forked from OSchip/llvm-project
68 lines
2.2 KiB
LLVM
68 lines
2.2 KiB
LLVM
; RUN: opt %loadPolly -basic-aa -polly-parallel -polly-parallel-force -polly-invariant-load-hoisting=true -polly-ast -analyze < %s | FileCheck %s -check-prefix=AST
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; RUN: opt %loadPolly -basic-aa -polly-parallel -polly-parallel-force -polly-invariant-load-hoisting=true -polly-codegen -S -verify-dom-info < %s | FileCheck %s -check-prefix=IR
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; The interesting part of this test case is the instruction:
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; %tmp = bitcast i8* %call to i64**
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; which is not part of the scop. In the SCEV based code generation not '%tmp',
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; but %call is a parameter of the SCoP and we need to make sure its value is
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; properly forwarded to the subfunction.
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; AST: #pragma omp parallel for
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; AST: for (int c0 = 0; c0 < cols; c0 += 1)
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; AST: Stmt_for_body(c0);
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; AST: if (cols <= 0)
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; AST: Stmt_for_body(0);
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; IR: @foo_polly_subfn
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @foo(i64 %cols, i8* noalias %call) {
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entry:
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%tmp = bitcast i8* %call to i64**
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br label %for.body
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for.body:
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%indvar = phi i64 [ %indvar.next, %for.body ], [ 0, %entry ]
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%arrayidx = getelementptr inbounds i64*, i64** %tmp, i64 0
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%tmp1 = load i64*, i64** %arrayidx, align 8
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%arrayidx.2 = getelementptr inbounds i64, i64* %tmp1, i64 %indvar
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store i64 1, i64* %arrayidx.2, align 4
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%indvar.next = add nsw i64 %indvar, 1
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%cmp = icmp slt i64 %indvar.next, %cols
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br i1 %cmp, label %for.body, label %end
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end:
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ret void
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}
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; Another variation of this test case, now with even more of the index
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; expression defined outside of the scop.
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; AST: #pragma omp parallel for
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; AST: for (int c0 = 0; c0 < cols; c0 += 1)
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; AST: Stmt_for_body(c0);
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; AST: if (cols <= 0)
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; AST: Stmt_for_body(0);
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; IR: @bar_polly_subfn
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define void @bar(i64 %cols, i8* noalias %call) {
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entry:
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%tmp = bitcast i8* %call to i64**
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%arrayidx = getelementptr inbounds i64*, i64** %tmp, i64 0
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br label %for.body
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for.body:
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%indvar = phi i64 [ %indvar.next, %for.body ], [ 0, %entry ]
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%tmp1 = load i64*, i64** %arrayidx, align 8
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%arrayidx.2 = getelementptr inbounds i64, i64* %tmp1, i64 %indvar
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store i64 1, i64* %arrayidx.2, align 4
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%indvar.next = add nsw i64 %indvar, 1
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%cmp = icmp slt i64 %indvar.next, %cols
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br i1 %cmp, label %for.body, label %end
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end:
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ret void
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}
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