blob: 53a6ffbf9823d2f516a265df7f32974db5ee0213 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
|
; The loop canonicalization pass should guarantee that there is one backedge
; for all loops. This allows the -indvars pass to recognize the %IV
; induction variable in this testcase.
; RUN: llvm-upgrade < %s | llvm-as | opt -indvars | llvm-dis | grep indvar
int %test(bool %C) {
br label %Loop
Loop:
%IV = phi uint [1, %0], [%IV2, %BE1], [%IV2, %BE2]
%IV2 = add uint %IV, 2
br bool %C, label %BE1, label %BE2
BE1:
br label %Loop
BE2:
br label %Loop
}
|