forked from OSchip/llvm-project
69 lines
2.4 KiB
LLVM
69 lines
2.4 KiB
LLVM
; RUN: opt %loadPolly -S \
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; RUN: -polly-analyze-read-only-scalars=false -polly-codegen < %s | FileCheck %s
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; RUN: opt %loadPolly -S \
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; RUN: -polly-analyze-read-only-scalars=true -polly-codegen < %s | FileCheck %s
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;
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; float f(float *A, int N) {
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; float tmp = 0;
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; for (int i = 0; i < N; i++)
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; tmp += A[i];
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; return tmp;
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; }
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; CHECK-LABEL: polly.merge_new_and_old:
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; CHECK-NEXT: %tmp.0.merge = phi float [ %tmp.0.final_reload, %polly.exiting ], [ %tmp.0, %bb8 ]
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; CHECK-NEXT: br label %exit
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; CHECK-LABEL: polly.start:
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; CHECK-NEXT: store float 0.000000e+00, float* %tmp.0.phiops
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; CHECK-NEXT: sext
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; CHECK-LABEL: polly.exiting:
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; CHECK-NEXT: %tmp.0.final_reload = load float, float* %tmp.0.s2a
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; CHECK-NEXT: br label %polly.merge_new_and_old
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; CHECK-LABEL: polly.stmt.bb1{{[0-9]*}}:
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; CHECK-NEXT: %tmp.0.phiops.reload[[R1:[0-9]*]] = load float, float* %tmp.0.phiops
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; CHECK-: store float %tmp.0.phiops.reload[[R1]], float* %tmp.0.s2a
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; CHECK-LABEL: polly.stmt.bb4:
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; CHECK: %tmp.0.s2a.reload[[R3:[0-9]*]] = load float, float* %tmp.0.s2a
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; CHECK: %tmp[[R5:[0-9]*]]_p_scalar_ = load float, float* %scevgep, align 4, !alias.scope !0, !noalias !2
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; CHECK: %p_tmp[[R4:[0-9]*]] = fadd float %tmp.0.s2a.reload[[R3]], %tmp[[R5]]_p_scalar_
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; CHECK: store float %p_tmp[[R4]], float* %tmp.0.phiops
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; CHECK-LABEL: polly.stmt.bb1{{[0-9]*}}:
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; CHECK-NEXT: %tmp.0.phiops.reload[[R2:[0-9]*]] = load float, float* %tmp.0.phiops
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; CHECK: store float %tmp.0.phiops.reload[[R2]], float* %tmp.0.s2a
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define float @f(float* %A, i32 %N) {
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bb:
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%tmp = sext i32 %N to i64
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br label %bb1
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bb1: ; preds = %bb4, %bb
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%indvars.iv = phi i64 [ %indvars.iv.next, %bb4 ], [ 0, %bb ]
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%tmp.0 = phi float [ 0.000000e+00, %bb ], [ %tmp7, %bb4 ]
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%tmp2 = icmp slt i64 %indvars.iv, %tmp
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br i1 %tmp2, label %bb3, label %bb8
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bb3: ; preds = %bb1
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br label %bb4
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bb4: ; preds = %bb3
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%tmp5 = getelementptr inbounds float, float* %A, i64 %indvars.iv
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%tmp6 = load float, float* %tmp5, align 4
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%tmp7 = fadd float %tmp.0, %tmp6
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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br label %bb1
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bb8: ; preds = %bb1
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br label %exit
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exit:
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ret float %tmp.0
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}
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