f4ee371e60
These flags are now always passed to all tests and need to be disabled if not needed. Disabling these flags, rather than passing them to almost all tests, significantly simplfies our RUN: lines. llvm-svn: 249422
102 lines
4.1 KiB
LLVM
102 lines
4.1 KiB
LLVM
; RUN: opt %loadPolly -polly-parallel -polly-ast -analyze < %s | FileCheck %s -check-prefix=AST
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; RUN: opt %loadPolly -polly-parallel -polly-codegen -S < %s | FileCheck %s -check-prefix=IR
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;
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; float A[100];
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;
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; void loop_references_outer_ids(long n) {
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; for (long i = 0; i < 100; i++)
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; for (long j = 0; j < 100; j++)
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; for (long k = 0; k < n + i; k++)
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; A[j] += i + j + k;
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; }
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; In this test case we verify that the j-loop is generated as OpenMP parallel
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; loop and that the values of 'i' and 'n', needed in the loop bounds of the
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; k-loop, are correctly passed to the subfunction.
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; AST: #pragma minimal dependence distance: 1
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; AST: for (int c0 = max(0, -n + 1); c0 <= 99; c0 += 1)
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; AST: #pragma omp parallel for
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; AST: for (int c1 = 0; c1 <= 99; c1 += 1)
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; AST: #pragma minimal dependence distance: 1
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; AST: for (int c2 = 0; c2 < n + c0; c2 += 1)
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; AST: Stmt_for_body6(c0, c1, c2);
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; IR: %polly.par.userContext = alloca { i64, i64 }
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; IR: %[[R0:[0-9a-z.]+]] = bitcast { i64, i64 }* %polly.par.userContext to i8*
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; IR-NEXT: call void @llvm.lifetime.start(i64 16, i8* %[[R0]])
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; IR-NEXT: %[[R1:[0-9a-z.]+]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* %polly.par.userContext, i32 0, i32 0
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; IR-NEXT: store i64 %n, i64* %[[R1]]
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; IR-NEXT: %[[R2:[0-9a-z.]+]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* %polly.par.userContext, i32 0, i32 1
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; IR-NEXT: store i64 %polly.indvar, i64* %[[R2]]
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; IR-NEXT: %polly.par.userContext1 = bitcast { i64, i64 }* %polly.par.userContext to i8*
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; IR-LABEL: @loop_references_outer_ids_polly_subfn(i8* %polly.par.userContext)
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; IR: %polly.par.userContext1 = bitcast i8* %polly.par.userContext to { i64, i64 }*
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; IR-NEXT: %[[R3:[0-9a-z.]+]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* %polly.par.userContext1, i32 0, i32 0
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; IR-NEXT: %[[R4:[0-9a-z.]+]] = load i64, i64* %[[R3]]
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; IR-NEXT: %[[R5:[0-9a-z.]+]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* %polly.par.userContext1, i32 0, i32 1
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; IR-NEXT: %[[R6:[0-9a-z.]+]] = load i64, i64* %[[R5]]
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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@A = common global [100 x float] zeroinitializer, align 16
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define void @loop_references_outer_ids(i64 %n) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc03, %entry
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%i.0 = phi i64 [ 0, %entry ], [ %inc04, %for.inc03 ]
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%exitcond1 = icmp ne i64 %i.0, 100
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br i1 %exitcond1, label %for.body, label %for.end15
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for.body: ; preds = %for.cond
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br label %for.cond1
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for.cond1: ; preds = %for.inc00, %for.body
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%j.0 = phi i64 [ 0, %for.body ], [ %inc01, %for.inc00 ]
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%exitcond = icmp ne i64 %j.0, 100
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br i1 %exitcond, label %for.body3, label %for.end12
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for.body3: ; preds = %for.cond1
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br label %for.cond4
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for.cond4: ; preds = %for.inc, %for.body3
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%k.0 = phi i64 [ 0, %for.body3 ], [ %inc, %for.inc ]
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%add = add nsw i64 %i.0, %n
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%cmp5 = icmp slt i64 %k.0, %add
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br i1 %cmp5, label %for.body6, label %for.end
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for.body6: ; preds = %for.cond4
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%add7 = add nsw i64 %i.0, %j.0
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%add8 = add nsw i64 %add7, %k.0
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%conv = sitofp i64 %add8 to float
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%arrayidx = getelementptr inbounds [100 x float], [100 x float]* @A, i64 0, i64 %j.0
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%tmp = load float, float* %arrayidx, align 4
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%add9 = fadd float %tmp, %conv
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store float %add9, float* %arrayidx, align 4
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br label %for.inc
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for.inc: ; preds = %for.body6
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%inc = add nsw i64 %k.0, 1
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br label %for.cond4
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for.end: ; preds = %for.cond4
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br label %for.inc00
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for.inc00: ; preds = %for.end
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%inc01 = add nsw i64 %j.0, 1
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br label %for.cond1
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for.end12: ; preds = %for.cond1
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br label %for.inc03
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for.inc03: ; preds = %for.end12
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%inc04 = add nsw i64 %i.0, 1
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br label %for.cond
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for.end15: ; preds = %for.cond
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ret void
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}
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