forked from OSchip/llvm-project
60 lines
2.7 KiB
LLVM
60 lines
2.7 KiB
LLVM
; RUN: opt %loadPolly -polly-codegen -polly-codegen-generate-expressions=false \
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; RUN: -S < %s | FileCheck %s -check-prefix=SCEV
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; RUN: opt %loadPolly -polly-codegen -polly-codegen-generate-expressions=true \
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; RUN: -S < %s | FileCheck %s -check-prefix=ASTEXPR
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;
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; void foo(float A[]) {
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; for (long i = 0; i < 100; i++)
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; A[i % 4] += 10;
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; }
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; SCEV: polly.stmt.bb2: ; preds = %polly.loop_header
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; SCEV-NEXT: %0 = trunc i64 %polly.indvar to i2
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; SCEV-NEXT: %1 = zext i2 %0 to i64
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; SCEV-NEXT: %scevgep = getelementptr float, float* %A, i64 %1
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; SCEV-NEXT: %tmp4_p_scalar_ = load float, float* %scevgep, align 4, !alias.scope !0, !noalias !3
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; SCEV-NEXT: %p_tmp5 = fadd float %tmp4_p_scalar_, 1.000000e+01
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; SCEV-NEXT: store float %p_tmp5, float* %scevgep, align 4, !alias.scope !0, !noalias !3
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; SCEV-NEXT: %polly.indvar_next = add nsw i64 %polly.indvar, 1
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; SCEV-NEXT: %polly.loop_cond = icmp sle i64 %polly.indvar_next, 99
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; SCEV-NEXT: br i1 %polly.loop_cond, label %polly.loop_header, label %polly.loop_exit
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; ASTEXPR: polly.stmt.bb2: ; preds = %polly.loop_header
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; ASTEXPR-NEXT: %pexp.pdiv_r = urem i64 %polly.indvar, 4
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; ASTEXPR-NEXT: %polly.access.A = getelementptr float, float* %A, i64 %pexp.pdiv_r
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; ASTEXPR-NEXT: %tmp4_p_scalar_ = load float, float* %polly.access.A, align 4, !alias.scope !0, !noalias !3
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; ASTEXPR-NEXT: %p_tmp5 = fadd float %tmp4_p_scalar_, 1.000000e+01
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; ASTEXPR-NEXT: %pexp.pdiv_r1 = urem i64 %polly.indvar, 4
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; ASTEXPR-NEXT: %polly.access.A2 = getelementptr float, float* %A, i64 %pexp.pdiv_r1
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; ASTEXPR-NEXT: store float %p_tmp5, float* %polly.access.A2, align 4, !alias.scope !0, !noalias !3
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; ASTEXPR-NEXT: %polly.indvar_next = add nsw i64 %polly.indvar, 1
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; ASTEXPR-NEXT: %polly.loop_cond = icmp sle i64 %polly.indvar_next, 99
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; ASTEXPR-NEXT: br i1 %polly.loop_cond, label %polly.loop_header, label %polly.loop_exit
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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) {
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bb:
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br label %bb1
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bb1: ; preds = %bb6, %bb
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%i.0 = phi i64 [ 0, %bb ], [ %tmp7, %bb6 ]
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%exitcond = icmp ne i64 %i.0, 100
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br i1 %exitcond, label %bb2, label %bb8
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bb2: ; preds = %bb1
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%tmp = srem i64 %i.0, 4
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%tmp3 = getelementptr inbounds float, float* %A, i64 %tmp
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%tmp4 = load float, float* %tmp3, align 4
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%tmp5 = fadd float %tmp4, 1.000000e+01
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store float %tmp5, float* %tmp3, align 4
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br label %bb6
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bb6: ; preds = %bb2
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%tmp7 = add nuw nsw i64 %i.0, 1
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br label %bb1
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bb8: ; preds = %bb1
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ret void
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}
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