| # RUN: llc -O0 %s -o - | FileCheck %s |
| |
| # This test checks the expansion of the 16-bit LDWRdPtr pseudo instruction. |
| |
| --- | |
| target triple = "avr--" |
| define void @test_ldwrdptr() { |
| entry: |
| ret void |
| } |
| ... |
| |
| --- |
| name: test_ldwrdptr |
| tracksRegLiveness: true |
| body: | |
| bb.0.entry: |
| liveins: $r31r30 |
| |
| ; CHECK-LABEL: test_ldwrdptr |
| |
| ; CHECK: ld [[SCRATCH:r[0-9]+]], Z |
| ; CHECK-NEXT: push [[SCRATCH]] |
| ; CHECK-NEXT: ldd [[SCRATCH]], Z+1 |
| ; CHECK-NEXT: mov r31, [[SCRATCH]] |
| ; CHECK-NEXT: pop r30 |
| |
| early-clobber $r31r30 = LDWRdPtr undef $r31r30 |
| ... |
| |
