derek.holloway
7502bf64a4
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90 lines
3.8 KiB
LLVM
90 lines
3.8 KiB
LLVM
; RUN: opt %loadNPMPolly -S '-passes=polly<no-default-opts>' < %s | FileCheck %s
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;
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; int jd(int *restrict A, int x, int N) {
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; for (int i = 1; i < N; i++)
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; for (int j = 3; j < N; j++)
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; x += A[i];
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; return x;
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; }
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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 i32 @jd(ptr noalias %A, i32 %x, i32 %N) {
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entry:
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; CHECK-LABEL: entry:
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; CHECK-DAG: %x.addr.1.lcssa.s2a = alloca i32
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; CHECK-DAG: %x.addr.1.lcssa.phiops = alloca i32
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; CHECK-DAG: %x.addr.1.s2a = alloca i32
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; CHECK-DAG: %x.addr.1.phiops = alloca i32
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; CHECK-DAG: %x.addr.0.s2a = alloca i32
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; CHECK-DAG: %x.addr.0.phiops = alloca i32
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%tmp = sext i32 %N to i64
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br label %for.cond
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; CHECK-LABEL: polly.merge_new_and_old:
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; CHECK: %x.addr.0.merge = phi i32 [ %x.addr.0.final_reload, %polly.exiting ], [ %x.addr.0, %for.cond ]
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; CHECK: ret i32 %x.addr.0.merge
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; CHECK-LABEL: polly.start:
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; CHECK: store i32 %x, ptr %x.addr.0.phiops
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; CHECK-LABEL: polly.exiting:
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; CHECK: %x.addr.0.final_reload = load i32, ptr %x.addr.0.s2a
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for.cond: ; preds = %for.inc4, %entry
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; CHECK-LABEL: polly.stmt.for.cond{{[0-9]*}}:
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; CHECK: %x.addr.0.phiops.reload[[R1:[0-9]*]] = load i32, ptr %x.addr.0.phiops
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; CHECK: store i32 %x.addr.0.phiops.reload[[R1]], ptr %x.addr.0.s2a
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc4 ], [ 1, %entry ]
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%x.addr.0 = phi i32 [ %x, %entry ], [ %x.addr.1.lcssa, %for.inc4 ]
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%cmp = icmp slt i64 %indvars.iv, %tmp
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br i1 %cmp, label %for.body, label %for.end6
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for.body: ; preds = %for.cond
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; CHECK-LABEL: polly.stmt.for.body:
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; CHECK: %x.addr.0.s2a.reload[[R2:[0-9]*]] = load i32, ptr %x.addr.0.s2a
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; CHECK: store i32 %x.addr.0.s2a.reload[[R2]], ptr %x.addr.1.phiops
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br label %for.cond1
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for.cond1: ; preds = %for.inc, %for.body
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; CHECK-LABEL: polly.stmt.for.cond1:
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; CHECK: %x.addr.1.phiops.reload = load i32, ptr %x.addr.1.phiops
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; CHECK: store i32 %x.addr.1.phiops.reload, ptr %x.addr.1.s2a[[R6:[0-9]*]]
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; CHECK: store i32 %x.addr.1.phiops.reload, ptr %x.addr.1.lcssa.phiops
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%x.addr.1 = phi i32 [ %x.addr.0, %for.body ], [ %add, %for.inc ]
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%j.0 = phi i32 [ 3, %for.body ], [ %inc, %for.inc ]
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%exitcond = icmp ne i32 %j.0, %N
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br i1 %exitcond, label %for.body3, label %for.end
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for.inc: ; preds = %for.body3
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; CHECK-LABEL: polly.stmt.for.inc:
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; CHECK: %x.addr.1.s2a.reload[[R3:[0-9]*]] = load i32, ptr %x.addr.1.s2a
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; CHECK: %p_add = add nsw i32 %x.addr.1.s2a.reload[[R3]], %tmp1_p_scalar_
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; CHECK: store i32 %p_add, ptr %x.addr.1.phiops
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%arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
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%tmp1 = load i32, ptr %arrayidx, align 4
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%add = add nsw i32 %x.addr.1, %tmp1
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%inc = add nsw i32 %j.0, 1
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br label %for.cond1
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for.end: ; preds = %for.cond1
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; CHECK-LABEL: polly.stmt.for.end:
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; CHECK-NEXT: %x.addr.1.lcssa.phiops.reload = load i32, ptr %x.addr.1.lcssa.phiops
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; CHECK-NEXT: store i32 %x.addr.1.lcssa.phiops.reload, ptr %x.addr.1.lcssa.s2a[[R4:[0-9]*]]
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%x.addr.1.lcssa = phi i32 [ %x.addr.1, %for.cond1 ]
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br label %for.inc4
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for.inc4: ; preds = %for.end
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; CHECK-LABEL: polly.stmt.for.inc4:
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; CHECK: %x.addr.1.lcssa.s2a.reload[[R5:[0-9]*]] = load i32, ptr %x.addr.1.lcssa.s2a[[R4]]
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; CHECK: store i32 %x.addr.1.lcssa.s2a.reload[[R5]], ptr %x.addr.0.phiops
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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.body3: ; preds = %for.cond1
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br label %for.inc
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for.end6: ; preds = %for.cond
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ret i32 %x.addr.0
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}
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