41 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			41 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc -mtriple=arm64-apple-ios %s -o - | FileCheck %s
 | 
						|
 | 
						|
define swifttailcc void @foo(i8* %call) ssp {
 | 
						|
; CHECK-LABEL: foo:
 | 
						|
  %var = alloca [28 x i8], align 16
 | 
						|
  br i1 undef, label %if.then, label %if.end
 | 
						|
 | 
						|
if.then:
 | 
						|
  ret void
 | 
						|
 | 
						|
if.end:
 | 
						|
  ; CHECK: mov x[[NULL:[0-9]+]], xzr
 | 
						|
  ; CHECK: ldr [[FPTR:x[0-9]+]], [x[[NULL]]]
 | 
						|
  ; CHECK: br [[FPTR]]
 | 
						|
  call void @llvm.dbg.value(metadata i8* %call, metadata !19, metadata !DIExpression()), !dbg !21
 | 
						|
  %fptr = load void (i8*)*, void (i8*)** null, align 8
 | 
						|
  musttail call swifttailcc void %fptr(i8* null)
 | 
						|
  ret void
 | 
						|
}
 | 
						|
 | 
						|
declare i8* @pthread_getspecific()
 | 
						|
 | 
						|
; Function Attrs: nofree nosync nounwind readnone speculatable willreturn
 | 
						|
declare void @llvm.dbg.value(metadata, metadata, metadata) #1
 | 
						|
 | 
						|
!llvm.module.flags = !{!2}
 | 
						|
!llvm.dbg.cu = !{!11}
 | 
						|
 | 
						|
!2 = !{i32 2, !"Debug Info Version", i32 3}
 | 
						|
!11 = distinct !DICompileUnit(language: DW_LANG_C99, file: !12, producer: "Apple clang version 13.1.6 (clang-1316.0.17.4)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !13, splitDebugInlining: false, nameTableKind: None, sysroot: "/Library/Developer/CommandLineTools/SDKs/MacOSX12.3.sdk", sdk: "MacOSX12.3.sdk")
 | 
						|
!12 = !DIFile(filename: "tmp.c", directory: "/Users/tim/llvm-internal/llvm-project/build")
 | 
						|
!13 = !{}
 | 
						|
!14 = !{!"Apple clang version 13.1.6 (clang-1316.0.17.4)"}
 | 
						|
!15 = distinct !DISubprogram(name: "bar", scope: !12, file: !12, line: 3, type: !16, scopeLine: 3, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !11, retainedNodes: !18)
 | 
						|
!16 = !DISubroutineType(types: !17)
 | 
						|
!17 = !{null}
 | 
						|
!18 = !{!19}
 | 
						|
!19 = !DILocalVariable(name: "var", scope: !15, file: !12, line: 4, type: !20)
 | 
						|
!20 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
 | 
						|
!21 = !DILocation(line: 0, scope: !15)
 |