forked from OSchip/llvm-project
70 lines
2.4 KiB
LLVM
70 lines
2.4 KiB
LLVM
; RUN: opt %loadPolly -polly-allow-differing-element-types -polly-scops -analyze < %s | FileCheck %s
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; RUN: opt %loadPolly -S -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: }
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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] : 0 <= o0 <= 186 };
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;
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; IR: %[[r1:[a-zA-Z0-9]*]] = bitcast i32* %A to i8*
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;
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; IR: polly.stmt.for.body3:
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; IR: call void @llvm.memset.p0i8.i64(i8* %[[r1]], i8 36, i64 187, i32 4, i1 false)
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;
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; #include <string.h>
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;
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; void jd(int *A) {
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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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; memset(A, '$', 187);
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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) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc4, %entry
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%i.0 = phi i32 [ 0, %entry ], [ %inc5, %for.inc4 ]
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%exitcond1 = icmp ne i32 %i.0, 1024
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br i1 %exitcond1, label %for.body, label %for.end6
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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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%tmp = bitcast i32* %A to i8*
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call void @llvm.memset.p0i8.i64(i8* %tmp, i8 36, i64 187, 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.inc4
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for.inc4: ; preds = %for.end
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%inc5 = add nsw i32 %i.0, 1
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br label %for.cond
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for.end6: ; preds = %for.cond
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ret void
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}
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declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) #1
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