-; RUN: llvm-as < %s | llc -march=x86 -enable-x86-lsr | grep 'A(' | wc -l | grep 1
+; RUN: llc < %s -march=x86 -relocation-model=static | \
+; RUN: grep {A+} | count 2
;
-; Make sure the common loop invariant _A(reg) is hoisted up to preheader.
+; Make sure the common loop invariant A is not hoisted up to preheader,
+; since it can be subsumed into the addressing mode in all uses.
-%A = internal global [16 x [16 x int]] zeroinitializer, align 32
+@A = internal global [16 x [16 x i32]] zeroinitializer, align 32 ; <[16 x [16 x i32]]*> [#uses=2]
-void %test(int %row, int %N) {
+define void @test(i32 %row, i32 %N.in) nounwind {
entry:
- %N = cast int %N to uint
- %tmp5 = setgt int %N, 0
- br bool %tmp5, label %cond_true, label %return
+ %N = bitcast i32 %N.in to i32 ; <i32> [#uses=1]
+ %tmp5 = icmp sgt i32 %N.in, 0 ; <i1> [#uses=1]
+ br i1 %tmp5, label %cond_true, label %return
-cond_true:
- %indvar = phi uint [ 0, %entry ], [ %indvar.next, %cond_true ]
- %i.0.0 = cast uint %indvar to int
- %tmp2 = add int %i.0.0, 1
- %tmp = getelementptr [16 x [16 x int]]* %A, int 0, int %row, int %tmp2
- store int 4, int* %tmp
- %tmp5 = add int %i.0.0, 2
- %tmp7 = getelementptr [16 x [16 x int]]* %A, int 0, int %row, int %tmp5
- store int 5, int* %tmp7
- %indvar.next = add uint %indvar, 1
- %exitcond = seteq uint %indvar.next, %N
- br bool %exitcond, label %return, label %cond_true
+cond_true: ; preds = %cond_true, %entry
+ %indvar = phi i32 [ 0, %entry ], [ %indvar.next, %cond_true ] ; <i32> [#uses=2]
+ %i.0.0 = bitcast i32 %indvar to i32 ; <i32> [#uses=2]
+ %tmp2 = add i32 %i.0.0, 1 ; <i32> [#uses=1]
+ %tmp = getelementptr [16 x [16 x i32]]* @A, i32 0, i32 %row, i32 %tmp2 ; <i32*> [#uses=1]
+ store i32 4, i32* %tmp
+ %tmp5.upgrd.1 = add i32 %i.0.0, 2 ; <i32> [#uses=1]
+ %tmp7 = getelementptr [16 x [16 x i32]]* @A, i32 0, i32 %row, i32 %tmp5.upgrd.1 ; <i32*> [#uses=1]
+ store i32 5, i32* %tmp7
+ %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2]
+ %exitcond = icmp eq i32 %indvar.next, %N ; <i1> [#uses=1]
+ br i1 %exitcond, label %return, label %cond_true
-return:
+return: ; preds = %cond_true, %entry
ret void
}