pr33323.ll
1.73 KB
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; RUN: opt %loadPolly -polly-import-jscop -polly-import-jscop-postfix=transformed -polly-simplify -analyze < %s | FileCheck %s
;
; llvm.org/PR33323
;
; Do not remove the pair (store double %add119, read %add119) as redundant
; because the are in the wrong order.
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define fastcc void @pr33323([1000 x double]* nocapture %data, [1000 x double]* nocapture %symmat) {
entry:
br label %for.body98
for.cond87.loopexit:
ret void
for.body98:
%indvars.iv13 = phi i64 [ 1, %entry ], [ %indvars.iv.next14, %for.end122 ]
br label %for.body105
for.body105:
%indvars.iv = phi i64 [ 0, %for.body98 ], [ %indvars.iv.next, %for.body105 ]
%arrayidx109 = getelementptr inbounds [1000 x double], [1000 x double]* %data, i64 %indvars.iv, i64 0
%add119 = fadd double undef, undef
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond = icmp eq i64 %indvars.iv.next, 1000
br i1 %exitcond, label %for.end122, label %for.body105
for.end122:
%arrayidx130 = getelementptr inbounds [1000 x double], [1000 x double]* %symmat, i64 %indvars.iv13, i64 0
store double %add119, double* %arrayidx130
%indvars.iv.next14 = add nuw nsw i64 %indvars.iv13, 1
%exitcond15 = icmp eq i64 %indvars.iv.next14, 1000
br i1 %exitcond15, label %for.cond87.loopexit, label %for.body98
}
; CHECK: Statistics {
; CHECK: Redundant writes removed: 1
; CHECK: Stmts removed: 1
; CHECK: }
; CHECK: After accesses {
; CHECK-NEXT: Stmt_for_body105
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_for_body105[i0, i1] -> MemRef_add119[] };
; CHECK-NEXT: new: { Stmt_for_body105[i0, i1] -> MemRef_symmat[1 + i0, 0] };
; CHECK-NEXT: }