forked from OSchip/llvm-project
95 lines
2.8 KiB
LLVM
95 lines
2.8 KiB
LLVM
; RUN: opt %loadPolly -polly-detect -analyze \
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; RUN: -polly-process-unprofitable=false < %s | FileCheck %s
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; CHECK: Valid Region for Scop: next => bb3
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;
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; void foo(float A[], long p) {
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; for (long x = 0; x < 1024; x++) {
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; __sync_synchronize();
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; if (p >= 0) {
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; for (long i = 0; i < 1024; i++)
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; for (long j = 0; j < 1024; j++)
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; A[i + j] += j;
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; }
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; }
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; }
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;
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-linux-gnu"
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define void @foo(float* %A, i64 %p) {
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bb:
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br label %bb3
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bb3: ; preds = %bb25, %bb
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%x.0 = phi i64 [ 0, %bb ], [ %tmp26, %bb25 ]
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%exitcond2 = icmp ne i64 %x.0, 1024
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br i1 %exitcond2, label %bb5, label %bb4
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bb4: ; preds = %bb3
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br label %bb27
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bb5: ; preds = %bb3
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fence seq_cst
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br label %next
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next:
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%tmp = icmp sgt i64 %p, -1
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br i1 %tmp, label %bb6, label %bb24
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bb6: ; preds = %bb5
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br label %bb7
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bb7: ; preds = %bb21, %bb6
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%i.0 = phi i64 [ 0, %bb6 ], [ %tmp22, %bb21 ]
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%exitcond1 = icmp ne i64 %i.0, 1024
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br i1 %exitcond1, label %bb9, label %bb8
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bb8: ; preds = %bb7
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br label %bb23
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bb9: ; preds = %bb7
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br label %bb10
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bb10: ; preds = %bb18, %bb9
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%j.0 = phi i64 [ 0, %bb9 ], [ %tmp19, %bb18 ]
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%exitcond = icmp ne i64 %j.0, 1024
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br i1 %exitcond, label %bb12, label %bb11
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bb11: ; preds = %bb10
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br label %bb20
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bb12: ; preds = %bb10
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%tmp13 = sitofp i64 %j.0 to float
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%tmp14 = add nuw nsw i64 %i.0, %j.0
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%tmp15 = getelementptr inbounds float, float* %A, i64 %tmp14
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%tmp16 = load float, float* %tmp15, align 4
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%tmp17 = fadd float %tmp16, %tmp13
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store float %tmp17, float* %tmp15, align 4
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br label %bb18
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bb18: ; preds = %bb12
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%tmp19 = add nuw nsw i64 %j.0, 1
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br label %bb10
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bb20: ; preds = %bb11
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br label %bb21
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bb21: ; preds = %bb20
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%tmp22 = add nuw nsw i64 %i.0, 1
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br label %bb7
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bb23: ; preds = %bb8
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br label %bb24
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bb24: ; preds = %bb23, %bb5
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br label %bb25
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bb25: ; preds = %bb24
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%tmp26 = add nuw nsw i64 %x.0, 1
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br label %bb3
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bb27: ; preds = %bb4
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ret void
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}
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