forked from OSchip/llvm-project
67 lines
2.1 KiB
LLVM
67 lines
2.1 KiB
LLVM
; RUN: opt %loadPolly -polly-detect -analyze \
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; RUN: -polly-invariant-load-hoisting=true < %s | FileCheck %s
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;
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; CHECK-NOT: Valid Region for Scop
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;
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; void foo(float A[], float B[], long *p) {
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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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; if (B[i])
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; A[i * (*p) + j] += i * j;
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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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define void @foo(float* %A, float* %B, i64* %p) {
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bb:
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br label %bb2
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bb2: ; preds = %bb21, %bb
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%i.0 = phi i64 [ 0, %bb ], [ %tmp22, %bb21 ]
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%exitcond1 = icmp ne i64 %i.0, 1024
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br i1 %exitcond1, label %bb3, label %bb23
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bb3: ; preds = %bb2
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br label %bb4
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bb4: ; preds = %bb18, %bb3
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%j.0 = phi i64 [ 0, %bb3 ], [ %tmp19, %bb18 ]
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%exitcond = icmp ne i64 %j.0, 1024
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br i1 %exitcond, label %bb5, label %bb20
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bb5: ; preds = %bb4
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%tmp = getelementptr inbounds float, float* %B, i64 %i.0
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%tmp6 = load float, float* %tmp, align 4
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%tmp7 = fcmp une float %tmp6, 0.000000e+00
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br i1 %tmp7, label %bb8, label %bb17
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bb8: ; preds = %bb5
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%tmp9 = mul nuw nsw i64 %i.0, %j.0
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%tmp10 = sitofp i64 %tmp9 to float
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%tmp11 = load i64, i64* %p, align 8
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%tmp12 = mul nsw i64 %i.0, %tmp11
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%tmp13 = add nsw i64 %tmp12, %j.0
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%tmp14 = getelementptr inbounds float, float* %A, i64 %tmp13
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%tmp15 = load float, float* %tmp14, align 4
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%tmp16 = fadd float %tmp15, %tmp10
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store float %tmp16, float* %tmp14, align 4
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br label %bb17
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bb17: ; preds = %bb8, %bb5
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br label %bb18
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bb18: ; preds = %bb17
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%tmp19 = add nuw nsw i64 %j.0, 1
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br label %bb4
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bb20: ; preds = %bb4
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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 %bb2
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bb23: ; preds = %bb2
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ret void
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}
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