forked from OSchip/llvm-project
22 lines
668 B
LLVM
22 lines
668 B
LLVM
; Check that the index of 'P[outer]' is pulled out of the loop.
|
|
; RUN: opt < %s -loop-reduce -S | \
|
|
; RUN: not grep {getelementptr.*%outer.*%INDVAR}
|
|
|
|
target datalayout = "e-p:32:32:32-n32"
|
|
declare i1 @pred()
|
|
|
|
define void @test([10000 x i32]* %P, i32 %outer) {
|
|
; <label>:0
|
|
br label %Loop
|
|
Loop: ; preds = %Loop, %0
|
|
%INDVAR = phi i32 [ 0, %0 ], [ %INDVAR2, %Loop ] ; <i32> [#uses=2]
|
|
%STRRED = getelementptr [10000 x i32]* %P, i32 %outer, i32 %INDVAR ; <i32*> [#uses=1]
|
|
store i32 0, i32* %STRRED
|
|
%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
|
|
}
|
|
|