diff options
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/AArch64/reverse-csr-restore-seq.mir | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AArch64/reverse-csr-restore-seq.mir b/llvm/test/CodeGen/AArch64/reverse-csr-restore-seq.mir index 32234fd5db2..2b168b31a51 100644 --- a/llvm/test/CodeGen/AArch64/reverse-csr-restore-seq.mir +++ b/llvm/test/CodeGen/AArch64/reverse-csr-restore-seq.mir @@ -7,6 +7,8 @@ define void @bar() nounwind { entry: unreachable } + define void @baz() nounwind { entry: unreachable } + ... --- name: foo @@ -71,3 +73,34 @@ body: | ; CHECK-NEXT: $sp = frame-destroy ADDXri $sp, 80, 0 RET_ReallyLR ... +--- +# Check that the load from the offset 0 is moved at the end even when hasFP is +# false. +name: baz +# CHECK-LABEL: name: baz +alignment: 2 +tracksRegLiveness: true +frameInfo: + adjustsStack: true + hasCalls: true +body: | + bb.0: + successors: %bb.1 + + $x0 = IMPLICIT_DEF + $x20 = IMPLICIT_DEF + $x21 = IMPLICIT_DEF + + ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp + BL @foo, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit-def $sp, implicit-def $x0 + ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp + B %bb.1 + + bb.1: + ; CHECK: $x20, $lr = frame-destroy LDPXi $sp, 2 + ; BEFORELDSTOPT-NEXT: $x21 = frame-destroy LDRXui $sp, 0 + ; BEFORELDSTOPT-NEXT: $sp = frame-destroy ADDXri $sp, 32, 0 + + ; AFTERLDSTOPT-NEXT: early-clobber $sp, $x21 = frame-destroy LDRXpost $sp, 32 + RET_ReallyLR +... |
