1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
; RUN: opt %loadPolly \
; RUN: -polly-codegen -S < %s | FileCheck %s
; This test ensures that the expression N + 1 that is stored in the phi-node
; alloca, is directly computed and not incorrectly transfered through memory.
; CHECK: store i64 [[REG:%.*]], i64* %res.phiops
; CHECK: [[REG]] = add i64 %N, 1
define i64 @foo(float* %A, i64 %N) {
entry:
br label %next
next:
%cond = icmp eq i64 %N, 0
br i1 %cond, label %loop, label %merge
loop:
%indvar = phi i64 [0, %next], [%indvar.next, %loop]
%indvar.next = add i64 %indvar, 1
%sum = add i64 %N, 1
store float 4.0, float* %A
%cmp = icmp sle i64 %indvar.next, 100
br i1 %cmp, label %loop, label %merge
merge:
%res = phi i64 [%sum, %loop], [0, %next]
br label %exit
exit:
ret i64 %res
}
|
