; Check that this test makes INDVAR and related stuff dead, because P[indvar]
; gets reduced, making INDVAR dead.
-; RUN: llvm-as < %s | opt -loop-reduce | llvm-dis | not grep INDVAR
+; RUN: opt < %s -loop-reduce -S | not grep INDVAR
-declare bool %pred()
-declare int %getidx()
+target datalayout = "e-p:32:32:32-n32"
-void %test([10000 x int]* %P) {
- br label %Loop
-Loop:
- %INDVAR = phi int [0, %0], [%INDVAR2, %Loop]
- %idx = call int %getidx()
- %STRRED = getelementptr [10000 x int]* %P, int %INDVAR, int %idx
- store int 0, int* %STRRED
+declare i1 @pred()
+
+declare i32 @getidx()
- %INDVAR2 = add int %INDVAR, 1
- %cond = call bool %pred()
- br bool %cond, label %Loop, label %Out
-Out:
+define void @test([10000 x i32]* %P) {
+; <label>:0
+ br label %Loop
+Loop: ; preds = %Loop, %0
+ %INDVAR = phi i32 [ 0, %0 ], [ %INDVAR2, %Loop ] ; <i32> [#uses=2]
+ %idx = call i32 @getidx( ) ; <i32> [#uses=1]
+ %STRRED = getelementptr [10000 x i32], [10000 x i32]* %P, i32 %INDVAR, i32 %idx ; <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
}
+