forked from OSchip/llvm-project
58 lines
2.0 KiB
LLVM
58 lines
2.0 KiB
LLVM
; RUN: opt %loadPolly -analyze -polly-use-llvm-names -polly-scops \
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; RUN: -polly-invariant-load-hoisting < %s | FileCheck %s -check-prefix=SCOP
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; RUN: opt %loadPolly -S -polly-use-llvm-names -polly-codegen-ppcg \
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; RUN: -polly-invariant-load-hoisting < %s | FileCheck %s -check-prefix=HOST-IR
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; REQUIRES: pollyacc
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; Check that we detect a scop with invariant accesses.
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; SCOP: Function: f
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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: [beginval] -> { Stmt_entry_split[] -> MemRef_begin[0] };
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; SCOP-NEXT: Execution Context: [beginval] -> { : }
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; SCOP-NEXT: }
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; Check that the kernel launch is generated in the host IR.
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; This declaration would not have been generated unless a kernel launch exists.
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; HOST-IR: declare void @polly_launchKernel(i8*, i32, i32, i32, i32, i32, i8*)
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;
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; void f(int *begin, int *arr) {
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; for (int i = *begin; i < 100; i++) {
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; arr[i] = 0;
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; }
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; }
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target datalayout = "e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128"
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define void @f(i32* %begin, i32* %arr) {
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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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%beginval = load i32, i32* %begin, align 4
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%cmp1 = icmp slt i32 %beginval, 100
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br i1 %cmp1, label %for.body, label %for.end
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for.body: ; preds = %for.body.lr.ph, %for.body
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%ival = phi i32 [ %beginval, %entry.split ], [ %inc, %for.body ]
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%arrayidx = getelementptr inbounds i32, i32* %arr, i32 %ival
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store i32 0, i32* %arrayidx, align 4
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%inc = add nsw i32 %ival, 1
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%cmp = icmp slt i32 %ival, 99
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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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