Z0-9]*]] = call { i64, i1 } @llvm.ssub.with.overflow.i64(i64 %[[m0]], i64 10)
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; CHECK-NEXT: %[[m3O:[._a-zA-Z0-9]*]] = extractvalue { i64, i1 } %[[m3]], 1
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; CHECK-NEXT: %[[OS1:[._a-zA-Z0-9]*]] = or i1 %[[OS0]], %[[m3O]]
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; CHECK-NEXT: %[[m3R:[._a-zA-Z0-9]*]] = extractvalue { i64, i1 } %[[m3]], 0
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; CHECK-NEXT: %[[m1:[._a-zA-Z0-9]*]] = icmp slt i64 5, %[[m3R]]
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; CHECK-NEXT: %[[m4:[._a-zA-Z0-9]*]] = select i1 %[[m1]], i64 5, i64 %[[m3R]]
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; CHECK-NEXT: %[[BMin:[._a-zA-Z0-9]*]] = getelementptr i32, i32* %B, i64 %[[m4]]
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; CHECK-NEXT: %[[AMaxI:[._a-zA-Z0-9]*]] = ptrtoint i32* %[[AMax]] to i64
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; CHECK-NEXT: %[[BMinI:[._a-zA-Z0-9]*]] = ptrtoint i32* %[[BMin]] to i64
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; CHECK-NEXT: %[[AltB:[._a-zA-Z0-9]*]] = icmp ule i64 %[[AMaxI]], %[[BMinI]]
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; CHECK-NEXT: %[[NoAlias:[._a-zA-Z0-9]*]] = or i1 %[[BltA]], %[[AltB]]
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; CHECK-NEXT: %[[RTC:[._a-zA-Z0-9]*]] = and i1 %[[Ctx]], %[[NoAlias]]
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; CHECK-NEXT: %[[NOV:[._a-zA-Z0-9]*]] = xor i1 %[[OS1]], true
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; CHECK-NEXT: %[[RTCV:[._a-zA-Z0-9]*]] = and i1 %[[RTC]], %[[NOV]]
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; CHECK-NEXT: br i1 %[[RTCV]], label %polly.start, label %for.cond
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;
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @jd(i32* %A, i32* %B, i32 %c) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
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%exitcond = icmp ne i64 %indvars.iv, 1024
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br i1 %exitcond, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%sub = add nsw i32 %c, -10
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%idxprom = sext i32 %sub to i64
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%arrayidx = getelementptr inbounds i32, i32* %B, i64 %idxprom
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%tmp = load i32, i32* %arrayidx, align 4
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%arrayidx1 = getelementptr inbounds i32, i32* %B, i64 5
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%tmp1 = load i32, i32* %arrayidx1, align 4
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%add = add nsw i32 %tmp, %tmp1
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%arrayidx3 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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store i32 %add, i32* %arrayidx3, align 4
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br label %for.inc
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for.inc: ; preds = %for.body
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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br label %for.cond
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for.end: ; preds = %for.cond
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ret void
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}
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