1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2 # RUN: llc -debugify-and-strip-all-safe -O0 -mtriple=aarch64-unknown-unknown -verify-machineinstrs -run-pass=legalizer %s -o - | FileCheck %s
4 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
10 bb1: ; preds = %bb3, %bb
11 %lsr.iv = phi i16* [ %scevgep, %bb3 ], [ undef, %bb ]
12 %tmp = phi i1 [ %tmp9, %bb3 ], [ undef, %bb ]
13 br i1 %tmp, label %bb10, label %bb3
16 %tmp5 = getelementptr i16, i16* null, i64 2
17 %tmp6 = load i16, i16* %lsr.iv, align 2, !tbaa !0
18 %tmp7 = icmp eq i16 %tmp6, -1
19 %tmp8 = load i16, i16* %tmp5, align 2, !tbaa !0
20 %tmp9 = icmp eq i16 %tmp8, -1
21 %scevgep = getelementptr i16, i16* %lsr.iv, i64 2
22 br i1 %tmp7, label %bb10, label %bb1
24 bb10: ; preds = %bb3, %bb1
29 !1 = !{!"short", !2, i64 0}
30 !2 = !{!"omnipotent char", !3, i64 0}
31 !3 = !{!"Simple C/C++ TBAA"}
37 tracksRegLiveness: true
41 ; CHECK-LABEL: name: snork
43 ; CHECK-NEXT: successors: %bb.1(0x80000000)
45 ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
46 ; CHECK-NEXT: [[INTTOPTR:%[0-9]+]]:_(p0) = G_INTTOPTR [[C]](s64)
47 ; CHECK-NEXT: [[DEF:%[0-9]+]]:_(p0) = G_IMPLICIT_DEF
48 ; CHECK-NEXT: [[DEF1:%[0-9]+]]:_(s16) = G_IMPLICIT_DEF
50 ; CHECK-NEXT: bb.1.bb1:
51 ; CHECK-NEXT: successors: %bb.3(0x40000000), %bb.2(0x40000000)
53 ; CHECK-NEXT: [[PHI:%[0-9]+]]:_(p0) = G_PHI %6(p0), %bb.2, [[DEF]](p0), %bb.0
54 ; CHECK-NEXT: [[PHI1:%[0-9]+]]:_(s16) = G_PHI %22(s16), %bb.2, [[DEF1]](s16), %bb.0
55 ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
56 ; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[PHI1]](s16)
57 ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[ANYEXT]], [[C1]]
58 ; CHECK-NEXT: G_BRCOND [[AND]](s32), %bb.3
60 ; CHECK-NEXT: bb.2.bb3:
61 ; CHECK-NEXT: successors: %bb.3(0x40000000), %bb.1(0x40000000)
63 ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
64 ; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[INTTOPTR]], [[C2]](s64)
65 ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[PHI]](p0) :: (load (s16) from %ir.lsr.iv)
66 ; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[LOAD]](s16)
67 ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
68 ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(eq), [[ZEXT]](s32), [[C3]]
69 ; CHECK-NEXT: [[LOAD1:%[0-9]+]]:_(s16) = G_LOAD [[PTR_ADD]](p0) :: (load (s16) from %ir.tmp5)
70 ; CHECK-NEXT: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[LOAD1]](s16)
71 ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY [[C3]](s32)
72 ; CHECK-NEXT: [[ICMP1:%[0-9]+]]:_(s32) = G_ICMP intpred(eq), [[ZEXT1]](s32), [[COPY]]
73 ; CHECK-NEXT: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[PHI]], [[C2]](s64)
74 ; CHECK-NEXT: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
75 ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[ICMP]], [[C4]]
76 ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[ICMP1]](s32)
77 ; CHECK-NEXT: G_BRCOND [[AND1]](s32), %bb.3
78 ; CHECK-NEXT: G_BR %bb.1
80 ; CHECK-NEXT: bb.3.bb10:
81 ; CHECK-NEXT: RET_ReallyLR
83 %3:_(s64) = G_CONSTANT i64 0
84 %2:_(p0) = G_INTTOPTR %3(s64)
85 %7:_(s16) = G_CONSTANT i16 -1
86 %12:_(p0) = G_IMPLICIT_DEF
87 %13:_(s1) = G_IMPLICIT_DEF
90 %0:_(p0) = G_PHI %11(p0), %bb.3, %12(p0), %bb.1
91 %1:_(s1) = G_PHI %10(s1), %bb.3, %13(s1), %bb.1
92 G_BRCOND %1(s1), %bb.4
95 %4:_(s64) = G_CONSTANT i64 4
96 %5:_(p0) = G_PTR_ADD %2, %4(s64)
97 %6:_(s16) = G_LOAD %0(p0) :: (load (s16) from %ir.lsr.iv)
98 %8:_(s1) = G_ICMP intpred(eq), %6(s16), %7
99 %9:_(s16) = G_LOAD %5(p0) :: (load (s16) from %ir.tmp5)
100 %10:_(s1) = G_ICMP intpred(eq), %9(s16), %7
101 %11:_(p0) = G_PTR_ADD %0, %4(s64)
102 G_BRCOND %8(s1), %bb.4