| # RUN: llc -O0 -run-pass=avr-expand-pseudo %s -o - | FileCheck %s |
| |
| # This test checks the expansion of the 16-bit subtraction pseudo instruction. |
| |
| --- | |
| target triple = "avr--" |
| define void @test_subiwrdrr() { |
| entry: |
| ret void |
| } |
| ... |
| |
| --- |
| name: test_subiwrdrr |
| body: | |
| bb.0.entry: |
| liveins: $r21r20 |
| |
| ; CHECK-LABEL: test_subiwrdrr |
| |
| ; CHECK: $r20 = SUBIRdK $r20, 175, implicit-def $sreg |
| ; CHECK-NEXT: $r21 = SBCIRdK $r21, 250, implicit-def $sreg, implicit killed $sreg |
| |
| $r21r20 = SUBIWRdK $r21r20, 64175, implicit-def $sreg |
| ... |