forked from OSchip/llvm-project
54 lines
1.2 KiB
LLVM
54 lines
1.2 KiB
LLVM
|
; RUN: opt %loadPolly -polly-allow-nonaffine -polly-dce -polly-ast -analyze < %s | FileCheck %s
|
||
|
|
;
|
||
|
|
; void f(int *A) {
|
||
|
|
; for (int i = 0; i < 1024; i++)
|
||
|
|
; S1: A[i % 2] = i;
|
||
|
|
; for (int i = 0; i < 1024; i++)
|
||
|
|
; S2: A[i2] = i;
|
||
|
|
; }
|
||
|
|
|
||
|
|
; CHECK-NOT: Stmt_S1
|
||
|
|
|
||
|
|
; CHECK: for (int c1 = 0; c1 <= 1023; c1 += 1)
|
||
|
|
; CHECK: Stmt_S2(c1);
|
||
|
|
|
||
|
|
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
|
||
|
|
|
||
|
|
define void @f(i32* %A) {
|
||
|
|
entry:
|
||
|
|
br label %for.cond
|
||
|
|
|
||
|
|
for.cond:
|
||
|
|
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
|
||
|
|
%exitcond = icmp ne i32 %i.0, 1024
|
||
|
|
br i1 %exitcond, label %S1, label %for.cond.2
|
||
|
|
|
||
|
|
S1:
|
||
|
|
%rem = srem i32 %i.0, 2
|
||
|
|
%arrayidx = getelementptr inbounds i32* %A, i32 %rem
|
||
|
|
store i32 %i.0, i32* %arrayidx, align 4
|
||
|
|
br label %for.inc
|
||
|
|
|
||
|
|
for.inc:
|
||
|
|
%inc = add nsw i32 %i.0, 1
|
||
|
|
br label %for.cond
|
||
|
|
|
||
|
|
for.cond.2:
|
||
|
|
%i.2 = phi i32 [ 0, %for.cond ], [ %inc.2, %for.inc.2 ]
|
||
|
|
%exitcond.2 = icmp ne i32 %i.2, 1024
|
||
|
|
br i1 %exitcond.2, label %S2, label %for.end
|
||
|
|
|
||
|
|
S2:
|
||
|
|
%arrayidx.2 = getelementptr inbounds i32* %A, i32 %i.2
|
||
|
|
store i32 %i.2, i32* %arrayidx.2, align 4
|
||
|
|
br label %for.inc.2
|
||
|
|
|
||
|
|
for.inc.2:
|
||
|
|
%inc.2 = add nsw i32 %i.2, 1
|
||
|
|
br label %for.cond.2
|
||
|
|
|
||
|
|
for.end:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|