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[FixupStatepoints] Precommit test for D127308. NFC

This commit is contained in:
Denis Antrushin 2022-06-09 16:35:52 +07:00
parent 14899bc43d
commit e99e821ce8
1 changed files with 45 additions and 0 deletions
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llvm/test/CodeGen/X86/statepoint-fixup-copy-prop.mir Normal file
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# RUN: not --crash llc -o - %s -run-pass fixup-statepoint-caller-saved -verify-machineinstrs 2>&1 | FileCheck %s
--- |
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-linux-gnu"
declare void @foo(i64)
define i8 addrspace(1)* @test_cp(i64 %a, i64 %b, i64 %c, i8 addrspace(1)* %p) gc "statepoint-example" {
ret i8 addrspace(1)* undef
}
...
---
name: test_cp
alignment: 16
tracksRegLiveness: true
liveins:
- { reg: '$rdi', virtual-reg: '' }
frameInfo:
body: |
bb.0:
liveins: $rax, $rdi, $rbp
; CHECK: # After Fixup Statepoint Caller Saved
; CHECK: # Machine code for function test_cp:
; CHECK: bb.0:
; CHECK: liveins: $rax, $rdi, $rbp
; CHECK: renamable $rdi = COPY killed renamable $rax
; CHECK: MOV64mr %stack.1, 1, $noreg, 0, $noreg, killed $rax :: (store (s64) into %stack.1)
; CHECK: renamable $rax = MOV64rm renamable $rdi, 1, $noreg, 16, $noreg
; CHECK: MOV64mr %stack.0, 1, $noreg, 0, $noreg, killed $rax :: (store (s64) into %stack.0)
; CHECK: STATEPOINT 0, 0, 0, @foo, 2, 0, 2, 0, 2, 1, 1, 8, %stack.0, 0, 2, 1, 1, 8, %stack.1, 0, 2, 0, 2, 1, 0, 0, <regmask $bh $bl $bp $bph $bpl $bx $ebp $ebx $hbp $hbx $rbp $rbx $r12 $r13 $r14 $r15 $r12b $r13b $r14b $r15b $r12bh $r13bh $r14bh $r15bh $r12d $r13d $r14d $r15d $r12w $r13w $r14w $r15w $r12wh and 3 more...>, implicit-def $rsp, implicit-def $ssp
; CHECK: *** Bad machine code: Using an undefined physical register ***
; CHECK: - function: test_cp
; CHECK: - basic block: %bb.0
; CHECK: - instruction: MOV64mr %stack.1, 1, $noreg, 0, $noreg, killed $rax :: (store (s64) into %stack.1)
; CHECK: - operand 5: killed $rax
; CHECK: LLVM ERROR: Found 1 machine code errors.
renamable $rdi = COPY killed renamable $rax
renamable $rax = MOV64rm renamable $rdi, 1, $noreg, 16, $noreg
renamable $rdi = STATEPOINT 0, 0, 0, @foo, 2, 0, 2, 0, 2, 1, renamable $rax, 2, 1, killed renamable $rdi(tied-def 0), 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp
$rax = COPY killed renamable $rdi
RET 0, killed $rax
...