test/CodeGen/AArch64/GlobalISel/select-hint.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple aarch64 -debugify-and-strip-all-safe -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s

# Check that we remove hints during selection.

...
---
name:            assert_zext_gpr
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $w0, $w1

    ; CHECK-LABEL: name: assert_zext_gpr
    ; CHECK: liveins: $w0, $w1
    ; CHECK: %copy:gpr32all = COPY $w0
    ; CHECK: $w1 = COPY %copy
    ; CHECK: RET_ReallyLR implicit $w1
    %copy:gpr(s32) = COPY $w0
    %copy_assert_zext:gpr(s32) = G_ASSERT_ZEXT %copy, 16
    $w1 = COPY %copy_assert_zext(s32)
    RET_ReallyLR implicit $w1

...
---
name:            assert_zext_fpr
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $s0, $s1

    ; CHECK-LABEL: name: assert_zext_fpr
    ; CHECK: liveins: $s0, $s1
    ; CHECK: %copy:fpr32 = COPY $s0
    ; CHECK: $s1 = COPY %copy
    ; CHECK: RET_ReallyLR implicit $s1
    %copy:fpr(s32) = COPY $s0
    %copy_assert_zext:fpr(s32) = G_ASSERT_ZEXT %copy, 16
    $s1 = COPY %copy_assert_zext(s32)
    RET_ReallyLR implicit $s1

...
---
name:            assert_zext_in_between_cross_bank
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $s0, $w1

    ; CHECK-LABEL: name: assert_zext_in_between_cross_bank
    ; CHECK: liveins: $s0, $w1
    ; CHECK: %copy:fpr32 = COPY $s0
    ; CHECK: $w1 = COPY %copy
    ; CHECK: RET_ReallyLR implicit $w1
    %copy:fpr(s32) = COPY $s0
    %copy_assert_zext:fpr(s32) = G_ASSERT_ZEXT %copy, 16
    $w1 = COPY %copy_assert_zext(s32)
    RET_ReallyLR implicit $w1

...
---
name:            assert_zext_decided_dst_class
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $w0, $w1, $w2

    ; Users of G_ASSERT_ZEXT may end up deciding the destination register class.
    ; Make sure that the source register class is constrained.

    ; CHECK-LABEL: name: assert_zext_decided_dst_class
    ; CHECK: liveins: $w0, $w1, $w2
    ; CHECK: %copy_with_rc:gpr32sp = COPY $w2
    ; CHECK: $w1 = COPY %copy_with_rc
    ; CHECK: RET_ReallyLR implicit $w1
    %copy:gpr(s32) = COPY $w0
    %copy_assert_zext:gpr(s32) = G_ASSERT_ZEXT %copy, 16
    %copy_with_rc:gpr32sp(s32) = COPY $w2
    $w1 = COPY %copy_with_rc(s32)
    RET_ReallyLR implicit $w1

...
---
name:            assert_sext_gpr
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $w0, $w1

    ; CHECK-LABEL: name: assert_sext_gpr
    ; CHECK: liveins: $w0, $w1
    ; CHECK: %copy:gpr32all = COPY $w0
    ; CHECK: $w1 = COPY %copy
    ; CHECK: RET_ReallyLR implicit $w1
    %copy:gpr(s32) = COPY $w0
    %copy_assert_sext:gpr(s32) = G_ASSERT_SEXT %copy, 16
    $w1 = COPY %copy_assert_sext(s32)
    RET_ReallyLR implicit $w1

...
---
name:            assert_sext_fpr
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $s0, $s1

    ; CHECK-LABEL: name: assert_sext_fpr
    ; CHECK: liveins: $s0, $s1
    ; CHECK: %copy:fpr32 = COPY $s0
    ; CHECK: $s1 = COPY %copy
    ; CHECK: RET_ReallyLR implicit $s1
    %copy:fpr(s32) = COPY $s0
    %copy_assert_sext:fpr(s32) = G_ASSERT_SEXT %copy, 16
    $s1 = COPY %copy_assert_sext(s32)
    RET_ReallyLR implicit $s1

...
---
name:            assert_sext_in_between_cross_bank
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $s0, $w1

    ; CHECK-LABEL: name: assert_sext_in_between_cross_bank
    ; CHECK: liveins: $s0, $w1
    ; CHECK: %copy:fpr32 = COPY $s0
    ; CHECK: $w1 = COPY %copy
    ; CHECK: RET_ReallyLR implicit $w1
    %copy:fpr(s32) = COPY $s0
    %copy_assert_sext:fpr(s32) = G_ASSERT_SEXT %copy, 16
    $w1 = COPY %copy_assert_sext(s32)
    RET_ReallyLR implicit $w1

...
---
name:            assert_sext_decided_dst_class
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $w0, $w1, $w2

    ; Users of G_ASSERT_SEXT may end up deciding the destination register class.
    ; Make sure that the source register class is constrained.

    ; CHECK-LABEL: name: assert_sext_decided_dst_class
    ; CHECK: liveins: $w0, $w1, $w2
    ; CHECK: %copy_with_rc:gpr32sp = COPY $w2
    ; CHECK: $w1 = COPY %copy_with_rc
    ; CHECK: RET_ReallyLR implicit $w1
    %copy:gpr(s32) = COPY $w0
    %copy_assert_sext:gpr(s32) = G_ASSERT_SEXT %copy, 16
    %copy_with_rc:gpr32sp(s32) = COPY $w2
    $w1 = COPY %copy_with_rc(s32)
    RET_ReallyLR implicit $w1