only-part-of-array-modified.ll
1.36 KB
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; RUN: opt %loadPolly -polly-codegen-ppcg -polly-acc-dump-code \
; RUN: -disable-output < %s | \
; RUN: FileCheck -check-prefix=CODE %s
;
; REQUIRES: pollyacc
;
; void foo(float A[], float B[]) {
; for (long i = 0; i < 1024; i++)
; A[2 * i] = B[i];
; }
; CODE: cudaCheckReturn(cudaMemcpy(dev_MemRef_B, MemRef_B, (1024) * sizeof(i32), cudaMemcpyHostToDevice));
; CODE-NEXT: cudaCheckReturn(cudaMemcpy(dev_MemRef_A, MemRef_A, (2047) * sizeof(i32), cudaMemcpyHostToDevice));
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @foo(float* %A, float* %B) {
bb:
br label %bb1
bb1: ; preds = %bb8, %bb
%i.0 = phi i64 [ 0, %bb ], [ %tmp9, %bb8 ]
%exitcond = icmp ne i64 %i.0, 1024
br i1 %exitcond, label %bb2, label %bb10
bb2: ; preds = %bb1
%tmp = getelementptr inbounds float, float* %B, i64 %i.0
%tmp3 = bitcast float* %tmp to i32*
%tmp4 = load i32, i32* %tmp3, align 4
%tmp5 = shl nsw i64 %i.0, 1
%tmp6 = getelementptr inbounds float, float* %A, i64 %tmp5
%tmp7 = bitcast float* %tmp6 to i32*
store i32 %tmp4, i32* %tmp7, align 4
br label %bb8
bb8: ; preds = %bb2
%tmp9 = add nuw nsw i64 %i.0, 1
br label %bb1
bb10: ; preds = %bb1
ret void
}