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|
# RUN: split-file %s %t
# If we force "best effort" mode, then we won't see any errors, but we won't use
# v2.
# BESTEFFORT-NOT: SEH_UnwindVersion
# BESTEFFORT-NOT: SEH_UnwindV2Start
;--- alloc_no_dealloc.mir
# RUN: not --crash llc -mtriple=x86_64-pc-windows-msvc -o - \
# RUN: %t/alloc_no_dealloc.mir -run-pass=x86-wineh-unwindv2 2>&1 | \
# RUN: FileCheck %s --check-prefix=ALLOC-NO-DEALLOC
# RUN: llc -mtriple=x86_64-pc-windows-msvc -o - %t/alloc_no_dealloc.mir \
# RUN: -run-pass=x86-wineh-unwindv2 -x86-wineh-unwindv2-force-mode=1 | \
# RUN: FileCheck %s --check-prefix=BESTEFFORT
# ALLOC-NO-DEALLOC: LLVM ERROR: Windows x64 Unwind v2 is required, but LLVM has generated incompatible code in function 'alloc_no_dealloc':
# ALLOC-NO-DEALLOC-SAME: The prolog made a stack allocation, but the epilog did not deallocate it
--- |
define dso_local void @alloc_no_dealloc() local_unnamed_addr {
entry:
ret void
}
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"winx64-eh-unwindv2", i32 2}
...
---
name: alloc_no_dealloc
body: |
bb.0.entry:
$rsp = frame-setup SUB64ri32 $rsp, 40, implicit-def dead $eflags
frame-setup SEH_StackAlloc 40
frame-setup SEH_EndPrologue
SEH_BeginEpilogue
SEH_EndEpilogue
RET64
...
;--- missed_push.mir
# RUN: not --crash llc -mtriple=x86_64-pc-windows-msvc -o - %t/missed_push.mir \
# RUN: -run-pass=x86-wineh-unwindv2 2>&1 | FileCheck %s \
# RUN: --check-prefix=MISSED-PUSH
# RUN: llc -mtriple=x86_64-pc-windows-msvc -o - %t/missed_push.mir \
# RUN: -run-pass=x86-wineh-unwindv2 -x86-wineh-unwindv2-force-mode=1 | \
# RUN: FileCheck %s --check-prefix=BESTEFFORT
# MISSED-PUSH: LLVM ERROR: Windows x64 Unwind v2 is required, but LLVM has generated incompatible code in function 'missed_push':
# MISSED-PUSH-SAME: The prolog pushed more registers than the epilog popped
--- |
define dso_local void @missed_push() local_unnamed_addr {
entry:
ret void
}
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"winx64-eh-unwindv2", i32 2}
...
---
name: missed_push
body: |
bb.0.entry:
frame-setup PUSH64r killed $rsi, implicit-def $rsp, implicit $rsp
frame-setup SEH_PushReg 60
frame-setup PUSH64r killed $rdi, implicit-def $rsp, implicit $rsp
frame-setup SEH_PushReg 55
frame-setup SEH_EndPrologue
SEH_BeginEpilogue
$rdi = frame-destroy POP64r implicit-def $rsp, implicit $rsp
SEH_EndEpilogue
RET64
...
;--- dealloc_no_alloc.mir
# RUN: not --crash llc -mtriple=x86_64-pc-windows-msvc -o - \
# RUN: %t/dealloc_no_alloc.mir -run-pass=x86-wineh-unwindv2 2>&1 | \
# RUN: FileCheck %s --check-prefix=DEALLOC-NO-ALLOC
# RUN: llc -mtriple=x86_64-pc-windows-msvc -o - %t/dealloc_no_alloc.mir \
# RUN: -run-pass=x86-wineh-unwindv2 -x86-wineh-unwindv2-force-mode=1 | \
# RUN: FileCheck %s --check-prefix=BESTEFFORT
# DEALLOC-NO-ALLOC: LLVM ERROR: Windows x64 Unwind v2 is required, but LLVM has generated incompatible code in function 'dealloc_no_alloc':
# DEALLOC-NO-ALLOC-SAME: The epilog is deallocating a stack allocation, but the prolog did not allocate one
--- |
define dso_local void @dealloc_no_alloc() local_unnamed_addr {
entry:
ret void
}
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"winx64-eh-unwindv2", i32 2}
...
---
name: dealloc_no_alloc
body: |
bb.0.entry:
frame-setup SEH_EndPrologue
SEH_BeginEpilogue
$rsp = frame-destroy ADD64ri32 $rsp, 40, implicit-def dead $eflags
SEH_EndEpilogue
RET64
...
;--- double_dealloc.mir
# RUN: not --crash llc -mtriple=x86_64-pc-windows-msvc -o - %t/double_dealloc.mir \
# RUN: -run-pass=x86-wineh-unwindv2 2>&1 | FileCheck %s \
# RUN: --check-prefix=DOUBLE-DEALLOC
# RUN: llc -mtriple=x86_64-pc-windows-msvc -o - %t/double_dealloc.mir \
# RUN: -run-pass=x86-wineh-unwindv2 -x86-wineh-unwindv2-force-mode=1 | \
# RUN: FileCheck %s --check-prefix=BESTEFFORT
# DOUBLE-DEALLOC: LLVM ERROR: Windows x64 Unwind v2 is required, but LLVM has generated incompatible code in function 'double_dealloc':
# DOUBLE-DEALLOC-SAME: The epilog is deallocating the stack allocation more than once
--- |
define dso_local void @double_dealloc() local_unnamed_addr {
entry:
ret void
}
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"winx64-eh-unwindv2", i32 2}
...
---
name: double_dealloc
body: |
bb.0.entry:
$rsp = frame-setup SUB64ri32 $rsp, 40, implicit-def dead $eflags
frame-setup SEH_StackAlloc 40
frame-setup SEH_EndPrologue
SEH_BeginEpilogue
$rsp = frame-destroy ADD64ri32 $rsp, 40, implicit-def dead $eflags
$rsp = frame-destroy ADD64ri32 $rsp, 40, implicit-def dead $eflags
SEH_EndEpilogue
RET64
...
;--- dealloc_after_epilog.mir
# RUN: not --crash llc -mtriple=x86_64-pc-windows-msvc -o - \
# RUN: %t/dealloc_after_epilog.mir -run-pass=x86-wineh-unwindv2 2>&1 | \
# RUN: FileCheck %s --check-prefix=DEALLOC-AFTER-EPILOG
# RUN: llc -mtriple=x86_64-pc-windows-msvc -o - \
# RUN: %t/dealloc_after_epilog.mir -run-pass=x86-wineh-unwindv2 \
# RUN: -x86-wineh-unwindv2-force-mode=1 | FileCheck %s \
# RUN: --check-prefix=BESTEFFORT
# DEALLOC-AFTER-EPILOG: LLVM ERROR: Windows x64 Unwind v2 is required, but LLVM has generated incompatible code in function 'dealloc_after_epilog':
# DEALLOC-AFTER-EPILOG-SAME: Unexpected mov or add instruction after the epilog
--- |
define dso_local void @dealloc_after_epilog() local_unnamed_addr {
entry:
ret void
}
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"winx64-eh-unwindv2", i32 2}
...
---
name: dealloc_after_epilog
body: |
bb.0.entry:
frame-setup SEH_EndPrologue
SEH_BeginEpilogue
SEH_EndEpilogue
$rsp = frame-destroy ADD64ri32 $rsp, 40, implicit-def dead $eflags
RET64
...
;--- pop_before_dealloc.mir
# RUN: not --crash llc -mtriple=x86_64-pc-windows-msvc -o - \
# RUN: %t/pop_before_dealloc.mir -run-pass=x86-wineh-unwindv2 2>&1 | \
# RUN: FileCheck %s --check-prefix=POP-BEFORE-DEALLOC
# RUN: llc -mtriple=x86_64-pc-windows-msvc -o - %t/pop_before_dealloc.mir \
# RUN: -run-pass=x86-wineh-unwindv2 -x86-wineh-unwindv2-force-mode=1 | \
# RUN: FileCheck %s --check-prefix=BESTEFFORT
# POP-BEFORE-DEALLOC: LLVM ERROR: Windows x64 Unwind v2 is required, but LLVM has generated incompatible code in function 'pop_before_dealloc':
# POP-BEFORE-DEALLOC-SAME: Cannot pop registers before the stack allocation has been deallocated
--- |
define dso_local void @pop_before_dealloc() local_unnamed_addr {
entry:
ret void
}
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"winx64-eh-unwindv2", i32 2}
...
---
name: pop_before_dealloc
body: |
bb.0.entry:
frame-setup PUSH64r killed $rdi, implicit-def $rsp, implicit $rsp
frame-setup SEH_PushReg 55
$rsp = frame-setup SUB64ri32 $rsp, 40, implicit-def dead $eflags
frame-setup SEH_StackAlloc 40
frame-setup SEH_EndPrologue
SEH_BeginEpilogue
$rdi = frame-destroy POP64r implicit-def $rsp, implicit $rsp
$rsp = frame-destroy ADD64ri32 $rsp, 40, implicit-def dead $eflags
SEH_EndEpilogue
RET64
...
;--- too_many_pops.mir
# RUN: not --crash llc -mtriple=x86_64-pc-windows-msvc -o - %t/too_many_pops.mir \
# RUN: -run-pass=x86-wineh-unwindv2 2>&1 | FileCheck %s \
# RUN: --check-prefix=TOO-MANY-POPS
# RUN: llc -mtriple=x86_64-pc-windows-msvc -o - %t/too_many_pops.mir \
# RUN: -run-pass=x86-wineh-unwindv2 -x86-wineh-unwindv2-force-mode=1 | \
# RUN: FileCheck %s --check-prefix=BESTEFFORT
# TOO-MANY-POPS: LLVM ERROR: Windows x64 Unwind v2 is required, but LLVM has generated incompatible code in function 'too_many_pops':
# TOO-MANY-POPS-SAME: The epilog is popping more registers than the prolog pushed
--- |
define dso_local void @too_many_pops() local_unnamed_addr {
entry:
ret void
}
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"winx64-eh-unwindv2", i32 2}
...
---
name: too_many_pops
body: |
bb.0.entry:
frame-setup PUSH64r killed $rdi, implicit-def $rsp, implicit $rsp
frame-setup SEH_PushReg 55
frame-setup SEH_EndPrologue
SEH_BeginEpilogue
$rdi = frame-destroy POP64r implicit-def $rsp, implicit $rsp
$rsi = frame-destroy POP64r implicit-def $rsp, implicit $rsp
SEH_EndEpilogue
RET64
...
;--- pop_in_wrong_order.mir
# RUN: not --crash llc -mtriple=x86_64-pc-windows-msvc -o - \
# RUN: %t/pop_in_wrong_order.mir -run-pass=x86-wineh-unwindv2 2>&1 | \
# RUN: FileCheck %s --check-prefix=POP-WRONG-ORDER
# RUN: llc -mtriple=x86_64-pc-windows-msvc -o - %t/pop_in_wrong_order.mir \
# RUN: -run-pass=x86-wineh-unwindv2 -x86-wineh-unwindv2-force-mode=1 | \
# RUN: FileCheck %s --check-prefix=BESTEFFORT
# POP-WRONG-ORDER: LLVM ERROR: Windows x64 Unwind v2 is required, but LLVM has generated incompatible code in function 'pop_in_wrong_order':
# POP-WRONG-ORDER-SAME: The epilog is popping a registers in a different order than the prolog pushed them
--- |
define dso_local void @pop_in_wrong_order() local_unnamed_addr {
entry:
ret void
}
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"winx64-eh-unwindv2", i32 2}
...
---
name: pop_in_wrong_order
body: |
bb.0.entry:
frame-setup PUSH64r killed $rdi, implicit-def $rsp, implicit $rsp
frame-setup SEH_PushReg 55
frame-setup PUSH64r killed $rsi, implicit-def $rsp, implicit $rsp
frame-setup SEH_PushReg 60
frame-setup SEH_EndPrologue
SEH_BeginEpilogue
$rdi = frame-destroy POP64r implicit-def $rsp, implicit $rsp
$rsi = frame-destroy POP64r implicit-def $rsp, implicit $rsp
SEH_EndEpilogue
RET64
...
;--- pop_after_epilog.mir
# RUN: not --crash llc -mtriple=x86_64-pc-windows-msvc -o - \
# RUN: %t/pop_after_epilog.mir -run-pass=x86-wineh-unwindv2 2>&1 | \
# RUN: FileCheck %s --check-prefix=POP-AFTER-EPILOG
# RUN: llc -mtriple=x86_64-pc-windows-msvc -o - %t/pop_after_epilog.mir \
# RUN: -run-pass=x86-wineh-unwindv2 -x86-wineh-unwindv2-force-mode=1 | \
# RUN: FileCheck %s --check-prefix=BESTEFFORT
# POP-AFTER-EPILOG: LLVM ERROR: Windows x64 Unwind v2 is required, but LLVM has generated incompatible code in function 'pop_after_epilog':
# POP-AFTER-EPILOG-SAME: Registers are being popped after the epilog
--- |
define dso_local void @pop_after_epilog() local_unnamed_addr {
entry:
ret void
}
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"winx64-eh-unwindv2", i32 2}
...
---
name: pop_after_epilog
body: |
bb.0.entry:
frame-setup SEH_EndPrologue
SEH_BeginEpilogue
SEH_EndEpilogue
$rdi = frame-destroy POP64r implicit-def $rsp, implicit $rsp
RET64
...
;--- instr_after_epilog.mir
# RUN: not --crash llc -mtriple=x86_64-pc-windows-msvc -o - \
# RUN: %t/instr_after_epilog.mir -run-pass=x86-wineh-unwindv2 2>&1 | \
# RUN: FileCheck %s --check-prefix=INSTR-AFTER-END
# RUN: llc -mtriple=x86_64-pc-windows-msvc -o - %t/instr_after_epilog.mir \
# RUN: -run-pass=x86-wineh-unwindv2 -x86-wineh-unwindv2-force-mode=1 | \
# RUN: FileCheck %s --check-prefix=BESTEFFORT
# INSTR-AFTER-END: LLVM ERROR: Windows x64 Unwind v2 is required, but LLVM has generated incompatible code in function 'instr_after_epilog':
# INSTR-AFTER-END-SAME: Unexpected instruction in or after the epilog
--- |
define dso_local void @instr_after_epilog() local_unnamed_addr {
entry:
ret void
}
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"winx64-eh-unwindv2", i32 2}
...
---
name: instr_after_epilog
body: |
bb.0.entry:
frame-setup SEH_EndPrologue
SEH_BeginEpilogue
SEH_EndEpilogue
$ecx = MOV32rr killed $eax
RET64
...
|
