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; Check that this test makes INDVAR and related stuff dead.
; RUN: opt < %s -loop-reduce -S | FileCheck %s
; CHECK: phi
; CHECK: phi
; CHECK-NOT: phi
declare i1 @pred()
define void @test1({ i32, i32 }* %P) {
; <label>:0
br label %Loop
Loop: ; preds = %Loop, %0
%INDVAR = phi i32 [ 0, %0 ], [ %INDVAR2, %Loop ] ; <i32> [#uses=3]
%gep1 = getelementptr { i32, i32 }, { i32, i32 }* %P, i32 %INDVAR, i32 0 ; <i32*> [#uses=1]
store i32 0, i32* %gep1
%gep2 = getelementptr { i32, i32 }, { i32, i32 }* %P, i32 %INDVAR, i32 1 ; <i32*> [#uses=1]
store i32 0, i32* %gep2
%INDVAR2 = add i32 %INDVAR, 1 ; <i32> [#uses=1]
%cond = call i1 @pred( ) ; <i1> [#uses=1]
br i1 %cond, label %Loop, label %Out
Out: ; preds = %Loop
ret void
}
define void @test2([2 x i32]* %P) {
; <label>:0
br label %Loop
Loop: ; preds = %Loop, %0
%INDVAR = phi i32 [ 0, %0 ], [ %INDVAR2, %Loop ] ; <i32> [#uses=3]
%gep1 = getelementptr [2 x i32], [2 x i32]* %P, i32 %INDVAR, i64 0 ; <i32*> [#uses=1]
store i32 0, i32* %gep1
%gep2 = getelementptr [2 x i32], [2 x i32]* %P, i32 %INDVAR, i64 1 ; <i32*> [#uses=1]
store i32 0, i32* %gep2
%INDVAR2 = add i32 %INDVAR, 1 ; <i32> [#uses=1]
%cond = call i1 @pred( ) ; <i1> [#uses=1]
br i1 %cond, label %Loop, label %Out
Out: ; preds = %Loop
ret void
}
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