xref: /aosp_15_r20/external/llvm/test/CodeGen/PowerPC/unaligned.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -mattr=-vsx | FileCheck %s
2*9880d681SAndroid Build Coastguard Workertarget datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f128:64:128-n32"
3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -mattr=+vsx | FileCheck -check-prefix=CHECK-VSX %s
4*9880d681SAndroid Build Coastguard Workertarget datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f128:64:128-n32"
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdefine void @foo1(i16* %p, i16* %r) nounwind {
7*9880d681SAndroid Build Coastguard Workerentry:
8*9880d681SAndroid Build Coastguard Worker  %v = load i16, i16* %p, align 1
9*9880d681SAndroid Build Coastguard Worker  store i16 %v, i16* %r, align 1
10*9880d681SAndroid Build Coastguard Worker  ret void
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Worker; CHECK: @foo1
13*9880d681SAndroid Build Coastguard Worker; CHECK: lhz
14*9880d681SAndroid Build Coastguard Worker; CHECK: sth
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: @foo1
17*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: lhz
18*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: sth
19*9880d681SAndroid Build Coastguard Worker}
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Workerdefine void @foo2(i32* %p, i32* %r) nounwind {
22*9880d681SAndroid Build Coastguard Workerentry:
23*9880d681SAndroid Build Coastguard Worker  %v = load i32, i32* %p, align 1
24*9880d681SAndroid Build Coastguard Worker  store i32 %v, i32* %r, align 1
25*9880d681SAndroid Build Coastguard Worker  ret void
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Worker; CHECK: @foo2
28*9880d681SAndroid Build Coastguard Worker; CHECK: lwz
29*9880d681SAndroid Build Coastguard Worker; CHECK: stw
30*9880d681SAndroid Build Coastguard Worker
31*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: @foo2
32*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: lwz
33*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: stw
34*9880d681SAndroid Build Coastguard Worker}
35*9880d681SAndroid Build Coastguard Worker
36*9880d681SAndroid Build Coastguard Workerdefine void @foo3(i64* %p, i64* %r) nounwind {
37*9880d681SAndroid Build Coastguard Workerentry:
38*9880d681SAndroid Build Coastguard Worker  %v = load i64, i64* %p, align 1
39*9880d681SAndroid Build Coastguard Worker  store i64 %v, i64* %r, align 1
40*9880d681SAndroid Build Coastguard Worker  ret void
41*9880d681SAndroid Build Coastguard Worker
42*9880d681SAndroid Build Coastguard Worker; CHECK: @foo3
43*9880d681SAndroid Build Coastguard Worker; CHECK: ld
44*9880d681SAndroid Build Coastguard Worker; CHECK: std
45*9880d681SAndroid Build Coastguard Worker
46*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: @foo3
47*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: ld
48*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: std
49*9880d681SAndroid Build Coastguard Worker}
50*9880d681SAndroid Build Coastguard Worker
51*9880d681SAndroid Build Coastguard Workerdefine void @foo4(float* %p, float* %r) nounwind {
52*9880d681SAndroid Build Coastguard Workerentry:
53*9880d681SAndroid Build Coastguard Worker  %v = load float, float* %p, align 1
54*9880d681SAndroid Build Coastguard Worker  store float %v, float* %r, align 1
55*9880d681SAndroid Build Coastguard Worker  ret void
56*9880d681SAndroid Build Coastguard Worker
57*9880d681SAndroid Build Coastguard Worker; CHECK: @foo4
58*9880d681SAndroid Build Coastguard Worker; CHECK: lfs
59*9880d681SAndroid Build Coastguard Worker; CHECK: stfs
60*9880d681SAndroid Build Coastguard Worker
61*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: @foo4
62*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: lfs
63*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: stfs
64*9880d681SAndroid Build Coastguard Worker}
65*9880d681SAndroid Build Coastguard Worker
66*9880d681SAndroid Build Coastguard Workerdefine void @foo5(double* %p, double* %r) nounwind {
67*9880d681SAndroid Build Coastguard Workerentry:
68*9880d681SAndroid Build Coastguard Worker  %v = load double, double* %p, align 1
69*9880d681SAndroid Build Coastguard Worker  store double %v, double* %r, align 1
70*9880d681SAndroid Build Coastguard Worker  ret void
71*9880d681SAndroid Build Coastguard Worker
72*9880d681SAndroid Build Coastguard Worker; CHECK: @foo5
73*9880d681SAndroid Build Coastguard Worker; CHECK: lfd
74*9880d681SAndroid Build Coastguard Worker; CHECK: stfd
75*9880d681SAndroid Build Coastguard Worker
76*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: @foo5
77*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: lxsdx
78*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: stxsdx
79*9880d681SAndroid Build Coastguard Worker}
80*9880d681SAndroid Build Coastguard Worker
81*9880d681SAndroid Build Coastguard Workerdefine void @foo6(<4 x float>* %p, <4 x float>* %r) nounwind {
82*9880d681SAndroid Build Coastguard Workerentry:
83*9880d681SAndroid Build Coastguard Worker  %v = load <4 x float>, <4 x float>* %p, align 1
84*9880d681SAndroid Build Coastguard Worker  store <4 x float> %v, <4 x float>* %r, align 1
85*9880d681SAndroid Build Coastguard Worker  ret void
86*9880d681SAndroid Build Coastguard Worker
87*9880d681SAndroid Build Coastguard Worker; These loads and stores are legalized into aligned loads and stores
88*9880d681SAndroid Build Coastguard Worker; using aligned stack slots.
89*9880d681SAndroid Build Coastguard Worker; CHECK: @foo6
90*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: ld
91*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: ld
92*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: stdx
93*9880d681SAndroid Build Coastguard Worker; CHECK: stdx
94*9880d681SAndroid Build Coastguard Worker
95*9880d681SAndroid Build Coastguard Worker; For VSX on P7, unaligned loads and stores are preferable to aligned
96*9880d681SAndroid Build Coastguard Worker; stack slots, but lvsl/vperm is better still.  (On P8 lxvw4x is preferable.)
97*9880d681SAndroid Build Coastguard Worker; Using unaligned stxvw4x is preferable on both machines.
98*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: @foo6
99*9880d681SAndroid Build Coastguard Worker; CHECK-VSX-DAG: lvsl
100*9880d681SAndroid Build Coastguard Worker; CHECK-VSX-DAG: lvx
101*9880d681SAndroid Build Coastguard Worker; CHECK-VSX-DAG: lvx
102*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: vperm
103*9880d681SAndroid Build Coastguard Worker; CHECK-VSX: stxvw4x
104*9880d681SAndroid Build Coastguard Worker}
105*9880d681SAndroid Build Coastguard Worker
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