1 # RUN: llc -mtriple=s390x-linux-gnu -mcpu=z13 -misched=shuffle -verify-machineinstrs -start-before=simple-register-coalescing -systemz-subreg-liveness %s -o - | FileCheck %s
3 # -misched=shuffle is under !NDEBUG.
6 # Check for successful compilation.
10 target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-v128:64-a:8:16-n32:64"
11 target triple = "s390x-unknown-linux-gnu"
13 @g_54 = external dso_local unnamed_addr global i8, align 2
14 @g_69 = external dso_local unnamed_addr global i32, align 4
15 @g_189 = external dso_local unnamed_addr global i16, align 2
16 @g_226 = external dso_local unnamed_addr global i8, align 2
17 @g_314 = external dso_local global [10 x i8], align 2
18 @g_334 = external dso_local global i32, align 4
19 @g_352 = external dso_local unnamed_addr global i64, align 8
20 @g_747 = external dso_local unnamed_addr global i1, align 2
21 @0 = internal unnamed_addr global i8 74, align 2
22 @g_1055 = external dso_local unnamed_addr global i16, align 2
23 @g_195 = external dso_local global i64**, align 8
25 ; Function Attrs: argmemonly nounwind
26 declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #0
28 ; Function Attrs: argmemonly nounwind
29 declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #0
31 ; Function Attrs: nounwind
32 define dso_local fastcc void @func_32(i8 zeroext %arg, i16 zeroext %arg1) unnamed_addr #1 {
34 %tmp = alloca i32, align 4
35 %tmp2 = alloca [5 x [5 x i32***]], align 8
36 %tmp3 = bitcast [5 x [5 x i32***]]* %tmp2 to i8*
37 %tmp4 = getelementptr inbounds [5 x [5 x i32***]], [5 x [5 x i32***]]* %tmp2, i64 0, i64 2, i64 2
38 %tmp5 = bitcast i32**** %tmp4 to i64***
41 bb6: ; preds = %bb40, %bb
42 %tmp7 = phi i8 [ 0, %bb ], [ %tmp43, %bb40 ]
43 %tmp8 = phi i16 [ %arg1, %bb ], [ %tmp41, %bb40 ]
44 %tmp9 = phi i8 [ %arg, %bb ], [ 0, %bb40 ]
45 %tmp10 = sext i8 %tmp7 to i64
46 %tmp11 = add nsw i64 %tmp10, 1
47 %tmp12 = getelementptr inbounds [10 x i8], [10 x i8]* @g_314, i64 0, i64 %tmp11
48 %tmp13 = load volatile i8, i8* %tmp12, align 1, !tbaa !1
49 br i1 undef, label %bb39, label %bb14
52 %tmp15 = load i64**, i64*** @g_195, align 8, !tbaa !4
53 %tmp16 = load volatile i8, i8* %tmp12, align 1, !tbaa !1
54 store i32 7, i32* %tmp, align 4, !tbaa !6
55 call void @llvm.lifetime.start.p0i8(i64 200, i8* nonnull %tmp3) #2
56 store i32 580868341, i32* @g_69, align 4, !tbaa !6
57 %tmp17 = zext i8 %tmp9 to i64
58 %tmp18 = load i64, i64* @g_352, align 8, !tbaa !8
59 %tmp19 = and i64 %tmp18, %tmp17
60 %tmp20 = icmp ne i64 %tmp19, 1
61 %tmp21 = zext i1 %tmp20 to i64
62 %tmp22 = load i64*, i64** %tmp15, align 8, !tbaa !4
63 store i64 %tmp21, i64* %tmp22, align 8, !tbaa !8
64 %tmp23 = load i32, i32* @g_334, align 4, !tbaa !6
65 %tmp24 = xor i32 %tmp23, 1
66 store i32 %tmp24, i32* @g_334, align 4, !tbaa !6
67 %tmp25 = zext i8 %tmp9 to i16
68 %tmp26 = mul i16 %tmp25, 26036
69 %tmp27 = load i64**, i64*** %tmp5, align 8
73 %tmp29 = mul i16 %tmp26, %tmp8
74 %tmp30 = zext i16 %tmp29 to i32
75 store i32 %tmp30, i32* @g_69, align 4, !tbaa !6
76 store i8 0, i8* @g_226, align 2, !tbaa !1
80 call void @llvm.lifetime.end.p0i8(i64 200, i8* nonnull %tmp3) #2
83 bb32: ; preds = %bb34, %bb28
84 store i16 1, i16* @g_1055, align 2, !tbaa !10
85 store i64 0, i64* @g_352, align 8, !tbaa !8
86 store i32* @g_334, i32** undef, align 8, !tbaa !4
88 store i64 %tmp33, i64* @g_352, align 8, !tbaa !8
89 store i32* @g_334, i32** null, align 8, !tbaa !4
93 br i1 false, label %bb32, label %bb35
96 store i32* %tmp, i32** undef, align 8, !tbaa !4
97 store i8 0, i8* @0, align 2, !tbaa !1
98 store i16 2, i16* @g_189, align 2, !tbaa !10
99 store i8 1, i8* @g_54, align 2, !tbaa !1
100 store i1 true, i1* @g_747, align 2
101 store i64 0, i64* undef, align 8, !tbaa !8
102 %tmp36 = load i64*, i64** undef, align 8, !tbaa !4
103 %tmp37 = load i64, i64* %tmp36, align 8, !tbaa !4
104 %tmp38 = load i64*, i64** %tmp27, align 8, !tbaa !4
105 store i64 %tmp37, i64* %tmp38, align 8, !tbaa !4
106 store i16 0, i16* @g_189, align 2, !tbaa !10
112 bb40: ; preds = %bb39, %bb31
113 %tmp41 = phi i16 [ undef, %bb39 ], [ 0, %bb31 ]
114 %tmp42 = load volatile i8, i8* %tmp12, align 1, !tbaa !1
115 %tmp43 = add i8 %tmp7, 1
116 br i1 false, label %bb6, label %bb44
118 bb44: ; preds = %bb40
122 ; Function Attrs: nounwind
123 declare void @llvm.stackprotector(i8*, i8**) #2
125 attributes #0 = { argmemonly nounwind "target-cpu"="z13" }
126 attributes #1 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="z13" "target-features"="+transactional-execution,+vector" "unsafe-fp-math"="false" "use-soft-float"="false" }
127 attributes #2 = { nounwind }
131 !0 = !{!"clang version 8.0.0"}
132 !1 = !{!2, !2, i64 0}
133 !2 = !{!"omnipotent char", !3, i64 0}
134 !3 = !{!"Simple C/C++ TBAA"}
135 !4 = !{!5, !5, i64 0}
136 !5 = !{!"any pointer", !2, i64 0}
137 !6 = !{!7, !7, i64 0}
138 !7 = !{!"int", !2, i64 0}
139 !8 = !{!9, !9, i64 0}
140 !9 = !{!"long", !2, i64 0}
141 !10 = !{!11, !11, i64 0}
142 !11 = !{!"short", !2, i64 0}
148 tracksRegLiveness: true
150 - { reg: '$r2d', virtual-reg: '%10' }
151 - { reg: '$r3d', virtual-reg: '%11' }
155 - { id: 0, name: tmp, size: 4, alignment: 4, stack-id: default }
156 - { id: 1, name: tmp2, size: 200, alignment: 8, stack-id: default }
161 %11:gr64bit = COPY killed $r3d
162 %10:gr64bit = COPY killed $r2d
163 %13:grx32bit = COPY killed %11.subreg_l32
164 %12:grx32bit = COPY killed %10.subreg_l32
165 %1:addr64bit = LA %stack.1.tmp2, 96, $noreg
166 %14:gr32bit = LHIMux 0
167 %18:addr64bit = LARL @g_314
168 %23:gr32bit = IIFMux 580868341
169 %26:addr64bit = LARL @g_352
171 %32:addr64bit = LARL @g_334
172 %33:gr32bit = LHIMux 1
173 %39:addr64bit = LARL @g_226
175 %46:gr64bit = LA %stack.0.tmp, 0, $noreg
176 %48:addr64bit = LARL @0
177 %49:gr32bit = LHIMux 2
178 %50:addr64bit = LARL @g_54
179 %51:addr64bit = LARL @g_747
180 %61:grx32bit = COPY %14
181 %62:gr32bit = COPY killed %13
182 %63:grx32bit = COPY killed %12
185 %4:grx32bit = COPY killed %63
186 %3:gr32bit = COPY killed %62
187 %2:grx32bit = COPY killed %61
188 undef %15.subreg_l32:gr64bit = COPY %2
189 %17:addr64bit = LGBR killed %15
190 %5:addr64bit = LA %17, 1, %18
191 dead %19:grx32bit = LBMux killed %17, 1, %18 :: (volatile load 1 from %ir.tmp12, !tbaa !1)
192 CHIMux %14, 0, implicit-def $cc
193 BRC 14, 6, %bb.7, implicit killed $cc
197 %21:addr64bit = LGRL @g_195 :: (dereferenceable load 8 from @g_195, !tbaa !4)
198 dead %22:grx32bit = LBMux %5, 0, $noreg :: (volatile load 1 from %ir.tmp12, !tbaa !1)
199 MVHI %stack.0.tmp, 0, 7 :: (store 4 into %ir.tmp, !tbaa !6)
200 STRL %23, @g_69 :: (store 4 into @g_69, !tbaa !6)
201 undef %24.subreg_l32:gr64bit = COPY %4
202 %27:gr64bit = LLGC %26, 7, $noreg :: (dereferenceable load 1 from @g_352 + 7, !tbaa !8)
203 %28:gr64bit = COPY killed %27
204 %28:gr64bit = RNSBG %28, killed %24, 0, 63, 0, implicit-def dead $cc
205 CGHI killed %28, 1, implicit-def $cc
206 %30:gr64bit = COPY %29
207 %30:gr64bit = LOCGHI %30, 1, 14, 6, implicit killed $cc
208 %31:addr64bit = LG killed %21, 0, $noreg :: (load 8 from %ir.tmp15)
209 STG killed %30, killed %31, 0, $noreg :: (store 8 into %ir.tmp22)
210 %34:gr32bit = COPY %33
211 %34:gr32bit = X %34, %32, 0, $noreg, implicit-def dead $cc :: (dereferenceable load 4 from @g_334, !tbaa !6)
212 STRL killed %34, @g_334 :: (store 4 into @g_334, !tbaa !6)
213 %35:gr32bit = LLCRMux killed %4
214 %36:gr32bit = COPY killed %35
215 %36:gr32bit = MHI %36, 26036
216 %7:addr64bit = LG %1, 0, $noreg :: (dereferenceable load 8 from %ir.tmp5)
219 %37:gr32bit = COPY killed %36
220 %37:gr32bit = MSR %37, killed %3
221 %38:gr32bit = LLHRMux killed %37
222 STRL killed %38, @g_69 :: (store 4 into @g_69, !tbaa !6)
223 MVI %39, 0, 0 :: (store 1 into @g_226, align 2, !tbaa !1)
227 STHRL %33, @g_1055 :: (store 2 into @g_1055, !tbaa !10)
228 STGRL %29, @g_352 :: (store 8 into @g_352, !tbaa !8)
229 STG %32, undef %43:addr64bit, 0, $noreg :: (store 8 into `i32** undef`)
230 STGRL %44, @g_352 :: (store 8 into @g_352, !tbaa !8)
231 STG %32, $noreg, 0, $noreg :: (store 8 into `i32** null`)
234 successors: %bb.4(0x7c000000), %bb.6(0x04000000)
236 CHIMux %14, 0, implicit-def $cc
237 BRC 14, 6, %bb.4, implicit killed $cc
241 STG %46, undef %47:addr64bit, 0, $noreg :: (store 8 into `i32** undef`)
242 MVI %48, 0, 0 :: (store 1 into @0, align 2, !tbaa !1)
243 STHRL %49, @g_189 :: (store 2 into @g_189, !tbaa !10)
244 MVI %50, 0, 1 :: (store 1 into @g_54, align 2, !tbaa !1)
245 MVI %51, 0, 1 :: (store 1 into @g_747, align 2)
246 MVGHI undef %52:addr64bit, 0, 0 :: (store 8 into `i64* undef`)
247 %53:gr64bit = LG $noreg, 0, $noreg :: (load 8 from %ir.tmp36)
248 %54:addr64bit = LG killed %7, 0, $noreg :: (load 8 from %ir.tmp27)
249 STG killed %53, killed %54, 0, $noreg :: (store 8 into %ir.tmp38)
250 STHRL %14, @g_189 :: (store 2 into @g_189, !tbaa !10)
251 %60:grx32bit = LHIMux 0
252 %64:grx32bit = COPY killed %60
256 %64:grx32bit = IMPLICIT_DEF
259 successors: %bb.1(0x7fffffff), %bb.9(0x00000001)
261 %8:grx32bit = COPY killed %64
262 dead %59:grx32bit = LBMux killed %5, 0, $noreg :: (volatile load 1 from %ir.tmp12, !tbaa !1)
263 %9:grx32bit = COPY killed %2
264 %9:grx32bit = AHIMux %9, 1, implicit-def dead $cc
265 %58:grx32bit = LHIMux 0
266 CHIMux %58, 0, implicit-def $cc
267 %61:grx32bit = COPY killed %9
268 %62:gr32bit = COPY killed %8
269 %63:grx32bit = COPY killed %58
270 BRC 14, 6, %bb.1, implicit killed $cc