2017-07-25 20:35:36 +08:00
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; RUN: opt %loadPolly -polly-scops -polly-invariant-load-hoisting \
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; RUN: -analyze < %s | \
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; RUN: FileCheck -check-prefix=SCOP %s
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; RUN: opt %loadPolly -polly-codegen-ppcg -polly-invariant-load-hoisting \
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; RUN: -S < %s | \
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; RUN: FileCheck -check-prefix=HOST-IR %s
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; RUN: opt %loadPolly -polly-codegen-ppcg -polly-invariant-load-hoisting \
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; RUN: -disable-output -polly-acc-dump-kernel-ir < %s | \
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; RUN: FileCheck -check-prefix=KERNEL-IR %s
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; REQUIRES: pollyacc
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; Check that we offload invariant loads of scalars correctly.
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; Check that invariant loads are present.
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; SCOP: Function: checkPrivatization
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; SCOP-NEXT: Region: %entry.split---%for.end
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; SCOP-NEXT: Max Loop Depth: 1
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; SCOP-NEXT: Invariant Accesses: {
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; SCOP-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; SCOP-NEXT: [tmp, tmp2] -> { Stmt_entry_split[] -> MemRef_begin[0] };
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; SCOP-NEXT: Execution Context: [tmp, tmp2] -> { : }
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; SCOP-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; SCOP-NEXT: [tmp, tmp2] -> { Stmt_for_body[i0] -> MemRef_end[0] };
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; SCOP-NEXT: Execution Context: [tmp, tmp2] -> { : }
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; SCOP-NEXT: }
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;
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; Check that we do not actually allocate arrays for %begin, %end, since they are
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; invariant load hoisted.
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2017-12-01 22:16:39 +08:00
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; HOST-IR: %p_dev_array_MemRef_A = call i8* @polly_allocateMemoryForDevice
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2017-07-25 20:35:36 +08:00
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; HOST-IR-NOT: call i8* @polly_allocateMemoryForDevice
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; Check that we send the invariant loaded scalars as parameters to the
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; kernel function.
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; KERNEL-IR: define ptx_kernel void @FUNC_checkPrivatization_SCOP_0_KERNEL_0
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; KERNEL-IR-SAME: (i8 addrspace(1)* %MemRef_A, i32 %tmp,
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; KERNEL-IR-SAME: i32 %tmp2, i32 %polly.access.begin.load,
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; KERNEL-IR-SAME: i32 %polly.access.end.load)
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; void checkScalarPointerOffload(int A[], int *begin, int *end) {
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; for(int i = *begin; i < *end; i++) {
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; A[i] = 10;
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; }
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; }
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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-macosx10.12.0"
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define void @checkPrivatization(i32* %A, i32* %begin, i32* %end) {
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entry:
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br label %entry.split
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entry.split: ; preds = %entry
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%tmp = load i32, i32* %begin, align 4
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%tmp21 = load i32, i32* %end, align 4
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%cmp3 = icmp slt i32 %tmp, %tmp21
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br i1 %cmp3, label %for.body.lr.ph, label %for.end
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for.body.lr.ph: ; preds = %entry.split
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%tmp1 = sext i32 %tmp to i64
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br label %for.body
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for.body: ; preds = %for.body.lr.ph, %for.body
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%indvars.iv4 = phi i64 [ %tmp1, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
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%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv4
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store i32 10, i32* %arrayidx, align 4
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%indvars.iv.next = add i64 %indvars.iv4, 1
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%tmp2 = load i32, i32* %end, align 4
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%tmp3 = sext i32 %tmp2 to i64
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%cmp = icmp slt i64 %indvars.iv.next, %tmp3
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br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge
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for.cond.for.end_crit_edge: ; preds = %for.body
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br label %for.end
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for.end: ; preds = %for.cond.for.end_crit_edge, %entry.split
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ret void
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}
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