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[win] Merge the x64 and AArch64 wineh-reuse-catch-alloca.ll tests #149178

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Merged
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Jul 21, 2025
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[win] Merge the x64 and AArch64 wineh-reuse-catch-alloca.ll tests #149178

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100 changes: 0 additions & 100 deletions llvm/test/CodeGen/AArch64/wineh-reuse-catch-alloca.ll
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34 changes: 22 additions & 12 deletions llvm/test/CodeGen/WinEH/wineh-reuse-catch-alloca.ll
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
; RUN: llc %s --mtriple=x86_64-pc-windows-msvc -o - | FileCheck %s
; RUN: llc %s --mtriple=x86_64-pc-windows-msvc -o - | FileCheck %s --check-prefixes=CHECK,X64
; RUN: %if aarch64-registered-target %{ llc %s --mtriple=aarch64-pc-windows-msvc -o - | FileCheck %s --check-prefixes=CHECK,ARM64 %}

; Tests the fixed object layouts when two catchpads re-use the same stack
; allocation for this catch objects.
Expand All @@ -18,27 +19,36 @@
; }
; ```

; Minimum stack alloc is 64 bytes, so no change there.
; CHECK-LABEL: calls_boom:
; CHECK: subq $64, %rsp
; CHECK: .seh_stackalloc 64
; Minimum stack alloc is 64 bytes, so no change there.
; X64: subq $64, %rsp
; X64: .seh_stackalloc 64
; Only need 48 bytes on the stack, not 64.
; ARM64: sub sp, sp, #48
; ARM64: .seh_stackalloc 48

; Both the catch blocks load from the same address.
; CHECK-LABEL: "?catch$3@?0?calls_boom@4HA":
; CHECK: movq -8(%rbp), %rax
; X64: movq -8(%rbp), %rax
; ARM64: ldr x8, [x29, #24]
; CHECK-LABEL: "?catch$4@?0?calls_boom@4HA":
; CHECK: movq -8(%rbp), %rax
; X64: movq -8(%rbp), %rax
; ARM64: ldr x8, [x29, #24]

; There's enough space for the UnwindHelp to be at 48 instead of 40
; CHECK-LABEL: $cppxdata$calls_boom:
; CHECK: .long 48 # UnwindHelp
; There's enough space for the UnwindHelp to be at 48 instead of 40
; X64: .long 48 # UnwindHelp
; There's enough space for the UnwindHelp to be at -16 instead of -32
; ARM64: .word -16 // UnwindHelp

; Both catches have the same object offset.
; CHECK-LABEL: $handlerMap$0$calls_boom:
; CHECK: .long 56 # CatchObjOffset
; CHECK-NEXT: .long "?catch$3@?0?calls_boom@4HA"@IMGREL # Handler
; CHECK: .long 56 # CatchObjOffset
; CHECK-NEXT: .long "?catch$4@?0?calls_boom@4HA"@IMGREL # Handler
; X64: .long 56 # CatchObjOffset
; ARM64: .word -8 // CatchObjOffset
; CHECK-NEXT: "?catch$3@?0?calls_boom@4HA"@IMGREL
; X64: .long 56 # CatchObjOffset
; ARM64: .word -8 // CatchObjOffset
; CHECK-NEXT: "?catch$4@?0?calls_boom@4HA"@IMGREL

%rtti.TypeDescriptor2 = type { ptr, ptr, [3 x i8] }

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