[llvm] [llvm][SelectionDAG] Fix up chains in lowerInvokeable. rdar://113994760 (PR #94004)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,75 @@
+; RUN: llc %s -filetype=obj -o - | llvm-readobj -r - | FileCheck %s --check-prefix=RELOC
+; RUN: llc %s -mtriple=x86_64-apple-macosx -o - | FileCheck %s --check-prefix=ASM
+
+target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-macosx"
+
+define swiftcc void @rdar113994760() personality ptr @__gcc_personality_v0 {
+entry:
+  %swifterror = alloca swifterror ptr, align 8
+  invoke swiftcc void null(i64 0, ptr null, ptr swifterror %swifterror)
+          to label %.noexc unwind label %tsan_cleanup
+
+.noexc:                                           ; preds = %entry
+  ret void
+
+tsan_cleanup:                                     ; preds = %entry
+  %cleanup.lpad = landingpad { ptr, i32 }
+          cleanup
+  resume { ptr, i32 } zeroinitializer
+}
+
+declare i32 @__gcc_personality_v0(...)
+
+; RELOC-LABEL: Relocations [
+; RELOC-NEXT:    Section __text {
+; RELOC-NEXT:      0x18 1 2 1 X86_64_RELOC_BRANCH 0 __Unwind_Resume
+; RELOC-NEXT:    }
+; RELOC-NEXT:    Section __eh_frame {
+; RELOC-NEXT:      0x13 1 2 1 X86_64_RELOC_GOT 0 ___gcc_personality_v0
+; RELOC-NEXT:    }
+; RELOC-NEXT:  ]
+
+; ASM-LABEL: rdar113994760:
+; ASM:       ## %bb.0: ## %entry
+; ASM-NEXT:    pushq %r12
+; ASM-NEXT:    .cfi_def_cfa_offset 16
+; ASM-NEXT:    subq $16, %rsp
+; ASM-NEXT:    .cfi_def_cfa_offset 32
+; ASM-NEXT:    .cfi_offset %r12, -16
+; ASM-NEXT:  Ltmp0:
+; ASM-NEXT:    xorl %eax, %eax
+; ASM-NEXT:    xorl %edi, %edi
+; ASM-NEXT:    xorl %esi, %esi
+; ASM-NEXT:    callq *%rax
+; ASM-NEXT:  Ltmp1:
+; ASM-NEXT:  ## %bb.1: ## %.noexc
+; ASM-NEXT:    addq $16, %rsp
+; ASM-NEXT:    popq %r12
+; ASM-NEXT:    retq
+; ASM-NEXT:  LBB0_2: ## %tsan_cleanup
+; ASM-NEXT:  Ltmp2:
+; ASM-NEXT:    xorl %edi, %edi
+; ASM-NEXT:    callq __Unwind_Resume
+; ASM-NEXT:  Lfunc_end0:
+; ASM-NEXT:    .cfi_endproc
+; ASM-NEXT:    .section        __TEXT,__gcc_except_tab
+; ASM-NEXT:    .p2align        2, 0x0
+; ASM-NEXT: GCC_except_table0:
+; ASM-NEXT: Lexception0:
+; ASM-NEXT:    .byte   255                             ## @LPStart Encoding = omit
+; ASM-NEXT:    .byte   255                             ## @TType Encoding = omit
+; ASM-NEXT:    .byte   1                               ## Call site Encoding = uleb128
+; ASM-NEXT:    .uleb128 Lcst_end0-Lcst_begin0
+; ASM-NEXT: Lcst_begin0:
+; ASM-NEXT:    .uleb128 Ltmp0-Lfunc_begin0             ## >> Call Site 1 <<
+; ASM-NEXT:    .uleb128 Ltmp1-Ltmp0                    ##   Call between Ltmp0 and Ltmp1
+; ASM-NEXT:    .uleb128 Ltmp2-Lfunc_begin0             ##     jumps to Ltmp2
+; ASM-NEXT:    .byte   0                               ##   On action: cleanup
+; ASM-NEXT:    .uleb128 Ltmp1-Lfunc_begin0             ## >> Call Site 2 <<
+; ASM-NEXT:    .uleb128 Lfunc_end0-Ltmp1               ##   Call between Ltmp1 and Lfunc_end0
+; ASM-NEXT:    .byte   0                               ##     has no landing pad
+; ASM-NEXT:    .byte   0                               ##   On action: cleanup
+; ASM-NEXT: Lcst_end0:
+; ASM-NEXT:    .p2align        2, 0x0
+; ASM-NEXT:                                         ## -- End function
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arsenm wrote:

missing newline end of file 

https://github.com/llvm/llvm-project/pull/94004