derek.holloway
7502bf64a4
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78 lines
3.3 KiB
LLVM
78 lines
3.3 KiB
LLVM
; RUN: opt %loadNPMPolly '-passes=polly-custom<mse>' -polly-print-mse -disable-output < %s | FileCheck %s
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; RUN: opt %loadNPMPolly '-passes=polly-custom<mse>' -polly-print-mse -pass-remarks-analysis=polly-mse -disable-output < %s 2>&1 | FileCheck %s --check-prefix=MSE
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;
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; Verify that the accesses are correctly expanded for MemoryKind::PHI
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; tmp_04 is not expanded because it need copy-in.
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;
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; Original source code :
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;
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; #define Ni 10000
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; #define Nj 10000
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;
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; void mse(double A[Ni], double B[Nj]) {
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; int i,j;
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; double tmp = 6;
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; for (i = 0; i < Ni; i++) {
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; for (int j = 0; j<Nj; j++) {
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; tmp = tmp + 2;
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; }
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; B[i] = tmp;
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; }
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;
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; Check that the pass detects that tmp_04 reads from original value.
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;
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; MSE: MemRef_tmp_04__phi read from its original value.
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;
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; Check that the SAI are created except the expanded SAI of tmp_04.
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;
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; CHECK-NOT: double MemRef_tmp_04__phi_Stmt_for_body_expanded[10000]; // Element size 8
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; CHECK: double MemRef_tmp_11__phi_Stmt_for_inc_expanded[10000][10000]; // Element size
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; CHECK: double MemRef_add_lcssa__phi_Stmt_for_end_expanded[10000]; // Element size 8
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; CHECK: double MemRef_B_Stmt_for_end_expanded[10000]; // Element size 8
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;
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; Check that the memory accesses are modified except those related to tmp_04.
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;
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; CHECK-NOT: new: { Stmt_for_body[i0] -> MemRef_tmp_04__phi_Stmt_for_body_expanded[i0] };
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; CHECK: new: { Stmt_for_body[i0] -> MemRef_tmp_11__phi_Stmt_for_inc_expanded[i0, 0] };
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; CHECK: new: { Stmt_for_inc[i0, i1] -> MemRef_tmp_11__phi_Stmt_for_inc_expanded[i0, 1 + i1] : i1 <= 9998 };
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; CHECK: new: { Stmt_for_inc[i0, i1] -> MemRef_tmp_11__phi_Stmt_for_inc_expanded[i0, i1] };
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; CHECK: new: { Stmt_for_inc[i0, 9999] -> MemRef_add_lcssa__phi_Stmt_for_end_expanded[i0] };
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; CHECK-NOT: new: { Stmt_for_end[i0] -> MemRef_tmp_04__phi_Stmt_for_body_expanded[1 + i0] : i0 <= 9998 };
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; CHECK: new: { Stmt_for_end[i0] -> MemRef_add_lcssa__phi_Stmt_for_end_expanded[i0] };
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; CHECK: new: { Stmt_for_end[i0] -> MemRef_B_Stmt_for_end_expanded[i0] };
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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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target triple = "x86_64-unknown-linux-gnu"
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define void @tmp(ptr %A, ptr %B) {
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entry:
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br label %entry.split
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entry.split: ; preds = %entry
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br label %for.body
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for.body: ; preds = %entry.split, %for.end
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%indvars.iv = phi i64 [ 0, %entry.split ], [ %indvars.iv.next, %for.end ]
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%tmp.04 = phi double [ 6.000000e+00, %entry.split ], [ %add.lcssa, %for.end ]
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br label %for.inc
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for.inc: ; preds = %for.body, %for.inc
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%j1.02 = phi i32 [ 0, %for.body ], [ %inc, %for.inc ]
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%tmp.11 = phi double [ %tmp.04, %for.body ], [ %add, %for.inc ]
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%add = fadd double %tmp.11, 2.000000e+00
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%inc = add nuw nsw i32 %j1.02, 1
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%exitcond = icmp ne i32 %inc, 10000
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br i1 %exitcond, label %for.inc, label %for.end
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for.end: ; preds = %for.inc
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%add.lcssa = phi double [ %add, %for.inc ]
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%arrayidx = getelementptr inbounds double, ptr %B, i64 %indvars.iv
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store double %add.lcssa, ptr %arrayidx, align 8
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond5 = icmp ne i64 %indvars.iv.next, 10000
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br i1 %exitcond5, label %for.body, label %for.end7
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for.end7: ; preds = %for.end
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ret void
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}
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