1 ; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2 ; RUN: llc -mcpu=pwr9 -mtriple=powerpc64le-unknown-linux-gnu < %s \
3 ; RUN: -stop-after=finalize-isel -verify-machineinstrs | FileCheck %s
5 ; Verify if the mayRaiseFPException is set for FCMPD/FCMPS
6 define i32 @fcmpu(double %a, double %b) {
7 ; CHECK-LABEL: name: fcmpu
9 ; CHECK: liveins: $f1, $f2
10 ; CHECK: [[COPY:%[0-9]+]]:f8rc = COPY $f2
11 ; CHECK: [[COPY1:%[0-9]+]]:f8rc = COPY $f1
12 ; CHECK: %2:crrc = nofpexcept FCMPUD [[COPY1]], [[COPY]]
13 ; CHECK: [[COPY2:%[0-9]+]]:crbitrc = COPY %2.sub_gt
14 ; CHECK: [[LI8_:%[0-9]+]]:g8rc_and_g8rc_nox0 = LI8 0
15 ; CHECK: [[LI8_1:%[0-9]+]]:g8rc_and_g8rc_nox0 = LI8 1
16 ; CHECK: [[ISEL8_:%[0-9]+]]:g8rc = ISEL8 [[LI8_1]], [[LI8_]], [[COPY2]]
17 ; CHECK: $x3 = COPY [[ISEL8_]]
18 ; CHECK: BLR8 implicit $lr8, implicit $rm, implicit $x3
20 %r = fcmp ogt double %a, %b
21 %g = zext i1 %r to i32
25 define double @max_typec(double %a, double %b) {
26 ; CHECK-LABEL: name: max_typec
28 ; CHECK: liveins: $f1, $f2
29 ; CHECK: [[COPY:%[0-9]+]]:vsfrc = COPY $f2
30 ; CHECK: [[COPY1:%[0-9]+]]:vsfrc = COPY $f1
31 ; CHECK: %2:vsfrc = nofpexcept XSMAXCDP [[COPY1]], [[COPY]]
32 ; CHECK: $f1 = COPY %2
33 ; CHECK: BLR8 implicit $lr8, implicit $rm, implicit $f1
35 %cmp = fcmp ogt double %a, %b
36 %sel = select i1 %cmp, double %a, double %b
40 ; Verify no mayRaiseFPException bit set on fneg & fabs
41 define double @fneg(double %a) {
42 ; CHECK-LABEL: name: fneg
45 ; CHECK: [[COPY:%[0-9]+]]:vsfrc = COPY $f1
46 ; CHECK: [[XSNEGDP:%[0-9]+]]:vsfrc = XSNEGDP [[COPY]], implicit $rm
47 ; CHECK: $f1 = COPY [[XSNEGDP]]
48 ; CHECK: BLR8 implicit $lr8, implicit $rm, implicit $f1
54 define double @fabs(double %a) {
55 ; CHECK-LABEL: name: fabs
58 ; CHECK: [[COPY:%[0-9]+]]:vsfrc = COPY $f1
59 ; CHECK: [[XSABSDP:%[0-9]+]]:vsfrc = XSABSDP [[COPY]], implicit $rm
60 ; CHECK: $f1 = COPY [[XSABSDP]]
61 ; CHECK: BLR8 implicit $lr8, implicit $rm, implicit $f1
63 %abs = call double @llvm.fabs.f64(double %a)
67 ; Verify nofpexcept is set to constrained conversions when ignoring exceptions
68 define void @fptoint_nofpexcept(ppc_fp128 %p, fp128 %m, i32* %addr1, i64* %addr2) {
69 ; CHECK-LABEL: name: fptoint_nofpexcept
71 ; CHECK: successors: %bb.1(0x40000000), %bb.2(0x40000000)
72 ; CHECK: liveins: $f1, $f2, $v2, $x7, $x8
73 ; CHECK: [[COPY:%[0-9]+]]:g8rc_and_g8rc_nox0 = COPY $x8
74 ; CHECK: [[COPY1:%[0-9]+]]:g8rc_and_g8rc_nox0 = COPY $x7
75 ; CHECK: [[COPY2:%[0-9]+]]:vrrc = COPY $v2
76 ; CHECK: [[COPY3:%[0-9]+]]:f8rc = COPY $f2
77 ; CHECK: [[COPY4:%[0-9]+]]:f8rc = COPY $f1
78 ; CHECK: %5:vrrc = nofpexcept XSCVQPSWZ [[COPY2]]
79 ; CHECK: [[COPY5:%[0-9]+]]:vslrc = COPY %5
80 ; CHECK: [[COPY6:%[0-9]+]]:vfrc = COPY [[COPY5]].sub_64
81 ; CHECK: [[MFVSRWZ:%[0-9]+]]:gprc = MFVSRWZ killed [[COPY6]]
82 ; CHECK: STW killed [[MFVSRWZ]], 0, [[COPY1]] :: (volatile store (s32) into %ir.addr1)
83 ; CHECK: %8:vrrc = nofpexcept XSCVQPUWZ [[COPY2]]
84 ; CHECK: [[COPY7:%[0-9]+]]:vslrc = COPY %8
85 ; CHECK: [[COPY8:%[0-9]+]]:vfrc = COPY [[COPY7]].sub_64
86 ; CHECK: [[MFVSRWZ1:%[0-9]+]]:gprc = MFVSRWZ killed [[COPY8]]
87 ; CHECK: STW killed [[MFVSRWZ1]], 0, [[COPY1]] :: (volatile store (s32) into %ir.addr1)
88 ; CHECK: %11:vrrc = nofpexcept XSCVQPSDZ [[COPY2]]
89 ; CHECK: %12:g8rc = nofpexcept MFVRD killed %11
90 ; CHECK: STD killed %12, 0, [[COPY]] :: (volatile store (s64) into %ir.addr2)
91 ; CHECK: %13:vrrc = nofpexcept XSCVQPUDZ [[COPY2]]
92 ; CHECK: %14:g8rc = nofpexcept MFVRD killed %13
93 ; CHECK: STD killed %14, 0, [[COPY]] :: (volatile store (s64) into %ir.addr2)
94 ; CHECK: [[MFFS:%[0-9]+]]:f8rc = MFFS implicit $rm
95 ; CHECK: MTFSB1 31, implicit-def $rm
96 ; CHECK: MTFSB0 30, implicit-def $rm
97 ; CHECK: %15:f8rc = nofpexcept FADD [[COPY3]], [[COPY4]], implicit $rm
98 ; CHECK: MTFSFb 1, [[MFFS]], implicit-def $rm
99 ; CHECK: %16:vsfrc = nofpexcept XSCVDPSXWS killed %15, implicit $rm
100 ; CHECK: [[MFVSRWZ2:%[0-9]+]]:gprc = MFVSRWZ killed %16
101 ; CHECK: STW killed [[MFVSRWZ2]], 0, [[COPY1]] :: (volatile store (s32) into %ir.addr1)
102 ; CHECK: [[ADDIStocHA8_:%[0-9]+]]:g8rc_and_g8rc_nox0 = ADDIStocHA8 $x2, %const.0
103 ; CHECK: [[DFLOADf32_:%[0-9]+]]:vssrc = DFLOADf32 target-flags(ppc-toc-lo) %const.0, killed [[ADDIStocHA8_]] :: (load (s32) from constant-pool)
104 ; CHECK: [[COPY9:%[0-9]+]]:f8rc = COPY [[DFLOADf32_]]
105 ; CHECK: [[FCMPOD:%[0-9]+]]:crrc = FCMPOD [[COPY4]], [[COPY9]]
106 ; CHECK: [[COPY10:%[0-9]+]]:crbitrc = COPY [[FCMPOD]].sub_eq
107 ; CHECK: [[XXLXORdpz:%[0-9]+]]:f8rc = XXLXORdpz
108 ; CHECK: [[FCMPOD1:%[0-9]+]]:crrc = FCMPOD [[COPY3]], [[XXLXORdpz]]
109 ; CHECK: [[COPY11:%[0-9]+]]:crbitrc = COPY [[FCMPOD1]].sub_lt
110 ; CHECK: [[CRAND:%[0-9]+]]:crbitrc = CRAND killed [[COPY10]], killed [[COPY11]]
111 ; CHECK: [[COPY12:%[0-9]+]]:crbitrc = COPY [[FCMPOD]].sub_eq
112 ; CHECK: [[COPY13:%[0-9]+]]:crbitrc = COPY [[FCMPOD]].sub_lt
113 ; CHECK: [[CRANDC:%[0-9]+]]:crbitrc = CRANDC killed [[COPY13]], killed [[COPY12]]
114 ; CHECK: [[CROR:%[0-9]+]]:crbitrc = CROR killed [[CRANDC]], killed [[CRAND]]
115 ; CHECK: [[LIS:%[0-9]+]]:gprc_and_gprc_nor0 = LIS 32768
116 ; CHECK: [[LI:%[0-9]+]]:gprc_and_gprc_nor0 = LI 0
117 ; CHECK: [[ISEL:%[0-9]+]]:gprc = ISEL [[LI]], [[LIS]], [[CROR]]
118 ; CHECK: BC [[CROR]], %bb.2
120 ; CHECK: successors: %bb.2(0x80000000)
122 ; CHECK: [[PHI:%[0-9]+]]:f8rc = PHI [[COPY9]], %bb.1, [[XXLXORdpz]], %bb.0
123 ; CHECK: ADJCALLSTACKDOWN 32, 0, implicit-def dead $r1, implicit $r1
124 ; CHECK: $f1 = COPY [[COPY4]]
125 ; CHECK: $f2 = COPY [[COPY3]]
126 ; CHECK: $f3 = COPY [[PHI]]
127 ; CHECK: $f4 = COPY [[XXLXORdpz]]
128 ; CHECK: BL8_NOP &__gcc_qsub, csr_ppc64_altivec, implicit-def dead $lr8, implicit $rm, implicit $f1, implicit $f2, implicit $f3, implicit $f4, implicit $x2, implicit-def $r1, implicit-def $f1, implicit-def $f2
129 ; CHECK: ADJCALLSTACKUP 32, 0, implicit-def dead $r1, implicit $r1
130 ; CHECK: [[COPY14:%[0-9]+]]:f8rc = COPY $f1
131 ; CHECK: [[COPY15:%[0-9]+]]:f8rc = COPY $f2
132 ; CHECK: [[MFFS1:%[0-9]+]]:f8rc = MFFS implicit $rm
133 ; CHECK: MTFSB1 31, implicit-def $rm
134 ; CHECK: MTFSB0 30, implicit-def $rm
135 ; CHECK: %37:f8rc = nofpexcept FADD [[COPY15]], [[COPY14]], implicit $rm
136 ; CHECK: MTFSFb 1, [[MFFS1]], implicit-def $rm
137 ; CHECK: %38:vsfrc = nofpexcept XSCVDPSXWS killed %37, implicit $rm
138 ; CHECK: [[MFVSRWZ3:%[0-9]+]]:gprc = MFVSRWZ killed %38
139 ; CHECK: [[XOR:%[0-9]+]]:gprc = XOR killed [[MFVSRWZ3]], killed [[ISEL]]
140 ; CHECK: STW killed [[XOR]], 0, [[COPY1]] :: (volatile store (s32) into %ir.addr1)
141 ; CHECK: BLR8 implicit $lr8, implicit $rm
143 %conv1 = tail call i32 @llvm.experimental.constrained.fptosi.i32.f128(fp128 %m, metadata !"fpexcept.ignore") #0
144 store volatile i32 %conv1, i32* %addr1, align 4
145 %conv2 = tail call i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128 %m, metadata !"fpexcept.ignore") #0
146 store volatile i32 %conv2, i32* %addr1, align 4
147 %conv3 = tail call i64 @llvm.experimental.constrained.fptosi.i64.f128(fp128 %m, metadata !"fpexcept.ignore") #0
148 store volatile i64 %conv3, i64* %addr2, align 8
149 %conv4 = tail call i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128 %m, metadata !"fpexcept.ignore") #0
150 store volatile i64 %conv4, i64* %addr2, align 8
152 %conv5 = tail call i32 @llvm.experimental.constrained.fptosi.i32.ppcf128(ppc_fp128 %p, metadata !"fpexcept.ignore") #0
153 store volatile i32 %conv5, i32* %addr1, align 4
154 %conv6 = tail call i32 @llvm.experimental.constrained.fptoui.i32.ppcf128(ppc_fp128 %p, metadata !"fpexcept.ignore") #0
155 store volatile i32 %conv6, i32* %addr1, align 4
159 ; Verify nofpexcept is NOT set to constrained conversions
160 define signext i32 @q_to_i32(fp128 %m) #0 {
161 ; CHECK-LABEL: name: q_to_i32
163 ; CHECK: liveins: $v2
164 ; CHECK: [[COPY:%[0-9]+]]:vrrc = COPY $v2
165 ; CHECK: [[XSCVQPSWZ:%[0-9]+]]:vrrc = XSCVQPSWZ [[COPY]]
166 ; CHECK: [[COPY1:%[0-9]+]]:vslrc = COPY [[XSCVQPSWZ]]
167 ; CHECK: [[COPY2:%[0-9]+]]:vfrc = COPY [[COPY1]].sub_64
168 ; CHECK: [[MFVSRWZ:%[0-9]+]]:gprc = MFVSRWZ killed [[COPY2]]
169 ; CHECK: [[EXTSW_32_64_:%[0-9]+]]:g8rc = EXTSW_32_64 killed [[MFVSRWZ]]
170 ; CHECK: $x3 = COPY [[EXTSW_32_64_]]
171 ; CHECK: BLR8 implicit $lr8, implicit $rm, implicit $x3
173 %conv = tail call i32 @llvm.experimental.constrained.fptosi.i32.f128(fp128 %m, metadata !"fpexcept.strict") #0
177 define i64 @q_to_i64(fp128 %m) #0 {
178 ; CHECK-LABEL: name: q_to_i64
180 ; CHECK: liveins: $v2
181 ; CHECK: [[COPY:%[0-9]+]]:vrrc = COPY $v2
182 ; CHECK: [[XSCVQPSDZ:%[0-9]+]]:vrrc = XSCVQPSDZ [[COPY]]
183 ; CHECK: [[MFVRD:%[0-9]+]]:g8rc = MFVRD killed [[XSCVQPSDZ]]
184 ; CHECK: $x3 = COPY [[MFVRD]]
185 ; CHECK: BLR8 implicit $lr8, implicit $rm, implicit $x3
187 %conv = tail call i64 @llvm.experimental.constrained.fptosi.i64.f128(fp128 %m, metadata !"fpexcept.strict") #0
191 define i64 @q_to_u64(fp128 %m) #0 {
192 ; CHECK-LABEL: name: q_to_u64
194 ; CHECK: liveins: $v2
195 ; CHECK: [[COPY:%[0-9]+]]:vrrc = COPY $v2
196 ; CHECK: [[XSCVQPUDZ:%[0-9]+]]:vrrc = XSCVQPUDZ [[COPY]]
197 ; CHECK: [[MFVRD:%[0-9]+]]:g8rc = MFVRD killed [[XSCVQPUDZ]]
198 ; CHECK: $x3 = COPY [[MFVRD]]
199 ; CHECK: BLR8 implicit $lr8, implicit $rm, implicit $x3
201 %conv = tail call i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128 %m, metadata !"fpexcept.strict") #0
205 define zeroext i32 @q_to_u32(fp128 %m) #0 {
206 ; CHECK-LABEL: name: q_to_u32
208 ; CHECK: liveins: $v2
209 ; CHECK: [[COPY:%[0-9]+]]:vrrc = COPY $v2
210 ; CHECK: [[XSCVQPUWZ:%[0-9]+]]:vrrc = XSCVQPUWZ [[COPY]]
211 ; CHECK: [[COPY1:%[0-9]+]]:vslrc = COPY [[XSCVQPUWZ]]
212 ; CHECK: [[COPY2:%[0-9]+]]:vfrc = COPY [[COPY1]].sub_64
213 ; CHECK: [[MFVSRWZ:%[0-9]+]]:gprc = MFVSRWZ killed [[COPY2]]
214 ; CHECK: [[DEF:%[0-9]+]]:g8rc = IMPLICIT_DEF
215 ; CHECK: [[INSERT_SUBREG:%[0-9]+]]:g8rc = INSERT_SUBREG [[DEF]], killed [[MFVSRWZ]], %subreg.sub_32
216 ; CHECK: [[RLDICL:%[0-9]+]]:g8rc = RLDICL killed [[INSERT_SUBREG]], 0, 32
217 ; CHECK: $x3 = COPY [[RLDICL]]
218 ; CHECK: BLR8 implicit $lr8, implicit $rm, implicit $x3
220 %conv = tail call i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128 %m, metadata !"fpexcept.strict") #0
224 declare double @llvm.fabs.f64(double)
226 declare i32 @llvm.experimental.constrained.fptosi.i32.f128(fp128, metadata)
227 declare i64 @llvm.experimental.constrained.fptosi.i64.f128(fp128, metadata)
228 declare i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128, metadata)
229 declare i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128, metadata)
230 declare i32 @llvm.experimental.constrained.fptosi.i32.ppcf128(ppc_fp128, metadata)
231 declare i32 @llvm.experimental.constrained.fptoui.i32.ppcf128(ppc_fp128, metadata)
233 attributes #0 = { strictfp }