forked from OSchip/llvm-project
68 lines
2.2 KiB
LLVM
68 lines
2.2 KiB
LLVM
; RUN: opt %loadPolly -polly-codegen-ppcg -polly-acc-dump-kernel-ir \
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; RUN: -disable-output < %s | \
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; RUN: FileCheck -check-prefix=IR %s
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; REQUIRES: pollyacc,nvptx
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; void foo(long n, float A[][n]) {
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; for (long i = 0; i < 32; i++)
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; for (long j = 0; j < 32; j++)
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; A[i][j] += A[i + 1][j + 1];
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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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; This test case failed at some point as %n was only available in this kernel
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; when referenced through an isl_id in an isl ast expression, but not when
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; it was referenced from a SCEV or instruction that not part of any loop
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; bound.
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; IR: %polly.access.mul.MemRef_A6 = mul nsw i64 {{.*}}, %n
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define void @foo(i64 %n, float* %A) {
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bb:
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br label %bb2
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bb2: ; preds = %bb19, %bb
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%i.0 = phi i64 [ 0, %bb ], [ %tmp20, %bb19 ]
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%exitcond1 = icmp ne i64 %i.0, 32
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br i1 %exitcond1, label %bb3, label %bb21
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bb3: ; preds = %bb2
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br label %bb4
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bb4: ; preds = %bb16, %bb3
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%j.0 = phi i64 [ 0, %bb3 ], [ %tmp17, %bb16 ]
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%exitcond = icmp ne i64 %j.0, 32
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br i1 %exitcond, label %bb5, label %bb18
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bb5: ; preds = %bb4
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%tmp = add nuw nsw i64 %j.0, 1
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%tmp6 = add nuw nsw i64 %i.0, 1
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%tmp7 = mul nsw i64 %tmp6, %n
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%tmp8 = getelementptr inbounds float, float* %A, i64 %tmp7
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%tmp9 = getelementptr inbounds float, float* %tmp8, i64 %tmp
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%tmp10 = load float, float* %tmp9, align 4
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%tmp11 = mul nsw i64 %i.0, %n
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%tmp12 = getelementptr inbounds float, float* %A, i64 %tmp11
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%tmp13 = getelementptr inbounds float, float* %tmp12, i64 %j.0
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%tmp14 = load float, float* %tmp13, align 4
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%tmp15 = fadd float %tmp14, %tmp10
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store float %tmp15, float* %tmp13, align 4
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br label %bb16
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bb16: ; preds = %bb5
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%tmp17 = add nuw nsw i64 %j.0, 1
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br label %bb4
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bb18: ; preds = %bb4
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br label %bb19
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bb19: ; preds = %bb18
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%tmp20 = add nuw nsw i64 %i.0, 1
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br label %bb2
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bb21: ; preds = %bb2
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ret void
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}
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