mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-06-09 23:29:52 +00:00
bc1fd917f0
This removes the -segmented-stacks command line flag in favor of a per-function "split-stack" attribute. Patch by Luqman Aden and Alex Crichton! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205997 91177308-0d34-0410-b5e6-96231b3b80d8
439 lines
12 KiB
LLVM
439 lines
12 KiB
LLVM
; RUN: llc < %s -mcpu=generic -mtriple=i686-linux -verify-machineinstrs | FileCheck %s -check-prefix=X32-Linux
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; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux -verify-machineinstrs | FileCheck %s -check-prefix=X64-Linux
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; RUN: llc < %s -mcpu=generic -mtriple=i686-darwin -verify-machineinstrs | FileCheck %s -check-prefix=X32-Darwin
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; RUN: llc < %s -mcpu=generic -mtriple=x86_64-darwin -verify-machineinstrs | FileCheck %s -check-prefix=X64-Darwin
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; RUN: llc < %s -mcpu=generic -mtriple=i686-mingw32 -verify-machineinstrs | FileCheck %s -check-prefix=X32-MinGW
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; RUN: llc < %s -mcpu=generic -mtriple=x86_64-freebsd -verify-machineinstrs | FileCheck %s -check-prefix=X64-FreeBSD
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; RUN: llc < %s -mcpu=generic -mtriple=x86_64-mingw32 -verify-machineinstrs | FileCheck %s -check-prefix=X64-MinGW
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; We used to crash with filetype=obj
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; RUN: llc < %s -mcpu=generic -mtriple=i686-linux -filetype=obj
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; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux -filetype=obj
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; RUN: llc < %s -mcpu=generic -mtriple=i686-darwin -filetype=obj
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; RUN: llc < %s -mcpu=generic -mtriple=x86_64-darwin -filetype=obj
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; RUN: llc < %s -mcpu=generic -mtriple=i686-mingw32 -filetype=obj
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; RUN: llc < %s -mcpu=generic -mtriple=x86_64-freebsd -filetype=obj
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; RUN: llc < %s -mcpu=generic -mtriple=x86_64-mingw32 -filetype=obj
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; RUN: not llc < %s -mcpu=generic -mtriple=x86_64-solaris 2> %t.log
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; RUN: FileCheck %s -input-file=%t.log -check-prefix=X64-Solaris
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; RUN: not llc < %s -mcpu=generic -mtriple=i686-freebsd 2> %t.log
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; RUN: FileCheck %s -input-file=%t.log -check-prefix=X32-FreeBSD
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; X64-Solaris: Segmented stacks not supported on this platform
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; X32-FreeBSD: Segmented stacks not supported on FreeBSD i386
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; Just to prevent the alloca from being optimized away
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declare void @dummy_use(i32*, i32)
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define void @test_basic() #0 {
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%mem = alloca i32, i32 10
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call void @dummy_use (i32* %mem, i32 10)
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ret void
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; X32-Linux-LABEL: test_basic:
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; X32-Linux: cmpl %gs:48, %esp
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; X32-Linux-NEXT: ja .LBB0_2
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; X32-Linux: pushl $0
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; X32-Linux-NEXT: pushl $60
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; X32-Linux-NEXT: calll __morestack
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; X32-Linux-NEXT: ret
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; X64-Linux-LABEL: test_basic:
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; X64-Linux: cmpq %fs:112, %rsp
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; X64-Linux-NEXT: ja .LBB0_2
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; X64-Linux: movabsq $40, %r10
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; X64-Linux-NEXT: movabsq $0, %r11
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; X64-Linux-NEXT: callq __morestack
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; X64-Linux-NEXT: ret
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; X32-Darwin-LABEL: test_basic:
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; X32-Darwin: movl $432, %ecx
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; X32-Darwin-NEXT: cmpl %gs:(%ecx), %esp
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; X32-Darwin-NEXT: ja LBB0_2
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; X32-Darwin: pushl $0
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; X32-Darwin-NEXT: pushl $60
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; X32-Darwin-NEXT: calll ___morestack
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; X32-Darwin-NEXT: ret
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; X64-Darwin-LABEL: test_basic:
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; X64-Darwin: cmpq %gs:816, %rsp
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; X64-Darwin-NEXT: ja LBB0_2
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; X64-Darwin: movabsq $40, %r10
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; X64-Darwin-NEXT: movabsq $0, %r11
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; X64-Darwin-NEXT: callq ___morestack
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; X64-Darwin-NEXT: ret
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; X32-MinGW-LABEL: test_basic:
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; X32-MinGW: cmpl %fs:20, %esp
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; X32-MinGW-NEXT: ja LBB0_2
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; X32-MinGW: pushl $0
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; X32-MinGW-NEXT: pushl $48
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; X32-MinGW-NEXT: calll ___morestack
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; X32-MinGW-NEXT: ret
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; X64-MinGW-LABEL: test_basic:
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; X64-MinGW: cmpq %gs:40, %rsp
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; X64-MinGW-NEXT: ja .LBB0_2
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; X64-MinGW: movabsq $72, %r10
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; X64-MinGW-NEXT: movabsq $32, %r11
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; X64-MinGW-NEXT: callq __morestack
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; X64-MinGW-NEXT: retq
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; X64-FreeBSD-LABEL: test_basic:
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; X64-FreeBSD: cmpq %fs:24, %rsp
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; X64-FreeBSD-NEXT: ja .LBB0_2
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; X64-FreeBSD: movabsq $40, %r10
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; X64-FreeBSD-NEXT: movabsq $0, %r11
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; X64-FreeBSD-NEXT: callq __morestack
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; X64-FreeBSD-NEXT: ret
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}
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define i32 @test_nested(i32 * nest %closure, i32 %other) #0 {
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%addend = load i32 * %closure
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%result = add i32 %other, %addend
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ret i32 %result
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; X32-Linux: cmpl %gs:48, %esp
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; X32-Linux-NEXT: ja .LBB1_2
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; X32-Linux: pushl $4
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; X32-Linux-NEXT: pushl $0
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; X32-Linux-NEXT: calll __morestack
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; X32-Linux-NEXT: ret
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; X64-Linux: cmpq %fs:112, %rsp
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; X64-Linux-NEXT: ja .LBB1_2
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; X64-Linux: movq %r10, %rax
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; X64-Linux-NEXT: movabsq $0, %r10
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; X64-Linux-NEXT: movabsq $0, %r11
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; X64-Linux-NEXT: callq __morestack
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; X64-Linux-NEXT: ret
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; X64-Linux-NEXT: movq %rax, %r10
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; X32-Darwin: movl $432, %edx
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; X32-Darwin-NEXT: cmpl %gs:(%edx), %esp
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; X32-Darwin-NEXT: ja LBB1_2
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; X32-Darwin: pushl $4
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; X32-Darwin-NEXT: pushl $0
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; X32-Darwin-NEXT: calll ___morestack
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; X32-Darwin-NEXT: ret
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; X64-Darwin: cmpq %gs:816, %rsp
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; X64-Darwin-NEXT: ja LBB1_2
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; X64-Darwin: movq %r10, %rax
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; X64-Darwin-NEXT: movabsq $0, %r10
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; X64-Darwin-NEXT: movabsq $0, %r11
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; X64-Darwin-NEXT: callq ___morestack
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; X64-Darwin-NEXT: ret
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; X64-Darwin-NEXT: movq %rax, %r10
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; X32-MinGW: cmpl %fs:20, %esp
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; X32-MinGW-NEXT: ja LBB1_2
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; X32-MinGW: pushl $4
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; X32-MinGW-NEXT: pushl $0
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; X32-MinGW-NEXT: calll ___morestack
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; X32-MinGW-NEXT: ret
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; X64-MinGW-LABEL: test_nested:
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; X64-MinGW: cmpq %gs:40, %rsp
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; X64-MinGW-NEXT: ja .LBB1_2
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; X64-MinGW: movq %r10, %rax
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; X64-MinGW-NEXT: movabsq $0, %r10
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; X64-MinGW-NEXT: movabsq $32, %r11
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; X64-MinGW-NEXT: callq __morestack
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; X64-MinGW-NEXT: retq
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; X64-MinGW-NEXT: movq %rax, %r10
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; X64-FreeBSD: cmpq %fs:24, %rsp
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; X64-FreeBSD-NEXT: ja .LBB1_2
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; X64-FreeBSD: movq %r10, %rax
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; X64-FreeBSD-NEXT: movabsq $0, %r10
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; X64-FreeBSD-NEXT: movabsq $0, %r11
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; X64-FreeBSD-NEXT: callq __morestack
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; X64-FreeBSD-NEXT: ret
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; X64-FreeBSD-NEXT: movq %rax, %r10
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}
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define void @test_large() #0 {
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%mem = alloca i32, i32 10000
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call void @dummy_use (i32* %mem, i32 0)
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ret void
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; X32-Linux: leal -40012(%esp), %ecx
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; X32-Linux-NEXT: cmpl %gs:48, %ecx
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; X32-Linux-NEXT: ja .LBB2_2
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; X32-Linux: pushl $0
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; X32-Linux-NEXT: pushl $40012
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; X32-Linux-NEXT: calll __morestack
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; X32-Linux-NEXT: ret
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; X64-Linux: leaq -40008(%rsp), %r11
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; X64-Linux-NEXT: cmpq %fs:112, %r11
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; X64-Linux-NEXT: ja .LBB2_2
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; X64-Linux: movabsq $40008, %r10
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; X64-Linux-NEXT: movabsq $0, %r11
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; X64-Linux-NEXT: callq __morestack
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; X64-Linux-NEXT: ret
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; X32-Darwin: leal -40012(%esp), %ecx
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; X32-Darwin-NEXT: movl $432, %eax
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; X32-Darwin-NEXT: cmpl %gs:(%eax), %ecx
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; X32-Darwin-NEXT: ja LBB2_2
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; X32-Darwin: pushl $0
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; X32-Darwin-NEXT: pushl $40012
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; X32-Darwin-NEXT: calll ___morestack
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; X32-Darwin-NEXT: ret
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; X64-Darwin: leaq -40008(%rsp), %r11
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; X64-Darwin-NEXT: cmpq %gs:816, %r11
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; X64-Darwin-NEXT: ja LBB2_2
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; X64-Darwin: movabsq $40008, %r10
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; X64-Darwin-NEXT: movabsq $0, %r11
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; X64-Darwin-NEXT: callq ___morestack
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; X64-Darwin-NEXT: ret
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; X32-MinGW: leal -40008(%esp), %ecx
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; X32-MinGW-NEXT: cmpl %fs:20, %ecx
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; X32-MinGW-NEXT: ja LBB2_2
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; X32-MinGW: pushl $0
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; X32-MinGW-NEXT: pushl $40008
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; X32-MinGW-NEXT: calll ___morestack
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; X32-MinGW-NEXT: ret
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; X64-MinGW-LABEL: test_large:
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; X64-MinGW: leaq -40040(%rsp), %r11
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; X64-MinGW-NEXT: cmpq %gs:40, %r11
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; X64-MinGW-NEXT: ja .LBB2_2
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; X64-MinGW: movabsq $40040, %r10
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; X64-MinGW-NEXT: movabsq $32, %r11
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; X64-MinGW-NEXT: callq __morestack
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; X64-MinGW-NEXT: retq
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; X64-FreeBSD: leaq -40008(%rsp), %r11
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; X64-FreeBSD-NEXT: cmpq %fs:24, %r11
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; X64-FreeBSD-NEXT: ja .LBB2_2
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; X64-FreeBSD: movabsq $40008, %r10
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; X64-FreeBSD-NEXT: movabsq $0, %r11
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; X64-FreeBSD-NEXT: callq __morestack
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; X64-FreeBSD-NEXT: ret
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}
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define fastcc void @test_fastcc() #0 {
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%mem = alloca i32, i32 10
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call void @dummy_use (i32* %mem, i32 10)
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ret void
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; X32-Linux-LABEL: test_fastcc:
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; X32-Linux: cmpl %gs:48, %esp
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; X32-Linux-NEXT: ja .LBB3_2
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; X32-Linux: pushl $0
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; X32-Linux-NEXT: pushl $60
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; X32-Linux-NEXT: calll __morestack
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; X32-Linux-NEXT: ret
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; X64-Linux-LABEL: test_fastcc:
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; X64-Linux: cmpq %fs:112, %rsp
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; X64-Linux-NEXT: ja .LBB3_2
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; X64-Linux: movabsq $40, %r10
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; X64-Linux-NEXT: movabsq $0, %r11
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; X64-Linux-NEXT: callq __morestack
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; X64-Linux-NEXT: ret
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; X32-Darwin-LABEL: test_fastcc:
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; X32-Darwin: movl $432, %eax
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; X32-Darwin-NEXT: cmpl %gs:(%eax), %esp
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; X32-Darwin-NEXT: ja LBB3_2
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; X32-Darwin: pushl $0
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; X32-Darwin-NEXT: pushl $60
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; X32-Darwin-NEXT: calll ___morestack
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; X32-Darwin-NEXT: ret
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; X64-Darwin-LABEL: test_fastcc:
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; X64-Darwin: cmpq %gs:816, %rsp
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; X64-Darwin-NEXT: ja LBB3_2
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; X64-Darwin: movabsq $40, %r10
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; X64-Darwin-NEXT: movabsq $0, %r11
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; X64-Darwin-NEXT: callq ___morestack
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; X64-Darwin-NEXT: ret
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; X32-MinGW-LABEL: test_fastcc:
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; X32-MinGW: cmpl %fs:20, %esp
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; X32-MinGW-NEXT: ja LBB3_2
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; X32-MinGW: pushl $0
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; X32-MinGW-NEXT: pushl $48
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; X32-MinGW-NEXT: calll ___morestack
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; X32-MinGW-NEXT: ret
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; X64-MinGW-LABEL: test_fastcc:
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; X64-MinGW: cmpq %gs:40, %rsp
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; X64-MinGW-NEXT: ja .LBB3_2
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; X64-MinGW: movabsq $72, %r10
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; X64-MinGW-NEXT: movabsq $32, %r11
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; X64-MinGW-NEXT: callq __morestack
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; X64-MinGW-NEXT: retq
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; X64-FreeBSD-LABEL: test_fastcc:
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; X64-FreeBSD: cmpq %fs:24, %rsp
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; X64-FreeBSD-NEXT: ja .LBB3_2
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; X64-FreeBSD: movabsq $40, %r10
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; X64-FreeBSD-NEXT: movabsq $0, %r11
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; X64-FreeBSD-NEXT: callq __morestack
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; X64-FreeBSD-NEXT: ret
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}
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define fastcc void @test_fastcc_large() #0 {
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%mem = alloca i32, i32 10000
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call void @dummy_use (i32* %mem, i32 0)
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ret void
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; X32-Linux-LABEL: test_fastcc_large:
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; X32-Linux: leal -40012(%esp), %eax
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; X32-Linux-NEXT: cmpl %gs:48, %eax
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; X32-Linux-NEXT: ja .LBB4_2
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; X32-Linux: pushl $0
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; X32-Linux-NEXT: pushl $40012
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; X32-Linux-NEXT: calll __morestack
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; X32-Linux-NEXT: ret
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; X64-Linux-LABEL: test_fastcc_large:
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; X64-Linux: leaq -40008(%rsp), %r11
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; X64-Linux-NEXT: cmpq %fs:112, %r11
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; X64-Linux-NEXT: ja .LBB4_2
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; X64-Linux: movabsq $40008, %r10
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; X64-Linux-NEXT: movabsq $0, %r11
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; X64-Linux-NEXT: callq __morestack
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; X64-Linux-NEXT: ret
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; X32-Darwin-LABEL: test_fastcc_large:
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; X32-Darwin: leal -40012(%esp), %eax
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; X32-Darwin-NEXT: movl $432, %ecx
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; X32-Darwin-NEXT: cmpl %gs:(%ecx), %eax
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; X32-Darwin-NEXT: ja LBB4_2
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; X32-Darwin: pushl $0
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; X32-Darwin-NEXT: pushl $40012
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; X32-Darwin-NEXT: calll ___morestack
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; X32-Darwin-NEXT: ret
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; X64-Darwin-LABEL: test_fastcc_large:
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; X64-Darwin: leaq -40008(%rsp), %r11
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; X64-Darwin-NEXT: cmpq %gs:816, %r11
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; X64-Darwin-NEXT: ja LBB4_2
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; X64-Darwin: movabsq $40008, %r10
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; X64-Darwin-NEXT: movabsq $0, %r11
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; X64-Darwin-NEXT: callq ___morestack
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; X64-Darwin-NEXT: ret
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; X32-MinGW-LABEL: test_fastcc_large:
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; X32-MinGW: leal -40008(%esp), %eax
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; X32-MinGW-NEXT: cmpl %fs:20, %eax
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; X32-MinGW-NEXT: ja LBB4_2
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; X32-MinGW: pushl $0
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; X32-MinGW-NEXT: pushl $40008
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; X32-MinGW-NEXT: calll ___morestack
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; X32-MinGW-NEXT: ret
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; X64-MinGW-LABEL: test_fastcc_large:
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; X64-MinGW: leaq -40040(%rsp), %r11
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; X64-MinGW-NEXT: cmpq %gs:40, %r11
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; X64-MinGW-NEXT: ja .LBB4_2
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; X64-MinGW: movabsq $40040, %r10
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; X64-MinGW-NEXT: movabsq $32, %r11
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; X64-MinGW-NEXT: callq __morestack
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; X64-MinGW-NEXT: retq
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; X64-FreeBSD-LABEL: test_fastcc_large:
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; X64-FreeBSD: leaq -40008(%rsp), %r11
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; X64-FreeBSD-NEXT: cmpq %fs:24, %r11
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; X64-FreeBSD-NEXT: ja .LBB4_2
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; X64-FreeBSD: movabsq $40008, %r10
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; X64-FreeBSD-NEXT: movabsq $0, %r11
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; X64-FreeBSD-NEXT: callq __morestack
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; X64-FreeBSD-NEXT: ret
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}
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define fastcc void @test_fastcc_large_with_ecx_arg(i32 %a) #0 {
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%mem = alloca i32, i32 10000
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call void @dummy_use (i32* %mem, i32 %a)
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ret void
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; This is testing that the Mac implementation preserves ecx
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; X32-Darwin-LABEL: test_fastcc_large_with_ecx_arg:
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; X32-Darwin: leal -40012(%esp), %eax
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; X32-Darwin-NEXT: pushl %ecx
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; X32-Darwin-NEXT: movl $432, %ecx
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; X32-Darwin-NEXT: cmpl %gs:(%ecx), %eax
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; X32-Darwin-NEXT: popl %ecx
|
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; X32-Darwin-NEXT: ja LBB5_2
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; X32-Darwin: pushl $0
|
|
; X32-Darwin-NEXT: pushl $40012
|
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; X32-Darwin-NEXT: calll ___morestack
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; X32-Darwin-NEXT: ret
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|
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|
}
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|
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attributes #0 = { "split-stack" }
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