blob: bb395324d4e4bff376c2857391a16da29baa8663 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
; Check that this test makes INDVAR and related stuff dead.
; RUN: opt < %s -loop-reduce -S | not grep INDVAR
declare i1 @pred()
define void @test(i32* %P) {
; <label>:0
br label %Loop
Loop: ; preds = %Loop, %0
%i = phi i32 [ 0, %0 ], [ %i.next, %Loop ]
%INDVAR = phi i32 [ 0, %0 ], [ %INDVAR2, %Loop ] ; <i32> [#uses=2]
%STRRED = getelementptr i32* %P, i32 %INDVAR ; <i32*> [#uses=1]
store i32 0, i32* %STRRED
%INDVAR2 = add i32 %INDVAR, 1 ; <i32> [#uses=1]
%i.next = add i32 %i, 1
%cond = call i1 @pred( ) ; <i1> [#uses=1]
br i1 %cond, label %Loop, label %Out
Out: ; preds = %Loop
ret void
}
|
