blob: da22cf2e516419219fde54a43cbbd1eb28d26f5d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
|
; RUN: llvm-as < %s | opt -indvars | llvm-dis | %prcontext Loop: 1 | grep %indvar
; The indvar simplification code should ensure that the first PHI in the block
; is the canonical one!
define i32 @test() {
; <label>:0
br label %Loop
Loop: ; preds = %Loop, %0
%NonIndvar = phi i32 [ 200, %0 ], [ %NonIndvarNext, %Loop ] ; <i32> [#uses=1]
%Canonical = phi i32 [ 0, %0 ], [ %CanonicalNext, %Loop ] ; <i32> [#uses=1]
%NonIndvarNext = sdiv i32 %NonIndvar, 2 ; <i32> [#uses=1]
%CanonicalNext = add i32 %Canonical, 1 ; <i32> [#uses=1]
br label %Loop
}
|