forked from OSchip/llvm-project
66 lines
3.2 KiB
LLVM
66 lines
3.2 KiB
LLVM
; RUN: opt %loadPolly -polly-codegen -polly-parallel -S < %s | FileCheck %s --check-prefix=AUTO
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; RUN: opt %loadPolly -polly-codegen -polly-parallel -polly-num-threads=1 -S < %s | FileCheck %s --check-prefix=ONE
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; RUN: opt %loadPolly -polly-codegen -polly-parallel -polly-num-threads=4 -S < %s | FileCheck %s --check-prefix=FOUR
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; RUN: opt %loadPolly -polly-codegen -polly-parallel -polly-omp-backend=LLVM -S < %s | FileCheck %s --check-prefix=LIBOMP-AUTO
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; RUN: opt %loadPolly -polly-codegen -polly-parallel -polly-omp-backend=LLVM -polly-num-threads=1 -S < %s | FileCheck %s --check-prefix=LIBOMP-ONE
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; RUN: opt %loadPolly -polly-codegen -polly-parallel -polly-omp-backend=LLVM -polly-num-threads=4 -S < %s | FileCheck %s --check-prefix=LIBOMP-FOUR
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; Ensure that the provided thread numbers are forwarded to the OpenMP calls.
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;
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; void storePosition(int *A) {
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; for (int i = 0; i < 1024; i++)
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; for (int j = 0; j < 1024; j++)
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; A[i + j * 1024] = 0;
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; }
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; AUTO: call void @GOMP_parallel_loop_runtime_start(void (i8*)* @storePosition_polly_subfn, i8* %polly.par.userContext{{[0-9]*}}, i32 0, i64 0, i64 1024, i64 1)
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; ONE: call void @GOMP_parallel_loop_runtime_start(void (i8*)* @storePosition_polly_subfn, i8* %polly.par.userContext{{[0-9]*}}, i32 1, i64 0, i64 1024, i64 1)
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; FOUR: call void @GOMP_parallel_loop_runtime_start(void (i8*)* @storePosition_polly_subfn, i8* %polly.par.userContext{{[0-9]*}}, i32 4, i64 0, i64 1024, i64 1)
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; In automatic mode, no threads are pushed explicitly.
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; LIBOMP-AUTO-NOT: call void @__kmpc_push_num_threads
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; LIBOMP-ONE: call void @__kmpc_push_num_threads(%struct.ident_t* @.loc.dummy{{[.0-9]*}}, i32 %{{[0-9]+}}, i32 1)
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; LIBOMP-FOUR: call void @__kmpc_push_num_threads(%struct.ident_t* @.loc.dummy{{[.0-9]*}}, i32 %{{[0-9]+}}, i32 4)
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @storePosition(i32* %A) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc4, %entry
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%indvars.iv3 = phi i64 [ %indvars.iv.next4, %for.inc4 ], [ 0, %entry ]
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%exitcond5 = icmp ne i64 %indvars.iv3, 1024
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br i1 %exitcond5, label %for.body, label %for.end6
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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.inc, %for.body
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %for.body ]
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%exitcond = icmp ne i64 %indvars.iv, 1024
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br i1 %exitcond, label %for.body3, label %for.end
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for.body3: ; preds = %for.cond1
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%tmp = shl nsw i64 %indvars.iv, 10
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%tmp6 = add nsw i64 %indvars.iv3, %tmp
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%arrayidx = getelementptr inbounds i32, i32* %A, i64 %tmp6
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store i32 0, i32* %arrayidx, align 4
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br label %for.inc
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for.inc: ; preds = %for.body3
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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br label %for.cond1
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for.end: ; preds = %for.cond1
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br label %for.inc4
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for.inc4: ; preds = %for.end
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%indvars.iv.next4 = add nuw nsw i64 %indvars.iv3, 1
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br label %for.cond
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for.end6: ; preds = %for.cond
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ret void
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}
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