xref: /llvm-project/llvm/test/CodeGen/PowerPC/pcrel-byte-loads.ll (revision 5403c59c608c08c8ecd4303763f08eb046eb5e4d)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -O1 \
3; RUN:   -mcpu=pwr10 -ppc-asm-full-reg-names -ppc-vsr-nums-as-vr < %s | \
4; RUN:   FileCheck %s -check-prefixes=CHECK-LE
5; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -O1 \
6; RUN:   -mcpu=pwr10 -ppc-asm-full-reg-names -ppc-vsr-nums-as-vr < %s | \
7; RUN:   FileCheck %s -check-prefixes=CHECK-BE
8
9@GlobLd1 = dso_local local_unnamed_addr global [20 x i1] zeroinitializer, align 1
10@GlobSt1 = dso_local local_unnamed_addr global [20 x i1] zeroinitializer, align 1
11
12define i1 @i64_ExtLoad_i1() {
13; CHECK-LE-LABEL: i64_ExtLoad_i1:
14; CHECK-LE:       # %bb.0: # %entry
15; CHECK-LE-NEXT:    plbz r3, GlobLd1@PCREL(0), 1
16; CHECK-LE-NEXT:    blr
17;
18; CHECK-BE-LABEL: i64_ExtLoad_i1:
19; CHECK-BE:       # %bb.0: # %entry
20; CHECK-BE-NEXT:    addis r3, r2, GlobLd1@toc@ha
21; CHECK-BE-NEXT:    lbz r3, GlobLd1@toc@l(r3)
22; CHECK-BE-NEXT:    blr
23entry:
24  %0 = load i1, ptr @GlobLd1, align 1
25  ret i1 %0
26}
27
28define zeroext i1 @i64_ZextLoad_i1() {
29; CHECK-LE-LABEL: i64_ZextLoad_i1:
30; CHECK-LE:       # %bb.0: # %entry
31; CHECK-LE-NEXT:    plbz r3, GlobLd1@PCREL(0), 1
32; CHECK-LE-NEXT:    blr
33;
34; CHECK-BE-LABEL: i64_ZextLoad_i1:
35; CHECK-BE:       # %bb.0: # %entry
36; CHECK-BE-NEXT:    addis r3, r2, GlobLd1@toc@ha
37; CHECK-BE-NEXT:    lbz r3, GlobLd1@toc@l(r3)
38; CHECK-BE-NEXT:    blr
39entry:
40  %0 = load i1, ptr @GlobLd1, align 1
41  ret i1 %0
42}
43
44define void @i32_ZextLoad_i1() {
45; CHECK-LE-LABEL: i32_ZextLoad_i1:
46; CHECK-LE:       # %bb.0: # %entry
47; CHECK-LE-NEXT:    plbz r3, GlobLd1@PCREL(0), 1
48; CHECK-LE-NEXT:    clrldi r3, r3, 63
49; CHECK-LE-NEXT:    pstb r3, GlobSt1@PCREL(0), 1
50; CHECK-LE-NEXT:    blr
51;
52; CHECK-BE-LABEL: i32_ZextLoad_i1:
53; CHECK-BE:       # %bb.0: # %entry
54; CHECK-BE-NEXT:    addis r3, r2, GlobLd1@toc@ha
55; CHECK-BE-NEXT:    addis r4, r2, GlobSt1@toc@ha
56; CHECK-BE-NEXT:    lbz r3, GlobLd1@toc@l(r3)
57; CHECK-BE-NEXT:    clrldi r3, r3, 63
58; CHECK-BE-NEXT:    stb r3, GlobSt1@toc@l(r4)
59; CHECK-BE-NEXT:    blr
60entry:
61  %0 = load i1, ptr @GlobLd1, align 1
62  store i1 %0, ptr @GlobSt1, align 1
63  ret void
64}
65
66%1 = type { i64 }
67@Glob1 = external dso_local global %1, align 8
68@Glob2 = external dso_local unnamed_addr constant [11 x i8], align 1
69declare i32 @Decl(ptr, ptr) local_unnamed_addr #0
70
71define dso_local i1 @i32_ExtLoad_i1() local_unnamed_addr #0 {
72; CHECK-LE-LABEL: i32_ExtLoad_i1:
73; CHECK-LE:       # %bb.0: # %bb
74; CHECK-LE-NEXT:    mflr r0
75; CHECK-LE-NEXT:    std r0, 16(r1)
76; CHECK-LE-NEXT:    stdu r1, -32(r1)
77; CHECK-LE-NEXT:    .cfi_def_cfa_offset 32
78; CHECK-LE-NEXT:    .cfi_offset lr, 16
79; CHECK-LE-NEXT:    paddi r3, 0, Glob1@PCREL, 1
80; CHECK-LE-NEXT:    paddi r4, 0, Glob2@PCREL, 1
81; CHECK-LE-NEXT:    bl Decl@notoc
82; CHECK-LE-NEXT:    cmpwi cr1, r3, 0
83; CHECK-LE-NEXT:    plbz r3, GlobLd1@PCREL(0), 1
84; CHECK-LE-NEXT:    andi. r3, r3, 1
85; CHECK-LE-NEXT:    crandc 4*cr5+lt, gt, 4*cr1+eq
86; CHECK-LE-NEXT:    setbc r3, 4*cr5+lt
87; CHECK-LE-NEXT:    addi r1, r1, 32
88; CHECK-LE-NEXT:    ld r0, 16(r1)
89; CHECK-LE-NEXT:    mtlr r0
90; CHECK-LE-NEXT:    blr
91;
92; CHECK-BE-LABEL: i32_ExtLoad_i1:
93; CHECK-BE:       # %bb.0: # %bb
94; CHECK-BE-NEXT:    mflr r0
95; CHECK-BE-NEXT:    std r0, 16(r1)
96; CHECK-BE-NEXT:    stdu r1, -112(r1)
97; CHECK-BE-NEXT:    .cfi_def_cfa_offset 112
98; CHECK-BE-NEXT:    .cfi_offset lr, 16
99; CHECK-BE-NEXT:    addis r3, r2, Glob1@toc@ha
100; CHECK-BE-NEXT:    addis r4, r2, Glob2@toc@ha
101; CHECK-BE-NEXT:    addi r3, r3, Glob1@toc@l
102; CHECK-BE-NEXT:    addi r4, r4, Glob2@toc@l
103; CHECK-BE-NEXT:    bl Decl
104; CHECK-BE-NEXT:    nop
105; CHECK-BE-NEXT:    cmpwi cr1, r3, 0
106; CHECK-BE-NEXT:    addis r3, r2, GlobLd1@toc@ha
107; CHECK-BE-NEXT:    lbz r3, GlobLd1@toc@l(r3)
108; CHECK-BE-NEXT:    andi. r3, r3, 1
109; CHECK-BE-NEXT:    crandc 4*cr5+lt, gt, 4*cr1+eq
110; CHECK-BE-NEXT:    setbc r3, 4*cr5+lt
111; CHECK-BE-NEXT:    addi r1, r1, 112
112; CHECK-BE-NEXT:    ld r0, 16(r1)
113; CHECK-BE-NEXT:    mtlr r0
114; CHECK-BE-NEXT:    blr
115bb:
116  %i = call signext i32 @Decl(ptr nonnull dereferenceable(32) @Glob1, ptr @Glob2) #1
117  %i1 = icmp eq i32 %i, 0
118  %i2 = load i1, ptr @GlobLd1, align 1
119  %i3 = select i1 %i1, i1 false, i1 %i2
120  ret i1 %i3
121}
122