diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/AArch64/falkor-hwpf-fix.mir | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/falkor-hwpf-fix.mir b/test/CodeGen/AArch64/falkor-hwpf-fix.mir index 38622ae0e49..28b19f87768 100644 --- a/test/CodeGen/AArch64/falkor-hwpf-fix.mir +++ b/test/CodeGen/AArch64/falkor-hwpf-fix.mir @@ -353,3 +353,28 @@ body: | bb.1: RET_ReallyLR ... +--- +# Check that non-base registers are considered live when finding a +# scratch register by making sure we don't use %x2 for the scratch +# register for the inserted ORRXrs. +# CHECK-LABEL: name: hwpf_offreg +# CHECK: %x3 = ORRXrs %xzr, %x1, 0 +# CHECK: %w10 = LDRWroX %x3, %x2, 0, 0 +name: hwpf_offreg +tracksRegLiveness: true +body: | + bb.0: + liveins: %w0, %x1, %x2, %x17, %x18 + + %w10 = LDRWroX %x1, %x2, 0, 0 :: ("aarch64-strided-access" load 4) + + %x2 = ORRXrs %xzr, %x10, 0 + %w26 = LDRWroX %x1, %x2, 0, 0 + + %w0 = SUBWri %w0, 1, 0 + %wzr = SUBSWri %w0, 0, 0, implicit-def %nzcv + Bcc 9, %bb.0, implicit %nzcv + + bb.1: + RET_ReallyLR +... |