forked from OSchip/llvm-project
77 lines
2.5 KiB
LLVM
77 lines
2.5 KiB
LLVM
; RUN: opt %loadPolly -polly-opt-isl -polly-codegen -polly-vectorizer=polly -polly-prevect-width=8 -S -dce < %s | FileCheck %s
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;
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; void foo(long n, float A[restrict][n], float B[restrict][n],
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; float C[restrict][n], float D[restrict][n]) {
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; for (long i = 0; i < 8; i++)
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; for (long j = 0; j < 8; j++)
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; A[i][j] += B[i][0] + C[i][2 * j] + D[j][0];
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; }
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;
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; CHECK: shufflevector
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; CHECK: insertelement
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; CHECK: insertelement
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; CHECK: insertelement
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; CHECK: insertelement
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; CHECK: insertelement
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; CHECK: insertelement
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; CHECK: insertelement
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; CHECK: insertelement
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; CHECK: store <8 x float>
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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, float* noalias %A, float* noalias %B, float* noalias %C, float* noalias %D) {
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bb:
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br label %bb3
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bb3: ; preds = %bb25, %bb
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%i.0 = phi i64 [ 0, %bb ], [ %tmp26, %bb25 ]
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%exitcond2 = icmp ne i64 %i.0, 8
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br i1 %exitcond2, label %bb4, label %bb27
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bb4: ; preds = %bb3
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br label %bb5
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bb5: ; preds = %bb22, %bb4
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%j.0 = phi i64 [ 0, %bb4 ], [ %tmp23, %bb22 ]
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%exitcond = icmp ne i64 %j.0, 8
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br i1 %exitcond, label %bb6, label %bb24
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bb6: ; preds = %bb5
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%tmp = mul nsw i64 %i.0, %n
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%tmp7 = getelementptr inbounds float, float* %B, i64 %tmp
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%tmp8 = load float, float* %tmp7, align 4
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%tmp9 = shl nsw i64 %j.0, 1
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%tmp10 = mul nsw i64 %i.0, %n
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%.sum = add i64 %tmp10, %tmp9
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%tmp11 = getelementptr inbounds float, float* %C, i64 %.sum
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%tmp12 = load float, float* %tmp11, align 4
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%tmp13 = fadd float %tmp8, %tmp12
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%tmp14 = mul nsw i64 %j.0, %n
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%tmp15 = getelementptr inbounds float, float* %D, i64 %tmp14
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%tmp16 = load float, float* %tmp15, align 4
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%tmp17 = fadd float %tmp13, %tmp16
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%tmp18 = mul nsw i64 %i.0, %n
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%.sum1 = add i64 %tmp18, %j.0
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%tmp19 = getelementptr inbounds float, float* %A, i64 %.sum1
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%tmp20 = load float, float* %tmp19, align 4
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%tmp21 = fadd float %tmp20, %tmp17
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store float %tmp21, float* %tmp19, align 4
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br label %bb22
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bb22: ; preds = %bb6
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%tmp23 = add nsw i64 %j.0, 1
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br label %bb5
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bb24: ; preds = %bb5
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br label %bb25
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bb25: ; preds = %bb24
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%tmp26 = add nsw i64 %i.0, 1
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br label %bb3
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bb27: ; preds = %bb3
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ret void
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}
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