1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
; RUN: opt < %s -loop-reduce -S | FileCheck %s
; LSR shouldn't consider %t8 to be an interesting user of %t6, and it
; should be able to form pretty GEPs.
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"
; Copy of uglygep with a different address space
; This tests expandAddToGEP uses the right smaller integer type for
; another address space
define void @Z4() nounwind {
; CHECK: define void @Z4
bb:
br label %bb3
bb1: ; preds = %bb3
br i1 undef, label %bb10, label %bb2
bb2: ; preds = %bb1
%t = add i16 %t4, 1 ; <i16> [#uses=1]
br label %bb3
bb3: ; preds = %bb2, %bb
%t4 = phi i16 [ %t, %bb2 ], [ 0, %bb ] ; <i16> [#uses=3]
br label %bb1
; CHECK: bb10:
; CHECK-NEXT: %t7 = icmp eq i16 %t4, 0
; Host %t2 computation outside the loop.
; CHECK-NEXT: [[SCEVGEP:%[^ ]+]] = getelementptr i8 addrspace(1)* undef, i16 %t4
; CHECK-NEXT: br label %bb14
bb10: ; preds = %bb9
%t7 = icmp eq i16 %t4, 0 ; <i1> [#uses=1]
%t3 = add i16 %t4, 16 ; <i16> [#uses=1]
br label %bb14
; CHECK: bb14:
; CHECK-NEXT: store i8 undef, i8 addrspace(1)* [[SCEVGEP]]
; CHECK-NEXT: %t6 = load float addrspace(1)* addrspace(1)* undef
; Fold %t3's add within the address.
; CHECK-NEXT: [[SCEVGEP1:%[^ ]+]] = getelementptr float addrspace(1)* %t6, i16 4
; CHECK-NEXT: [[SCEVGEP2:%[^ ]+]] = bitcast float addrspace(1)* [[SCEVGEP1]] to i8 addrspace(1)*
; Use the induction variable (%t4) to access the right element
; CHECK-NEXT: [[ADDRESS:%[^ ]+]] = getelementptr i8 addrspace(1)* [[SCEVGEP2]], i16 %t4
; CHECK-NEXT: store i8 undef, i8 addrspace(1)* [[ADDRESS]]
; CHECK-NEXT: br label %bb14
bb14: ; preds = %bb14, %bb10
%t2 = getelementptr inbounds i8 addrspace(1)* undef, i16 %t4 ; <i8*> [#uses=1]
store i8 undef, i8 addrspace(1)* %t2
%t6 = load float addrspace(1)* addrspace(1)* undef
%t8 = bitcast float addrspace(1)* %t6 to i8 addrspace(1)* ; <i8*> [#uses=1]
%t9 = getelementptr inbounds i8 addrspace(1)* %t8, i16 %t3 ; <i8*> [#uses=1]
store i8 undef, i8 addrspace(1)* %t9
br label %bb14
}
|
