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test/Isl/CodeGen/OpenMP/loop-body-references-outer-values-3.ll
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| ; RUN: opt %loadPolly -basicaa -polly-parallel -polly-ast -analyze < %s | FileCheck %s -check-prefix=AST | |||||
| ; RUN: opt %loadPolly -basicaa -polly-parallel -polly-codegen-isl -S -verify-dom-info < %s | FileCheck %s -check-prefix=IR | |||||
| ; RUN: opt %loadPolly -basicaa -polly-parallel -polly-codegen-isl -S -polly-codegen-scev -verify-dom-info < %s | FileCheck %s -check-prefix=IR | |||||
| ; The interesting part of this test case is the instruction: | |||||
| ; %tmp = bitcast i8* %call to i64** | |||||
| ; which is not part of the scop. In the SCEV based code generation not '%tmp', | |||||
| ; but %call is a parameter of the SCoP and we need to make sure its value is | |||||
| ; properly forwarded to the subfunction. | |||||
| ; AST: #pragma omp parallel for | |||||
| ; AST: for (int c1 = 0; c1 < cols; c1 += 1) | |||||
| ; AST: Stmt_for_body(c1); | |||||
| ; IR: @foo.polly.subfn | |||||
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" | |||||
| target triple = "x86_64-unknown-linux-gnu" | |||||
| define void @foo(i64 %cols, i8* noalias %call) { | |||||
| entry: | |||||
| %tmp = bitcast i8* %call to i64** | |||||
| br label %for.body | |||||
| for.body: | |||||
| %indvar = phi i64 [ %indvar.next, %for.body ], [ 0, %entry ] | |||||
| %arrayidx = getelementptr inbounds i64** %tmp, i64 0 | |||||
| %tmp1 = load i64** %arrayidx, align 8 | |||||
| %arrayidx.2 = getelementptr inbounds i64* %tmp1, i64 %indvar | |||||
| store i64 1, i64* %arrayidx.2, align 4 | |||||
| %indvar.next = add nsw i64 %indvar, 1 | |||||
| %cmp = icmp slt i64 %indvar.next, %cols | |||||
| br i1 %cmp, label %for.body, label %end | |||||
| end: | |||||
| ret void | |||||
| } | |||||
| ; Another variation of this test case, now with even more of the index | |||||
| ; expression defined outside of the scop. | |||||
| ; AST: #pragma omp parallel for | |||||
| ; AST: for (int c1 = 0; c1 < cols; c1 += 1) | |||||
| ; AST: Stmt_for_body(c1); | |||||
| ; IR: @bar.polly.subfn | |||||
| define void @bar(i64 %cols, i8* noalias %call) { | |||||
| entry: | |||||
| %tmp = bitcast i8* %call to i64** | |||||
| %arrayidx = getelementptr inbounds i64** %tmp, i64 0 | |||||
| br label %for.body | |||||
| for.body: | |||||
| %indvar = phi i64 [ %indvar.next, %for.body ], [ 0, %entry ] | |||||
| %tmp1 = load i64** %arrayidx, align 8 | |||||
| %arrayidx.2 = getelementptr inbounds i64* %tmp1, i64 %indvar | |||||
| store i64 1, i64* %arrayidx.2, align 4 | |||||
| %indvar.next = add nsw i64 %indvar, 1 | |||||
| %cmp = icmp slt i64 %indvar.next, %cols | |||||
| br i1 %cmp, label %for.body, label %end | |||||
| end: | |||||
| ret void | |||||
| } | |||||