| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -O0 -mtriple=aarch64-unknown-unknown -verify-machineinstrs -run-pass=legalizer %s -o - | FileCheck %s |
| --- | |
| target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @snork() { |
| bb: |
| br label %bb1 |
| |
| bb1: ; preds = %bb3, %bb |
| %lsr.iv = phi i16* [ %scevgep, %bb3 ], [ undef, %bb ] |
| %tmp = phi i1 [ %tmp9, %bb3 ], [ undef, %bb ] |
| br i1 %tmp, label %bb10, label %bb3 |
| |
| bb3: ; preds = %bb1 |
| %tmp5 = getelementptr i16, i16* null, i64 2 |
| %tmp6 = load i16, i16* %lsr.iv, align 2, !tbaa !0 |
| %tmp7 = icmp eq i16 %tmp6, -1 |
| %tmp8 = load i16, i16* %tmp5, align 2, !tbaa !0 |
| %tmp9 = icmp eq i16 %tmp8, -1 |
| %scevgep = getelementptr i16, i16* %lsr.iv, i64 2 |
| br i1 %tmp7, label %bb10, label %bb1 |
| |
| bb10: ; preds = %bb3, %bb1 |
| ret void |
| } |
| |
| !0 = !{!1, !1, i64 0} |
| !1 = !{!"short", !2, i64 0} |
| !2 = !{!"omnipotent char", !3, i64 0} |
| !3 = !{!"Simple C/C++ TBAA"} |
| |
| ... |
| --- |
| name: snork |
| alignment: 16 |
| tracksRegLiveness: true |
| frameInfo: |
| maxAlignment: 1 |
| body: | |
| ; CHECK-LABEL: name: snork |
| ; CHECK: bb.0.bb: |
| ; CHECK: successors: %bb.1(0x80000000) |
| ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0 |
| ; CHECK: [[INTTOPTR:%[0-9]+]]:_(p0) = G_INTTOPTR [[C]](s64) |
| ; CHECK: [[DEF:%[0-9]+]]:_(p0) = G_IMPLICIT_DEF |
| ; CHECK: [[DEF1:%[0-9]+]]:_(s16) = G_IMPLICIT_DEF |
| ; CHECK: bb.1.bb1: |
| ; CHECK: successors: %bb.3(0x40000000), %bb.2(0x40000000) |
| ; CHECK: [[PHI:%[0-9]+]]:_(p0) = G_PHI %6(p0), %bb.2, [[DEF]](p0), %bb.0 |
| ; CHECK: [[PHI1:%[0-9]+]]:_(s16) = G_PHI %20(s16), %bb.2, [[DEF1]](s16), %bb.0 |
| ; CHECK: [[TRUNC:%[0-9]+]]:_(s1) = G_TRUNC [[PHI1]](s16) |
| ; CHECK: G_BRCOND [[TRUNC]](s1), %bb.3 |
| ; CHECK: bb.2.bb3: |
| ; CHECK: successors: %bb.3(0x40000000), %bb.1(0x40000000) |
| ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4 |
| ; CHECK: [[GEP:%[0-9]+]]:_(p0) = G_GEP [[INTTOPTR]], [[C1]](s64) |
| ; CHECK: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[PHI]](p0) :: (load 2 from %ir.lsr.iv) |
| ; CHECK: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[LOAD]](s16) |
| ; CHECK: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535 |
| ; CHECK: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(eq), [[ZEXT]](s32), [[C2]] |
| ; CHECK: [[TRUNC1:%[0-9]+]]:_(s1) = G_TRUNC [[ICMP]](s32) |
| ; CHECK: [[LOAD1:%[0-9]+]]:_(s16) = G_LOAD [[GEP]](p0) :: (load 2 from %ir.tmp5) |
| ; CHECK: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[LOAD1]](s16) |
| ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY [[C2]](s32) |
| ; CHECK: [[ICMP1:%[0-9]+]]:_(s32) = G_ICMP intpred(eq), [[ZEXT1]](s32), [[COPY]] |
| ; CHECK: [[GEP1:%[0-9]+]]:_(p0) = G_GEP [[PHI]], [[C1]](s64) |
| ; CHECK: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[ICMP1]](s32) |
| ; CHECK: G_BRCOND [[TRUNC1]](s1), %bb.3 |
| ; CHECK: G_BR %bb.1 |
| ; CHECK: bb.3.bb10: |
| ; CHECK: RET 0 |
| bb.1.bb: |
| %3:_(s64) = G_CONSTANT i64 0 |
| %2:_(p0) = G_INTTOPTR %3(s64) |
| %7:_(s16) = G_CONSTANT i16 -1 |
| %12:_(p0) = G_IMPLICIT_DEF |
| %13:_(s1) = G_IMPLICIT_DEF |
| |
| bb.2.bb1: |
| %0:_(p0) = G_PHI %11(p0), %bb.3, %12(p0), %bb.1 |
| %1:_(s1) = G_PHI %10(s1), %bb.3, %13(s1), %bb.1 |
| G_BRCOND %1(s1), %bb.4 |
| |
| bb.3.bb3: |
| %4:_(s64) = G_CONSTANT i64 4 |
| %5:_(p0) = G_GEP %2, %4(s64) |
| %6:_(s16) = G_LOAD %0(p0) :: (load 2 from %ir.lsr.iv) |
| %8:_(s1) = G_ICMP intpred(eq), %6(s16), %7 |
| %9:_(s16) = G_LOAD %5(p0) :: (load 2 from %ir.tmp5) |
| %10:_(s1) = G_ICMP intpred(eq), %9(s16), %7 |
| %11:_(p0) = G_GEP %0, %4(s64) |
| G_BRCOND %8(s1), %bb.4 |
| G_BR %bb.2 |
| |
| bb.4.bb10: |
| RET 0 |
| |
| ... |