blob: 13121bd9614bb53bb85f8ede66b16a7b268f0cb6 [file] [log] [blame]
; RUN: opt -S -indvars %s | FileCheck %s
; 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
; CHECK: Loop:
; CHECK-NEXT: Canonical
%NonIndvar = phi i32 [ 200, %0 ], [ %NonIndvarNext, %Loop ] ; <i32> [#uses=1]
%Canonical = phi i32 [ 0, %0 ], [ %CanonicalNext, %Loop ] ; <i32> [#uses=2]
store i32 %Canonical, i32* null
%NonIndvarNext = sdiv i32 %NonIndvar, 2 ; <i32> [#uses=1]
%CanonicalNext = add i32 %Canonical, 1 ; <i32> [#uses=1]
br label %Loop
}