xref: /llvm-project-15.0.7/polly/test/CodeGen/multidim_2d_parametric_array_static_loop_bounds.ll (revision 782c0dd1)

; RUN: opt %loadPolly -polly-codegen -S < %s | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"

; Derived from the following code:
;
; void foo(long n, long m, double A[n][m]) {
;   for (long i = 0; i < 100; i++)
;     for (long j = 0; j < 150; j++)
;       A[i][j] = 1.0;
; }
;
; CHECK: entry:
; CHECK: polly.split_new_and_old:
; CHECK: %0 = icmp sge i64 %m, 150
; CHECK: %polly.rtc.result = and i1 %0, true
; CHECK: br i1 %polly.rtc.result, label %polly.start, label %for.i

define void @foo(i64 %n, i64 %m, double* %A) {
entry:
  br label %for.i

for.i:
  %i = phi i64 [ 0, %entry ], [ %i.inc, %for.i.inc ]
  %tmp = mul nsw i64 %i, %m
  br label %for.j

for.j:
  %j = phi i64 [ 0, %for.i ], [ %j.inc, %for.j ]
  %vlaarrayidx.sum = add i64 %j, %tmp
  %arrayidx = getelementptr inbounds double, 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, 150
  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, 100
  br i1 %i.exitcond, label %end, label %for.i

end:
  ret void
}