forked from OSchip/llvm-project
95 lines
3.4 KiB
LLVM
95 lines
3.4 KiB
LLVM
; RUN: opt %loadPolly -basicaa -polly-scops -analyze < %s | FileCheck %s
|
|
;
|
|
; void foo(float A[restrict][20], float B[restrict][20], long n, long m,
|
|
; long p) {
|
|
; for (long i = 0; i < n; i++)
|
|
; for (long j = 0; j < m; j++)
|
|
; A[i][j] = i + j;
|
|
; for (long i = 0; i < m; i++)
|
|
; for (long j = 0; j < p; j++)
|
|
; B[i][j] = i + j;
|
|
; }
|
|
|
|
; This code is within bounds either if m and p are smaller than the array sizes,
|
|
; but also if only p is smaller than the size of the second B dimension and n
|
|
; is such that the first loop is never executed and consequently A is never
|
|
; accessed. In this case the value of m does not matter.
|
|
|
|
; CHECK: Assumed Context:
|
|
; CHECK-NEXT: [n, m, p] -> { : (n >= 1 and m <= 20 and p <= 20) or (n <= 0 and p <= 20) }
|
|
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
define void @foo([20 x float]* noalias %A, [20 x float]* noalias %B, i64 %n, i64 %m, i64 %p) {
|
|
entry:
|
|
br label %for.cond
|
|
|
|
for.cond: ; preds = %for.inc5, %entry
|
|
%i.0 = phi i64 [ 0, %entry ], [ %inc6, %for.inc5 ]
|
|
%cmp = icmp slt i64 %i.0, %n
|
|
br i1 %cmp, label %for.body, label %for.end7
|
|
|
|
for.body: ; preds = %for.cond
|
|
br label %for.cond1
|
|
|
|
for.cond1: ; preds = %for.inc, %for.body
|
|
%j.0 = phi i64 [ 0, %for.body ], [ %inc, %for.inc ]
|
|
%cmp2 = icmp slt i64 %j.0, %m
|
|
br i1 %cmp2, label %for.body3, label %for.end
|
|
|
|
for.body3: ; preds = %for.cond1
|
|
%add = add nsw i64 %i.0, %j.0
|
|
%conv = sitofp i64 %add to float
|
|
%arrayidx4 = getelementptr inbounds [20 x float]* %A, i64 %i.0, i64 %j.0
|
|
store float %conv, float* %arrayidx4, align 4
|
|
br label %for.inc
|
|
|
|
for.inc: ; preds = %for.body3
|
|
%inc = add nsw i64 %j.0, 1
|
|
br label %for.cond1
|
|
|
|
for.end: ; preds = %for.cond1
|
|
br label %for.inc5
|
|
|
|
for.inc5: ; preds = %for.end
|
|
%inc6 = add nsw i64 %i.0, 1
|
|
br label %for.cond
|
|
|
|
for.end7: ; preds = %for.cond
|
|
br label %for.cond9
|
|
|
|
for.cond9: ; preds = %for.inc25, %for.end7
|
|
%i8.0 = phi i64 [ 0, %for.end7 ], [ %inc26, %for.inc25 ]
|
|
%cmp10 = icmp slt i64 %i8.0, %m
|
|
br i1 %cmp10, label %for.body12, label %for.end27
|
|
|
|
for.body12: ; preds = %for.cond9
|
|
br label %for.cond14
|
|
|
|
for.cond14: ; preds = %for.inc22, %for.body12
|
|
%j13.0 = phi i64 [ 0, %for.body12 ], [ %inc23, %for.inc22 ]
|
|
%cmp15 = icmp slt i64 %j13.0, %p
|
|
br i1 %cmp15, label %for.body17, label %for.end24
|
|
|
|
for.body17: ; preds = %for.cond14
|
|
%add18 = add nsw i64 %i8.0, %j13.0
|
|
%conv19 = sitofp i64 %add18 to float
|
|
%arrayidx21 = getelementptr inbounds [20 x float]* %B, i64 %i8.0, i64 %j13.0
|
|
store float %conv19, float* %arrayidx21, align 4
|
|
br label %for.inc22
|
|
|
|
for.inc22: ; preds = %for.body17
|
|
%inc23 = add nsw i64 %j13.0, 1
|
|
br label %for.cond14
|
|
|
|
for.end24: ; preds = %for.cond14
|
|
br label %for.inc25
|
|
|
|
for.inc25: ; preds = %for.end24
|
|
%inc26 = add nsw i64 %i8.0, 1
|
|
br label %for.cond9
|
|
|
|
for.end27: ; preds = %for.cond9
|
|
ret void
|
|
}
|