forked from OSchip/llvm-project
81 lines
3.1 KiB
LLVM
81 lines
3.1 KiB
LLVM
; RUN: opt %loadPolly -basicaa -polly-allow-differing-element-types -polly-scops -analyze < %s | FileCheck %s
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; RUN: opt %loadPolly -S -basicaa -polly-allow-differing-element-types -polly-codegen < %s | FileCheck --check-prefix=IR %s
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;
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; CHECK: Arrays {
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; CHECK-NEXT: i8 MemRef_A[*]; // Element size 1
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; CHECK-NEXT: i8 MemRef_B[*]; // Element size 1
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; CHECK-NEXT: }
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; CHECK: Statements {
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; CHECK-NEXT: Stmt_for_body3
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; CHECK-NEXT: Domain :=
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; CHECK-NEXT: { Stmt_for_body3[i0, i1] : 0 <= i0 <= 1023 and 0 <= i1 <= 1023 };
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; CHECK-NEXT: Schedule :=
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; CHECK-NEXT: { Stmt_for_body3[i0, i1] -> [i0, i1] };
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; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: { Stmt_for_body3[i0, i1] -> MemRef_A[o0] : -16 <= o0 <= 20 };
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; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
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; CHECK-NEXT: { Stmt_for_body3[i0, i1] -> MemRef_B[o0] : 64 <= o0 <= 100 };
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;
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; IR: polly.loop_preheader:
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; IR: %[[r1:[a-zA-Z0-9]*]] = getelementptr i32, i32* %A, i64 -4
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; IR: %[[r2:[a-zA-Z0-9]*]] = bitcast i32* %scevgep to i8*
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; IR: %[[r3:[a-zA-Z0-9]*]] = getelementptr i64, i64* %B, i64 8
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; IR: %[[r4:[a-zA-Z0-9]*]] = bitcast i64* %scevgep8 to i8*
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;
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; IR: polly.stmt.for.body3:
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; IR: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %[[r2]], i8* align 4 %[[r4]], i64 37, i1 false)
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;
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;
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; #include <string.h>
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;
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; void jd(int *restrict A, long *restrict B) {
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; for (int i = 0; i < 1024; i++)
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; for (int j = 0; j < 1024; j++)
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; memcpy(A - 4, B + 8, 37);
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; }
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;
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @jd(i32* noalias %A, i64* noalias %B) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc5, %entry
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%i.0 = phi i32 [ 0, %entry ], [ %inc6, %for.inc5 ]
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%exitcond1 = icmp ne i32 %i.0, 1024
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br i1 %exitcond1, label %for.body, label %for.end7
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for.body: ; preds = %for.cond
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br label %for.cond1
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for.cond1: ; preds = %for.inc, %for.body
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%j.0 = phi i32 [ 0, %for.body ], [ %inc, %for.inc ]
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%exitcond = icmp ne i32 %j.0, 1024
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br i1 %exitcond, label %for.body3, label %for.end
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for.body3: ; preds = %for.cond1
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%add.ptr = getelementptr inbounds i32, i32* %A, i64 -4
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%tmp = bitcast i32* %add.ptr to i8*
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%add.ptr4 = getelementptr inbounds i64, i64* %B, i64 8
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%tmp2 = bitcast i64* %add.ptr4 to i8*
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp, i8* %tmp2, i64 37, i32 4, i1 false)
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br label %for.inc
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for.inc: ; preds = %for.body3
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%inc = add nsw i32 %j.0, 1
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br label %for.cond1
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for.end: ; preds = %for.cond1
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br label %for.inc5
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for.inc5: ; preds = %for.end
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%inc6 = add nsw i32 %i.0, 1
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br label %for.cond
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for.end7: ; preds = %for.cond
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ret void
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}
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #1
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