maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity
llvm-project/llvm/test/CodeGen/X86/win64_sibcall.ll

39 lines
1.2 KiB
LLVM
Raw Normal View History

findDeadCallerSavedReg needs to pay attention to calling convention Caller saved regs differ between SysV and Win64. Use the tail call available set to scavenge from. Refactor register info to create new helper to get at tail call GPRs. Added a new test case for windows. Fixed up a number of X64 tests since now RCX is preferred over RDX on SysV. Differential Revision: http://reviews.llvm.org/D14878 llvm-svn: 253927
2015-11-24 06:17:44 +08:00
; RUN: llc < %s -mtriple=x86_64-pc-win32-coreclr | FileCheck %s -check-prefix=WIN_X64
; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck %s -check-prefix=LINUX
%Object = type <{ [0 x i64*]* }>
define void @C1(%Object addrspace(1)* %param0) gc "coreclr" {
entry:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; WIN_X64: # %bb.0:
findDeadCallerSavedReg needs to pay attention to calling convention Caller saved regs differ between SysV and Win64. Use the tail call available set to scavenge from. Refactor register info to create new helper to get at tail call GPRs. Added a new test case for windows. Fixed up a number of X64 tests since now RCX is preferred over RDX on SysV. Differential Revision: http://reviews.llvm.org/D14878 llvm-svn: 253927
2015-11-24 06:17:44 +08:00
; WIN_X64: pushq %rax
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; LINUX: # %bb.0: # %entry
findDeadCallerSavedReg needs to pay attention to calling convention Caller saved regs differ between SysV and Win64. Use the tail call available set to scavenge from. Refactor register info to create new helper to get at tail call GPRs. Added a new test case for windows. Fixed up a number of X64 tests since now RCX is preferred over RDX on SysV. Differential Revision: http://reviews.llvm.org/D14878 llvm-svn: 253927
2015-11-24 06:17:44 +08:00
; LINUX: movq $0, -8(%rsp)
%this = alloca %Object addrspace(1)*
Elide stores which are overwritten without being observed. Summary: In SelectionDAG, when a store is immediately chained to another store to the same address, elide the first store as it has no observable effects. This is causes small improvements dealing with intrinsics lowered to stores. Test notes: * Many testcases overwrite store addresses multiple times and needed minor changes, mainly making stores volatile to prevent the optimization from optimizing the test away. * Many X86 test cases optimized out instructions associated with associated with va_start. * Note that test_splat in CodeGen/AArch64/misched-stp.ll no longer has dependencies to check and can probably be removed and potentially replaced with another test. Reviewers: rnk, john.brawn Subscribers: aemerson, rengolin, qcolombet, jyknight, nemanjai, nhaehnle, javed.absar, llvm-commits Differential Revision: https://reviews.llvm.org/D33206 llvm-svn: 303198
2017-05-17 03:43:56 +08:00
store volatile %Object addrspace(1)* null, %Object addrspace(1)** %this
store volatile %Object addrspace(1)* %param0, %Object addrspace(1)** %this
findDeadCallerSavedReg needs to pay attention to calling convention Caller saved regs differ between SysV and Win64. Use the tail call available set to scavenge from. Refactor register info to create new helper to get at tail call GPRs. Added a new test case for windows. Fixed up a number of X64 tests since now RCX is preferred over RDX on SysV. Differential Revision: http://reviews.llvm.org/D14878 llvm-svn: 253927
2015-11-24 06:17:44 +08:00
br label %0
; <label>:0 ; preds = %entry
%1 = load %Object addrspace(1)*, %Object addrspace(1)** %this, align 8
; WIN_X64: xorl %r8d, %r8d
; WIN_X64: popq %rax
Win64: Don't use REX prefix for direct tail calls The REX prefix should be used on indirect jmps, but not direct ones. For direct jumps, the unwinder looks at the offset to determine if it's inside the current function. Differential Revision: https://reviews.llvm.org/D24359 llvm-svn: 281003
2016-09-09 07:35:10 +08:00
; WIN_X64: jmp C2 # TAILCALL
findDeadCallerSavedReg needs to pay attention to calling convention Caller saved regs differ between SysV and Win64. Use the tail call available set to scavenge from. Refactor register info to create new helper to get at tail call GPRs. Added a new test case for windows. Fixed up a number of X64 tests since now RCX is preferred over RDX on SysV. Differential Revision: http://reviews.llvm.org/D14878 llvm-svn: 253927
2015-11-24 06:17:44 +08:00
; LINUX: xorl %edx, %edx
; LINUX: jmp C2 # TAILCALL
tail call void @C2(%Object addrspace(1)* %1, i32 0, %Object addrspace(1)* null)
ret void
}
declare void @C2(%Object addrspace(1)*, i32, %Object addrspace(1)*)
; Function Attrs: nounwind
declare void @llvm.localescape(...) #0
attributes #0 = { nounwind }