llvm/test/Transforms/IndVarSimplify/2003-09-23-NotAtTop.ll
Daniel Dunbar 31ab6e3364 Eliminate uses of %prcontext.
- I'd appreciate it if someone else eyeballs my changes to make sure I captured
   the intent of the test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81083 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-05 11:35:16 +00:00

21 lines
689 B
LLVM

; 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
}