mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-28 04:33:05 +00:00
46 lines
1.2 KiB
LLVM
46 lines
1.2 KiB
LLVM
|
; RUN: opt < %s -analyze -delinearize | FileCheck %s
|
||
|
|
|
||
|
|
; Derived from the following code:
|
||
|
|
;
|
||
|
|
; void foo(long n, long m, long b, double A[n][m]) {
|
||
|
|
; for (long i = 0; i < n; i++)
|
||
|
|
; for (long j = 0; j < m; j++)
|
||
|
|
; A[2i+b][2j] = 1.0;
|
||
|
|
; }
|
||
|
|
|
||
|
|
; AddRec: {{((%m * %b * sizeof(double)) + %A),+,(2 * %m * sizeof(double))}<%for.i>,+,(2 * sizeof(double))}<%for.j>
|
||
|
|
; CHECK: Base offset: %A
|
||
|
|
; CHECK: ArrayDecl[UnknownSize][%m] with elements of sizeof(double) bytes.
|
||
|
|
; CHECK: ArrayRef[{%b,+,2}<%for.i>][{0,+,2}<%for.j>]
|
||
|
|
|
||
|
|
|
||
|
|
define void @foo(i64 %n, i64 %m, i64 %b, double* %A) {
|
||
|
|
entry:
|
||
|
|
br label %for.i
|
||
|
|
|
||
|
|
for.i:
|
||
|
|
%i = phi i64 [ 0, %entry ], [ %i.inc, %for.i.inc ]
|
||
|
|
%outerdim = mul nsw i64 %i, 2
|
||
|
|
%outerdim2 = add nsw i64 %outerdim, %b
|
||
|
|
%tmp = mul nsw i64 %outerdim2, %m
|
||
|
|
br label %for.j
|
||
|
|
|
||
|
|
for.j:
|
||
|
|
%j = phi i64 [ 0, %for.i ], [ %j.inc, %for.j ]
|
||
|
|
%prodj = mul i64 %j, 2
|
||
|
|
%vlaarrayidx.sum = add i64 %prodj, %tmp
|
||
|
|
%arrayidx = getelementptr inbounds double* %A, i64 %vlaarrayidx.sum
|
||
|
|
store double 1.0, double* %arrayidx
|
||
|
|
%j.inc = add nsw i64 %j, 1
|
||
|
|
%j.exitcond = icmp eq i64 %j.inc, %m
|
||
|
|
br i1 %j.exitcond, label %for.i.inc, label %for.j
|
||
|
|
|
||
|
|
for.i.inc:
|
||
|
|
%i.inc = add nsw i64 %i, 1
|
||
|
|
%i.exitcond = icmp eq i64 %i.inc, %n
|
||
|
|
br i1 %i.exitcond, label %end, label %for.i
|
||
|
|
|
||
|
|
end:
|
||
|
|
ret void
|
||
|
|
}
|