1 ; RUN: opt < %s -loop-reduce -S | FileCheck %s
3 ; LSR shouldn't consider %t8 to be an interesting user of %t6, and it
4 ; should be able to form pretty GEPs.
6 target datalayout = "e-p:64:64:64-p1:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
8 ; Copy of uglygep with a different address space
9 ; This tests expandAddToGEP uses the right smaller integer type for
10 ; another address space
11 define void @Z4() nounwind {
12 ; CHECK: define void @Z4
17 br i1 undef, label %bb10, label %bb2
20 %t = add i16 %t4, 1 ; <i16> [#uses=1]
23 bb3: ; preds = %bb2, %bb
24 %t4 = phi i16 [ %t, %bb2 ], [ 0, %bb ] ; <i16> [#uses=3]
28 ; CHECK-NEXT: %t7 = icmp eq i16 %t4, 0
29 ; Host %t2 computation outside the loop.
30 ; CHECK-NEXT: [[SCEVGEP:%[^ ]+]] = getelementptr i8, i8 addrspace(1)* undef, i16 %t4
31 ; CHECK-NEXT: br label %bb14
33 %t7 = icmp eq i16 %t4, 0 ; <i1> [#uses=1]
34 %t3 = add i16 %t4, 16 ; <i16> [#uses=1]
38 ; CHECK-NEXT: store i8 undef, i8 addrspace(1)* [[SCEVGEP]]
39 ; CHECK-NEXT: %t6 = load float addrspace(1)*, float addrspace(1)* addrspace(1)* undef
40 ; Fold %t3's add within the address.
41 ; CHECK-NEXT: [[SCEVGEP1:%[^ ]+]] = getelementptr float, float addrspace(1)* %t6, i16 4
42 ; CHECK-NEXT: [[SCEVGEP2:%[^ ]+]] = bitcast float addrspace(1)* [[SCEVGEP1]] to i8 addrspace(1)*
43 ; Use the induction variable (%t4) to access the right element
44 ; CHECK-NEXT: [[ADDRESS:%[^ ]+]] = getelementptr i8, i8 addrspace(1)* [[SCEVGEP2]], i16 %t4
45 ; CHECK-NEXT: store i8 undef, i8 addrspace(1)* [[ADDRESS]]
46 ; CHECK-NEXT: br label %bb14
47 bb14: ; preds = %bb14, %bb10
48 %t2 = getelementptr inbounds i8, i8 addrspace(1)* undef, i16 %t4 ; <i8*> [#uses=1]
49 store i8 undef, i8 addrspace(1)* %t2
50 %t6 = load float addrspace(1)*, float addrspace(1)* addrspace(1)* undef
51 %t8 = bitcast float addrspace(1)* %t6 to i8 addrspace(1)* ; <i8*> [#uses=1]
52 %t9 = getelementptr inbounds i8, i8 addrspace(1)* %t8, i16 %t3 ; <i8*> [#uses=1]
53 store i8 undef, i8 addrspace(1)* %t9