forked from OSchip/llvm-project
59 lines
1.8 KiB
LLVM
59 lines
1.8 KiB
LLVM
; RUN: opt %loadPolly -polly-codegen-ppcg -S < %s | \
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; RUN: FileCheck %s -check-prefix=IR
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;
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; REQUIRES: pollyacc
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;
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; void foo(long n, float A[][32]) {
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; for (long i = 0; i < n; i++)
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; for (long j = 0; j < n; j++)
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; A[i][j] += A[i + 1][j + 1];
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; }
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; IR: %tmp = icmp slt i64 %i.0, %n
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; IR-NEXT: br i1 %tmp, label %bb2, label %polly.merge_new_and_old
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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(i64 %n, [32 x float]* %A) {
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bb:
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br label %bb1
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bb1: ; preds = %bb15, %bb
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%i.0 = phi i64 [ 0, %bb ], [ %tmp16, %bb15 ]
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%tmp = icmp slt i64 %i.0, %n
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br i1 %tmp, label %bb2, label %bb17
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bb2: ; preds = %bb1
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br label %bb3
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bb3: ; preds = %bb12, %bb2
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%j.0 = phi i64 [ 0, %bb2 ], [ %tmp13, %bb12 ]
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%exitcond = icmp ne i64 %j.0, %n
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br i1 %exitcond, label %bb4, label %bb14
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bb4: ; preds = %bb3
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%tmp5 = add nuw nsw i64 %j.0, 1
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%tmp6 = add nuw nsw i64 %i.0, 1
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%tmp7 = getelementptr inbounds [32 x float], [32 x float]* %A, i64 %tmp6, i64 %tmp5
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%tmp8 = load float, float* %tmp7, align 4
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%tmp9 = getelementptr inbounds [32 x float], [32 x float]* %A, i64 %i.0, i64 %j.0
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%tmp10 = load float, float* %tmp9, align 4
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%tmp11 = fadd float %tmp10, %tmp8
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store float %tmp11, float* %tmp9, align 4
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br label %bb12
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bb12: ; preds = %bb4
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%tmp13 = add nuw nsw i64 %j.0, 1
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br label %bb3
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bb14: ; preds = %bb3
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br label %bb15
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bb15: ; preds = %bb14
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%tmp16 = add nuw nsw i64 %i.0, 1
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br label %bb1
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bb17: ; preds = %bb1
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ret void
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}
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