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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=x86-64 -run-pass none -o - %s | FileCheck %s
# This test ensures that the MIR parser parses and prints subregisters index
# operands correctly.
--- |
define zeroext i1 @t(i1 %c) {
entry:
ret i1 %c
}
...
---
name: t
tracksRegLiveness: true
registers:
- { id: 0, class: gr32 }
- { id: 1, class: gr8 }
body: |
bb.0.entry:
liveins: %edi, %eax
; CHECK-LABEL: name: t
; CHECK: liveins: %edi, %eax
; CHECK: [[INSERT_SUBREG:%[0-9]+]]:gr32 = INSERT_SUBREG %edi, %al, %subreg.sub_8bit
; CHECK: [[EXTRACT_SUBREG:%[0-9]+]]:gr8 = EXTRACT_SUBREG %eax, %subreg.sub_8bit_hi
; CHECK: %ax = REG_SEQUENCE [[EXTRACT_SUBREG]], %subreg.sub_8bit, [[EXTRACT_SUBREG]], %subreg.sub_8bit_hi
; CHECK: RETQ %ax
%0 = INSERT_SUBREG %edi, %al, %subreg.sub_8bit
%1 = EXTRACT_SUBREG %eax, %subreg.sub_8bit_hi
%ax = REG_SEQUENCE %1, %subreg.sub_8bit, %1, %subreg.sub_8bit_hi
RETQ %ax
...
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