xref: /llvm-project/llvm/test/CodeGen/PowerPC/inline-asm-dollarpc.ll (revision 427fb35192f1f7bb694a5910b05abc5925a798b2)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mcpu=pwr7 -verify-machineinstrs \
3; RUN:     -mtriple=powerpc-unknown-aix < %s  | FileCheck %s --check-prefix=IAS32
4
5; RUN: llc -mcpu=pwr7 -verify-machineinstrs \
6; RUN:     -mtriple=powerpc64-unknown-aix < %s | FileCheck %s --check-prefix=IAS64
7
8; RUN: llc -mcpu=pwr7 -verify-machineinstrs -no-integrated-as \
9; RUN:     -mtriple=powerpc64-unknown-aix < %s | FileCheck %s --check-prefix=NOIAS
10
11define dso_local i32 @dollarpc() #0 {
12; IAS32-LABEL: dollarpc:
13; IAS32:       # %bb.0: # %entry
14; IAS32-NEXT:    li 3, 0
15; IAS32-NEXT:    stw 3, -4(1)
16; IAS32-NEXT:    #APP
17; IAS32-NEXT:    mfspr 5, 269
18; IAS32-NEXT:    mfspr 3, 268
19; IAS32-NEXT:    mfspr 4, 269
20; IAS32-NEXT:    cmpw 5, 4
21; IAS32-NEXT:  L..tmp0:
22; IAS32-NEXT:    bne 0, L..tmp0-16
23; IAS32-EMPTY:
24; IAS32-NEXT:    #NO_APP
25; IAS32-NEXT:    stw 3, -12(1)
26; IAS32-NEXT:    stw 4, -8(1)
27; IAS32-NEXT:    stw 5, -16(1)
28; IAS32-NEXT:    blr
29;
30; IAS64-LABEL: dollarpc:
31; IAS64:       # %bb.0: # %entry
32; IAS64-NEXT:    li 3, 0
33; IAS64-NEXT:    stw 3, -4(1)
34; IAS64-NEXT:    #APP
35; IAS64-NEXT:    mfspr 4, 269
36; IAS64-NEXT:    mfspr 3, 268
37; IAS64-NEXT:    mfspr 5, 269
38; IAS64-NEXT:    cmpw 4, 5
39; IAS64-NEXT:  L..tmp0:
40; IAS64-NEXT:    bne 0, L..tmp0-16
41; IAS64-EMPTY:
42; IAS64-NEXT:    #NO_APP
43; IAS64-NEXT:    stw 3, -12(1)
44; IAS64-NEXT:    rldimi 3, 5, 32, 0
45; IAS64-NEXT:    stw 5, -8(1)
46; IAS64-NEXT:    stw 4, -16(1)
47; IAS64-NEXT:    blr
48;
49; NOIAS-LABEL: dollarpc:
50; NOIAS:       # %bb.0: # %entry
51; NOIAS-NEXT:    li 3, 0
52; NOIAS-NEXT:    stw 3, -4(1)
53; NOIAS-NEXT:    #APP
54; NOIAS-NEXT:    mftbu 4
55; NOIAS-NEXT:  mftb 3
56; NOIAS-NEXT:  mftbu 5
57; NOIAS-NEXT:  cmpw 4,5
58; NOIAS-NEXT:  bne $-0x10
59; NOIAS-EMPTY:
60; NOIAS-NEXT:    #NO_APP
61; NOIAS-NEXT:    stw 3, -12(1)
62; NOIAS-NEXT:    rldimi 3, 5, 32, 0
63; NOIAS-NEXT:    stw 5, -8(1)
64; NOIAS-NEXT:    stw 4, -16(1)
65; NOIAS-NEXT:    blr
66entry:
67  %retval = alloca i32, align 4
68  %tbu = alloca i32, align 4
69  %tbl = alloca i32, align 4
70  %temp = alloca i32, align 4
71  store i32 0, ptr %retval, align 4
72  %0 = call { i32, i32, i32 } asm sideeffect "mftbu  $2\0Amftb   $0\0Amftbu  $1\0Acmpw   $2,$1\0Abne    $$-0x10\0A", "=r,=r,=r,~{cc}"()
73  %asmresult = extractvalue { i32, i32, i32 } %0, 0
74  %asmresult1 = extractvalue { i32, i32, i32 } %0, 1
75  %asmresult2 = extractvalue { i32, i32, i32 } %0, 2
76  store i32 %asmresult, ptr %tbl, align 4
77  store i32 %asmresult1, ptr %tbu, align 4
78  store i32 %asmresult2, ptr %temp, align 4
79  %1 = load i32, ptr %tbu, align 4
80  %conv = zext i32 %1 to i64
81  %shl = shl i64 %conv, 32
82  %2 = load i32, ptr %tbl, align 4
83  %conv3 = zext i32 %2 to i64
84  %or = or i64 %shl, %conv3
85  %conv4 = trunc i64 %or to i32
86  ret i32 %conv4
87}
88
89