forked from OSchip/llvm-project
111 lines
4.6 KiB
LLVM
111 lines
4.6 KiB
LLVM
; RUN: opt %loadPolly -polly-scops -polly-invariant-load-hoisting=true -analyze < %s | FileCheck %s
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;
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; Verify that we only have one parameter and one invariant load for all
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; three loads that occure in the region but actually access the same
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; location. Also check that the execution context is the most generic
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; one, e.g., here the universal set.
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;
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; CHECK: Invariant Accesses: {
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [bounds0l0, p] -> { Stmt_for_cond_4[i0, i1, i2] -> MemRef_bounds[0] };
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; CHECK-NEXT: Execution Context: [bounds0l0, p] -> { : }
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; CHECK-NEXT: }
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;
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; CHECK: p0: %bounds0l0
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; CHECK-NEXT: p1: %p
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; CHECK-NOT: p2
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;
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; CHECK: Statements {
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; CHECK-NEXT: Stmt_for_body_6
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: [bounds0l0, p] -> { Stmt_for_body_6[i0, i1, i2] : p = 0 and 0 <= i0 < bounds0l0 and 0 <= i1 < bounds0l0 and 0 <= i2 < bounds0l0 };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: [bounds0l0, p] -> { Stmt_for_body_6[i0, i1, i2] -> [i0, i1, i2] };
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [bounds0l0, p] -> { Stmt_for_body_6[i0, i1, i2] -> MemRef_data[i0, i1, i2] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: [bounds0l0, p] -> { Stmt_for_body_6[i0, i1, i2] -> MemRef_data[i0, i1, i2] };
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; CHECK-NEXT: }
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;
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; int bounds[1];
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; double data[1024][1024][1024];
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;
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; void foo(int p) {
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; int i, j, k;
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; for (k = 0; k < bounds[0]; k++)
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; if (p == 0)
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; for (j = 0; j < bounds[0]; j++)
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; for (i = 0; i < bounds[0]; i++)
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; data[k][j][i] += i + j + k;
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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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@bounds = common global [1 x i32] zeroinitializer, align 4
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@data = common global [1024 x [1024 x [1024 x double]]] zeroinitializer, align 16
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define void @foo(i32 %p) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc.16, %entry
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%indvars.iv5 = phi i64 [ %indvars.iv.next6, %for.inc.16 ], [ 0, %entry ]
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%bounds0l0 = load i32, i32* getelementptr inbounds ([1 x i32], [1 x i32]* @bounds, i64 0, i64 0), align 4
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%tmp7 = sext i32 %bounds0l0 to i64
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%cmp = icmp slt i64 %indvars.iv5, %tmp7
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br i1 %cmp, label %for.body, label %for.end.18
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for.body: ; preds = %for.cond
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%cmpp = icmp eq i32 %p, 0
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br i1 %cmpp, label %for.cond.1, label %for.inc.16
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for.cond.1: ; preds = %for.inc.13, %for.body
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%indvars.iv3 = phi i64 [ %indvars.iv.next4, %for.inc.13 ], [ 0, %for.body ]
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%bounds0l1 = load i32, i32* getelementptr inbounds ([1 x i32], [1 x i32]* @bounds, i64 0, i64 0), align 4
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%tmp9 = sext i32 %bounds0l1 to i64
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%cmp2 = icmp slt i64 %indvars.iv3, %tmp9
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br i1 %cmp2, label %for.body.3, label %for.end.15
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for.body.3: ; preds = %for.cond.1
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br label %for.cond.4
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for.cond.4: ; preds = %for.inc, %for.body.3
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %for.body.3 ]
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%bounds0l2 = load i32, i32* getelementptr inbounds ([1 x i32], [1 x i32]* @bounds, i64 0, i64 0), align 4
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%tmp11 = sext i32 %bounds0l2 to i64
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%cmp5 = icmp slt i64 %indvars.iv, %tmp11
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br i1 %cmp5, label %for.body.6, label %for.end
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for.body.6: ; preds = %for.cond.4
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%tmp12 = add nsw i64 %indvars.iv, %indvars.iv3
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%tmp13 = add nsw i64 %tmp12, %indvars.iv5
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%tmp14 = trunc i64 %tmp13 to i32
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%conv = sitofp i32 %tmp14 to double
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%arrayidx11 = getelementptr inbounds [1024 x [1024 x [1024 x double]]], [1024 x [1024 x [1024 x double]]]* @data, i64 0, i64 %indvars.iv5, i64 %indvars.iv3, i64 %indvars.iv
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%tmp15 = load double, double* %arrayidx11, align 8
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%add12 = fadd double %tmp15, %conv
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store double %add12, double* %arrayidx11, align 8
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br label %for.inc
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for.inc: ; preds = %for.body.6
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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br label %for.cond.4
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for.end: ; preds = %for.cond.4
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br label %for.inc.13
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for.inc.13: ; preds = %for.end
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%indvars.iv.next4 = add nuw nsw i64 %indvars.iv3, 1
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br label %for.cond.1
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for.end.15: ; preds = %for.cond.1
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br label %for.inc.16
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for.inc.16: ; preds = %for.end.15
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%indvars.iv.next6 = add nuw nsw i64 %indvars.iv5, 1
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br label %for.cond
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for.end.18: ; preds = %for.cond
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ret void
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}
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