third_party/llvm-7.0/llvm/test/CodeGen/X86/verifier-generic-extend-truncate.mir

# RUN: not llc -o - %s -mtriple=x86_64-- -verify-machineinstrs -run-pass=none 2>&1 | FileCheck %s

# CHECK: Bad machine code: Generic extend/truncate can not operate on pointers
# CHECK-NEXT: - function:    bad_generic_extends_and_truncates
# CHECK-NEXT: - basic block: %bb.1
# CHECK-NEXT: - instruction: %t_p:_(s32) = G_TRUNC %p:_(p0)

# CHECK: Bad machine code: Generic extend/truncate must be all-vector or all-scalar
# CHECK-NEXT: - function:    bad_generic_extends_and_truncates
# CHECK-NEXT: - basic block: %bb.2
# CHECK-NEXT: - instruction: %se_i32:_(<2 x s64>) = G_SEXT %i32:_(s32)

# CHECK: Bad machine code: Generic vector extend/truncate must preserve number of lanes
# CHECK-NEXT: - function:    bad_generic_extends_and_truncates
# CHECK-NEXT: - basic block: %bb.3
# CHECK-NEXT: - instruction: %ze_v2i32:_(<4 x s64>) = G_ZEXT %v2i32:_(<2 x s32>)

# CHECK: Bad machine code: Generic extend has destination type no larger than source
# CHECK-NEXT: - function:    bad_generic_extends_and_truncates
# CHECK-NEXT: - basic block: %bb.4
# CHECK-NEXT: - instruction: %ae_i32:_(s32) = G_ANYEXT %i32:_(s32)

# CHECK: Bad machine code: Generic truncate has destination type no smaller than source ***
# CHECK-NEXT: - function:    bad_generic_extends_and_truncates
# CHECK-NEXT: - basic block: %bb.5
# CHECK-NEXT: - instruction: %ft_f32:_(s64) = G_FPTRUNC %f32:_(s32)


# CHECK: Bad machine code: Generic extend/truncate can not operate on pointers
# CHECK-NEXT: - function:    bad_generic_extends_and_truncates
# CHECK-NEXT: - basic block: %bb.6
# CHECK-NEXT: - instruction: %ze_v2i128:_(<4 x p0>) = G_ZEXT %v2i128:_(<2 x s128>)

# CHECK: Bad machine code: Generic vector extend/truncate must preserve number of lanes
# CHECK-NEXT: - function:    bad_generic_extends_and_truncates
# CHECK-NEXT: - basic block: %bb.6
# CHECK-NEXT: - instruction: %ze_v2i128:_(<4 x p0>) = G_ZEXT %v2i128:_(<2 x s128>)

# CHECK: Bad machine code: Generic extend has destination type no larger than source
# CHECK-NEXT: - function:    bad_generic_extends_and_truncates
# CHECK-NEXT: - basic block: %bb.6
# CHECK-NEXT: - instruction: %ze_v2i128:_(<4 x p0>) = G_ZEXT %v2i128:_(<2 x s128>)


# CHECK: Bad machine code: Generic extend/truncate can not operate on pointers
# CHECK-NEXT: - function:    bad_generic_extends_and_truncates
# CHECK-NEXT: - basic block: %bb.6
# CHECK-NEXT: - instruction: %fe_v2f128:_(p0) = G_FPEXT %v2f128:_(<2 x s128>)

# CHECK: Bad machine code: Generic extend/truncate must be all-vector or all-scalar
# CHECK-NEXT: - function:    bad_generic_extends_and_truncates
# CHECK-NEXT: - basic block: %bb.6
# CHECK-NEXT: - instruction: %fe_v2f128:_(p0) = G_FPEXT %v2f128:_(<2 x s128>)

---
name:              bad_generic_extends_and_truncates
tracksRegLiveness: true
body:              |
  bb.0:
    liveins: $rdi, $esi, $rdx, $xmm0, $ymm1, $ymm2

    %p:_(p0) = COPY $rdi
    %i32:_(s32) = COPY $esi
    %v2i32:_(<2 x s32>) = COPY $rdx
    %f32:_(s32) = COPY $xmm0
    %v2i128:_(<2 x s128>) = COPY $ymm1
    %v2f128:_(<2 x s128>) = COPY $ymm2

  bb.1:
    %t_p:_(s32) = G_TRUNC %p

  bb.2:
    %se_i32:_(<2 x s64>) = G_SEXT %i32

  bb.3:
    %ze_v2i32:_(<4 x s64>) = G_ZEXT %v2i32

  bb.4:
    %ae_i32:_(s32) = G_ANYEXT %i32

  bb.5:
    %ft_f32:_(s64) = G_FPTRUNC %f32

  bb.6:
    %ze_v2i128:_(<4 x p0>) = G_ZEXT %v2i128
    %fe_v2f128:_(p0) = G_FPEXT %v2f128
...