forked from OSchip/llvm-project
750 lines
21 KiB
LLVM
750 lines
21 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=x86_64-linux -code-model=large -verify-machineinstrs | FileCheck %s -check-prefix=X64-Linux-Large
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; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux-gnux32 -verify-machineinstrs | FileCheck %s -check-prefix=X32ABI
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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=i686-dragonfly -verify-machineinstrs | FileCheck %s -check-prefix=X32-DFlyBSD
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; RUN: llc < %s -mcpu=generic -mtriple=x86_64-dragonfly -verify-machineinstrs | FileCheck %s -check-prefix=X64-DFlyBSD
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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 -o /dev/null
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; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux -filetype=obj -o /dev/null
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; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux-gnux32 -filetype=obj -o /dev/null
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; RUN: llc < %s -mcpu=generic -mtriple=i686-darwin -filetype=obj -o /dev/null
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; RUN: llc < %s -mcpu=generic -mtriple=x86_64-darwin -filetype=obj -o /dev/null
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; RUN: llc < %s -mcpu=generic -mtriple=i686-mingw32 -filetype=obj -o /dev/null
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; RUN: llc < %s -mcpu=generic -mtriple=x86_64-freebsd -filetype=obj -o /dev/null
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; RUN: llc < %s -mcpu=generic -mtriple=i686-dragonfly -filetype=obj -o /dev/null
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; RUN: llc < %s -mcpu=generic -mtriple=x86_64-dragonfly -filetype=obj -o /dev/null
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; RUN: llc < %s -mcpu=generic -mtriple=x86_64-mingw32 -filetype=obj -o /dev/null
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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: jbe .LBB0_1
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; X32-Linux: pushl $0
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; X32-Linux-NEXT: pushl $44
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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: jbe .LBB0_1
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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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; X64-Linux-Large-LABEL: test_basic:
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; X64-Linux-Large: cmpq %fs:112, %rsp
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; X64-Linux-Large-NEXT: jbe .LBB0_1
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; X64-Linux-Large: movabsq $40, %r10
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; X64-Linux-Large-NEXT: movabsq $0, %r11
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; X64-Linux-Large-NEXT: callq *__morestack_addr(%rip)
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; X64-Linux-Large-NEXT: ret
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; X32ABI-LABEL: test_basic:
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; X32ABI: cmpl %fs:64, %esp
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; X32ABI-NEXT: jbe .LBB0_1
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; X32ABI: movl $40, %r10d
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; X32ABI-NEXT: movl $0, %r11d
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; X32ABI-NEXT: callq __morestack
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; X32ABI-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: jbe LBB0_1
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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: jbe LBB0_1
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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: jbe LBB0_1
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; X32-MinGW: pushl $0
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; X32-MinGW-NEXT: pushl $40
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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: jbe .LBB0_1
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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: jbe .LBB0_1
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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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; X32-DFlyBSD-LABEL: test_basic:
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; X32-DFlyBSD: cmpl %fs:16, %esp
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; X32-DFlyBSD-NEXT: jbe .LBB0_1
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; X32-DFlyBSD: pushl $0
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; X32-DFlyBSD-NEXT: pushl $40
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; X32-DFlyBSD-NEXT: calll __morestack
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; X32-DFlyBSD-NEXT: ret
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; X64-DFlyBSD-LABEL: test_basic:
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; X64-DFlyBSD: cmpq %fs:32, %rsp
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; X64-DFlyBSD-NEXT: jbe .LBB0_1
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; X64-DFlyBSD: movabsq $40, %r10
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; X64-DFlyBSD-NEXT: movabsq $0, %r11
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; X64-DFlyBSD-NEXT: callq __morestack
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; X64-DFlyBSD-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 , i32 * %closure
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%result = add i32 %other, %addend
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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 i32 %result
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; X32-Linux: cmpl %gs:48, %esp
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; X32-Linux-NEXT: jbe .LBB1_1
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; X32-Linux: pushl $4
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; X32-Linux-NEXT: pushl $44
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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: jbe .LBB1_1
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; X64-Linux: movq %r10, %rax
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; X64-Linux-NEXT: movabsq $56, %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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; X32ABI: cmpl %fs:64, %esp
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; X32ABI-NEXT: jbe .LBB1_1
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; X32ABI: movl %r10d, %eax
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; X32ABI-NEXT: movl $56, %r10d
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; X32ABI-NEXT: movl $0, %r11d
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; X32ABI-NEXT: callq __morestack
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; X32ABI-NEXT: ret
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; X32ABI-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: jbe LBB1_1
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; X32-Darwin: pushl $4
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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: cmpq %gs:816, %rsp
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; X64-Darwin-NEXT: jbe LBB1_1
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; X64-Darwin: movq %r10, %rax
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; X64-Darwin-NEXT: movabsq $56, %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: jbe LBB1_1
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; X32-MinGW: pushl $4
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; X32-MinGW-NEXT: pushl $44
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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: jbe .LBB1_1
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; X64-MinGW: movq %r10, %rax
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; X64-MinGW-NEXT: movabsq $88, %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: jbe .LBB1_1
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; X64-FreeBSD: movq %r10, %rax
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; X64-FreeBSD-NEXT: movabsq $56, %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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; X32-DFlyBSD: cmpl %fs:16, %esp
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; X32-DFlyBSD-NEXT: jbe .LBB1_1
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; X32-DFlyBSD: pushl $4
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; X32-DFlyBSD-NEXT: pushl $44
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; X32-DFlyBSD-NEXT: calll __morestack
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; X32-DFlyBSD-NEXT: ret
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; X64-DFlyBSD: cmpq %fs:32, %rsp
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; X64-DFlyBSD-NEXT: jbe .LBB1_1
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; X64-DFlyBSD: movq %r10, %rax
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; X64-DFlyBSD-NEXT: movabsq $56, %r10
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; X64-DFlyBSD-NEXT: movabsq $0, %r11
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; X64-DFlyBSD-NEXT: callq __morestack
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; X64-DFlyBSD-NEXT: ret
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; X64-DFlyBSD-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 3)
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ret void
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; X32-Linux-LABEL: test_large:
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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: jbe .LBB2_1
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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: jbe .LBB2_1
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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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; X32ABI: leal -40008(%rsp), %r11d
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; X32ABI-NEXT: cmpl %fs:64, %r11d
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; X32ABI-NEXT: jbe .LBB2_1
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; X32ABI: movl $40008, %r10d
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; X32ABI-NEXT: movl $0, %r11d
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; X32ABI-NEXT: callq __morestack
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; X32ABI-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: jbe LBB2_1
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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: jbe LBB2_1
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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 -40000(%esp), %ecx
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; X32-MinGW-NEXT: cmpl %fs:20, %ecx
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; X32-MinGW-NEXT: jbe LBB2_1
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; X32-MinGW: pushl $0
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; X32-MinGW-NEXT: pushl $40000
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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: jbe .LBB2_1
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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: jbe .LBB2_1
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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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; X32-DFlyBSD: leal -40000(%esp), %ecx
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; X32-DFlyBSD-NEXT: cmpl %fs:16, %ecx
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; X32-DFlyBSD-NEXT: jbe .LBB2_1
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; X32-DFlyBSD: pushl $0
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; X32-DFlyBSD-NEXT: pushl $40000
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; X32-DFlyBSD-NEXT: calll __morestack
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; X32-DFlyBSD-NEXT: ret
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; X64-DFlyBSD: leaq -40008(%rsp), %r11
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; X64-DFlyBSD-NEXT: cmpq %fs:32, %r11
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; X64-DFlyBSD-NEXT: jbe .LBB2_1
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; X64-DFlyBSD: movabsq $40008, %r10
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; X64-DFlyBSD-NEXT: movabsq $0, %r11
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; X64-DFlyBSD-NEXT: callq __morestack
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; X64-DFlyBSD-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: jbe .LBB3_1
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; X32-Linux: pushl $0
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; X32-Linux-NEXT: pushl $44
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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: jbe .LBB3_1
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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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; X32ABI-LABEL: test_fastcc:
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; X32ABI: cmpl %fs:64, %esp
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; X32ABI-NEXT: jbe .LBB3_1
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; X32ABI: movl $40, %r10d
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; X32ABI-NEXT: movl $0, %r11d
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; X32ABI-NEXT: callq __morestack
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; X32ABI-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: jbe LBB3_1
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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: jbe LBB3_1
|
|
|
|
; X64-Darwin: movabsq $40, %r10
|
|
; X64-Darwin-NEXT: movabsq $0, %r11
|
|
; X64-Darwin-NEXT: callq ___morestack
|
|
; X64-Darwin-NEXT: ret
|
|
|
|
; X32-MinGW-LABEL: test_fastcc:
|
|
|
|
; X32-MinGW: cmpl %fs:20, %esp
|
|
; X32-MinGW-NEXT: jbe LBB3_1
|
|
|
|
; X32-MinGW: pushl $0
|
|
; X32-MinGW-NEXT: pushl $40
|
|
; X32-MinGW-NEXT: calll ___morestack
|
|
; X32-MinGW-NEXT: ret
|
|
|
|
; X64-MinGW-LABEL: test_fastcc:
|
|
|
|
; X64-MinGW: cmpq %gs:40, %rsp
|
|
; X64-MinGW-NEXT: jbe .LBB3_1
|
|
|
|
; X64-MinGW: movabsq $72, %r10
|
|
; X64-MinGW-NEXT: movabsq $32, %r11
|
|
; X64-MinGW-NEXT: callq __morestack
|
|
; X64-MinGW-NEXT: retq
|
|
|
|
; X64-FreeBSD-LABEL: test_fastcc:
|
|
|
|
; X64-FreeBSD: cmpq %fs:24, %rsp
|
|
; X64-FreeBSD-NEXT: jbe .LBB3_1
|
|
|
|
; X64-FreeBSD: movabsq $40, %r10
|
|
; X64-FreeBSD-NEXT: movabsq $0, %r11
|
|
; X64-FreeBSD-NEXT: callq __morestack
|
|
; X64-FreeBSD-NEXT: ret
|
|
|
|
; X32-DFlyBSD-LABEL: test_fastcc:
|
|
|
|
; X32-DFlyBSD: cmpl %fs:16, %esp
|
|
; X32-DFlyBSD-NEXT: jbe .LBB3_1
|
|
|
|
; X32-DFlyBSD: pushl $0
|
|
; X32-DFlyBSD-NEXT: pushl $40
|
|
; X32-DFlyBSD-NEXT: calll __morestack
|
|
; X32-DFlyBSD-NEXT: ret
|
|
|
|
; X64-DFlyBSD-LABEL: test_fastcc:
|
|
|
|
; X64-DFlyBSD: cmpq %fs:32, %rsp
|
|
; X64-DFlyBSD-NEXT: jbe .LBB3_1
|
|
|
|
; X64-DFlyBSD: movabsq $40, %r10
|
|
; X64-DFlyBSD-NEXT: movabsq $0, %r11
|
|
; X64-DFlyBSD-NEXT: callq __morestack
|
|
; X64-DFlyBSD-NEXT: ret
|
|
|
|
}
|
|
|
|
define fastcc void @test_fastcc_large() #0 {
|
|
%mem = alloca i32, i32 10000
|
|
call void @dummy_use (i32* %mem, i32 3)
|
|
ret void
|
|
|
|
; X32-Linux-LABEL: test_fastcc_large:
|
|
|
|
; X32-Linux: leal -40012(%esp), %eax
|
|
; X32-Linux-NEXT: cmpl %gs:48, %eax
|
|
; X32-Linux-NEXT: jbe .LBB4_1
|
|
|
|
; X32-Linux: pushl $0
|
|
; X32-Linux-NEXT: pushl $40012
|
|
; X32-Linux-NEXT: calll __morestack
|
|
; X32-Linux-NEXT: ret
|
|
|
|
; X64-Linux-LABEL: test_fastcc_large:
|
|
|
|
; X64-Linux: leaq -40008(%rsp), %r11
|
|
; X64-Linux-NEXT: cmpq %fs:112, %r11
|
|
; X64-Linux-NEXT: jbe .LBB4_1
|
|
|
|
; X64-Linux: movabsq $40008, %r10
|
|
; X64-Linux-NEXT: movabsq $0, %r11
|
|
; X64-Linux-NEXT: callq __morestack
|
|
; X64-Linux-NEXT: ret
|
|
|
|
; X32ABI-LABEL: test_fastcc_large:
|
|
|
|
; X32ABI: leal -40008(%rsp), %r11d
|
|
; X32ABI-NEXT: cmpl %fs:64, %r11d
|
|
; X32ABI-NEXT: jbe .LBB4_1
|
|
|
|
; X32ABI: movl $40008, %r10d
|
|
; X32ABI-NEXT: movl $0, %r11d
|
|
; X32ABI-NEXT: callq __morestack
|
|
; X32ABI-NEXT: ret
|
|
|
|
; X32-Darwin-LABEL: test_fastcc_large:
|
|
|
|
; X32-Darwin: leal -40012(%esp), %eax
|
|
; X32-Darwin-NEXT: movl $432, %ecx
|
|
; X32-Darwin-NEXT: cmpl %gs:(%ecx), %eax
|
|
; X32-Darwin-NEXT: jbe LBB4_1
|
|
|
|
; X32-Darwin: pushl $0
|
|
; X32-Darwin-NEXT: pushl $40012
|
|
; X32-Darwin-NEXT: calll ___morestack
|
|
; X32-Darwin-NEXT: ret
|
|
|
|
; X64-Darwin-LABEL: test_fastcc_large:
|
|
|
|
; X64-Darwin: leaq -40008(%rsp), %r11
|
|
; X64-Darwin-NEXT: cmpq %gs:816, %r11
|
|
; X64-Darwin-NEXT: jbe LBB4_1
|
|
|
|
; X64-Darwin: movabsq $40008, %r10
|
|
; X64-Darwin-NEXT: movabsq $0, %r11
|
|
; X64-Darwin-NEXT: callq ___morestack
|
|
; X64-Darwin-NEXT: ret
|
|
|
|
; X32-MinGW-LABEL: test_fastcc_large:
|
|
|
|
; X32-MinGW: leal -40000(%esp), %eax
|
|
; X32-MinGW-NEXT: cmpl %fs:20, %eax
|
|
; X32-MinGW-NEXT: jbe LBB4_1
|
|
|
|
; X32-MinGW: pushl $0
|
|
; X32-MinGW-NEXT: pushl $40000
|
|
; X32-MinGW-NEXT: calll ___morestack
|
|
; X32-MinGW-NEXT: ret
|
|
|
|
; X64-MinGW-LABEL: test_fastcc_large:
|
|
|
|
; X64-MinGW: leaq -40040(%rsp), %r11
|
|
; X64-MinGW-NEXT: cmpq %gs:40, %r11
|
|
; X64-MinGW-NEXT: jbe .LBB4_1
|
|
|
|
; X64-MinGW: movabsq $40040, %r10
|
|
; X64-MinGW-NEXT: movabsq $32, %r11
|
|
; X64-MinGW-NEXT: callq __morestack
|
|
; X64-MinGW-NEXT: retq
|
|
|
|
; X64-FreeBSD-LABEL: test_fastcc_large:
|
|
|
|
; X64-FreeBSD: leaq -40008(%rsp), %r11
|
|
; X64-FreeBSD-NEXT: cmpq %fs:24, %r11
|
|
; X64-FreeBSD-NEXT: jbe .LBB4_1
|
|
|
|
; X64-FreeBSD: movabsq $40008, %r10
|
|
; X64-FreeBSD-NEXT: movabsq $0, %r11
|
|
; X64-FreeBSD-NEXT: callq __morestack
|
|
; X64-FreeBSD-NEXT: ret
|
|
|
|
; X32-DFlyBSD-LABEL: test_fastcc_large:
|
|
|
|
; X32-DFlyBSD: leal -40000(%esp), %eax
|
|
; X32-DFlyBSD-NEXT: cmpl %fs:16, %eax
|
|
; X32-DFlyBSD-NEXT: jbe .LBB4_1
|
|
|
|
; X32-DFlyBSD: pushl $0
|
|
; X32-DFlyBSD-NEXT: pushl $40000
|
|
; X32-DFlyBSD-NEXT: calll __morestack
|
|
; X32-DFlyBSD-NEXT: ret
|
|
|
|
; X64-DFlyBSD-LABEL: test_fastcc_large:
|
|
|
|
; X64-DFlyBSD: leaq -40008(%rsp), %r11
|
|
; X64-DFlyBSD-NEXT: cmpq %fs:32, %r11
|
|
; X64-DFlyBSD-NEXT: jbe .LBB4_1
|
|
|
|
; X64-DFlyBSD: movabsq $40008, %r10
|
|
; X64-DFlyBSD-NEXT: movabsq $0, %r11
|
|
; X64-DFlyBSD-NEXT: callq __morestack
|
|
; X64-DFlyBSD-NEXT: ret
|
|
|
|
}
|
|
|
|
define fastcc void @test_fastcc_large_with_ecx_arg(i32 %a) #0 {
|
|
%mem = alloca i32, i32 10000
|
|
call void @dummy_use (i32* %mem, i32 %a)
|
|
ret void
|
|
|
|
; This is testing that the Mac implementation preserves ecx
|
|
|
|
; X32-Darwin-LABEL: test_fastcc_large_with_ecx_arg:
|
|
|
|
; X32-Darwin: leal -40012(%esp), %eax
|
|
; X32-Darwin-NEXT: pushl %ecx
|
|
; X32-Darwin-NEXT: movl $432, %ecx
|
|
; X32-Darwin-NEXT: cmpl %gs:(%ecx), %eax
|
|
; X32-Darwin-NEXT: popl %ecx
|
|
; X32-Darwin-NEXT: jbe LBB5_1
|
|
|
|
; X32-Darwin: pushl $0
|
|
; X32-Darwin-NEXT: pushl $40012
|
|
; X32-Darwin-NEXT: calll ___morestack
|
|
; X32-Darwin-NEXT: ret
|
|
|
|
}
|
|
|
|
define void @test_nostack() #0 {
|
|
ret void
|
|
|
|
; X32-Linux-LABEL: test_nostack:
|
|
; X32-Linux-NOT: calll __morestack
|
|
|
|
; X64-Linux-LABEL: test_nostack:
|
|
; X64-Linux-NOT: callq __morestack
|
|
|
|
; X32ABI-LABEL: test_nostack:
|
|
; X32ABI-NOT: callq __morestack
|
|
|
|
; X32-Darwin-LABEL: test_nostack:
|
|
; X32-Darwin-NOT: calll __morestack
|
|
|
|
; X64-Darwin-LABEL: test_nostack:
|
|
; X64-Darwin-NOT: callq __morestack
|
|
|
|
; X32-MinGW-LABEL: test_nostack:
|
|
; X32-MinGW-NOT: calll __morestack
|
|
|
|
; X64-MinGW-LABEL: test_nostack:
|
|
; X64-MinGW-NOT: callq __morestack
|
|
|
|
; X64-FreeBSD-LABEL: test_nostack:
|
|
; X64-FreeBSD-NOT: callq __morestack
|
|
|
|
; X32-DFlyBSD-LABEL: test_nostack:
|
|
; X32-DFlyBSD-NOT: calll __morestack
|
|
|
|
; X64-DFlyBSD-LABEL: test_nostack:
|
|
; X64-DFlyBSD-NOT: callq __morestack
|
|
}
|
|
|
|
define void @test_nosplitstck() {
|
|
ret void
|
|
}
|
|
|
|
; Test to make sure that a morestack call is generated if there is a
|
|
; sibling call, even if the function in question has no stack frame
|
|
; (PR37807).
|
|
|
|
declare i32 @callee(i32)
|
|
|
|
define i32 @test_sibling_call_empty_frame(i32 %x) #0 {
|
|
%call = tail call i32 @callee(i32 %x) #0
|
|
ret i32 %call
|
|
|
|
; X32-Linux-LABEL: test_sibling_call_empty_frame:
|
|
; X32-Linux: calll __morestack
|
|
|
|
; X64-Linux-LABEL: test_sibling_call_empty_frame:
|
|
; X64-Linux: callq __morestack
|
|
|
|
; X64-Linux-Large-LABEL: test_sibling_call_empty_frame:
|
|
; X64-Linux-Large: callq *__morestack_addr(%rip)
|
|
|
|
; X32ABI-LABEL: test_sibling_call_empty_frame:
|
|
; X32ABI: callq __morestack
|
|
|
|
; X32-Darwin-LABEL: test_sibling_call_empty_frame:
|
|
; X32-Darwin: calll ___morestack
|
|
|
|
; X64-Darwin-LABEL: test_sibling_call_empty_frame:
|
|
; X64-Darwin: callq ___morestack
|
|
|
|
; X32-MinGW-LABEL: test_sibling_call_empty_frame:
|
|
; X32-MinGW: calll ___morestack
|
|
|
|
; X64-MinGW-LABEL: test_sibling_call_empty_frame:
|
|
; X64-MinGW: callq __morestack
|
|
|
|
; X64-FreeBSD-LABEL: test_sibling_call_empty_frame:
|
|
; X64-FreeBSD: callq __morestack
|
|
|
|
; X32-DFlyBSD-LABEL: test_sibling_call_empty_frame:
|
|
; X32-DFlyBSD: calll __morestack
|
|
; X32-DFlyBSD-NEXT: ret
|
|
|
|
; X64-DFlyBSD-LABEL: test_sibling_call_empty_frame:
|
|
; X64-DFlyBSD: callq __morestack
|
|
|
|
}
|
|
|
|
; Test that unused nested argument doesn't need saving/restoring.
|
|
|
|
define i32 @test_nested_unused(i32 * nest %unused) #0 {
|
|
%mem = alloca i32, i32 10
|
|
call void @dummy_use (i32* %mem, i32 10)
|
|
ret i32 123
|
|
|
|
; X64-Linux-LABEL: test_nested_unused:
|
|
; X64-Linux-NOT: movq %r10, %rax
|
|
; X64-Linux: callq __morestack
|
|
; X64-Linux-NOT: movq %rax, %r10
|
|
|
|
; X64-Darwin-LABEL: test_nested_unused:
|
|
; X64-Darwin-NOT: movq %r10, %rax
|
|
; X64-Darwin: callq ___morestack
|
|
; X64-Darwin-NOT: movq %rax, %r10
|
|
|
|
; X64-FreeBSD-LABEL: test_nested_unused:
|
|
; X64-FreeBSD-NOT: movq %r10, %rax
|
|
; X64-FreeBSD: callq __morestack
|
|
; X64-FreeBSD-NOT: movq %rax, %r10
|
|
|
|
; X64-DFlyBSD-LABEL: test_nested_unused:
|
|
; X64-DFlyBSD-NOT: movq %r10, %rax
|
|
; X64-DFlyBSD: callq __morestack
|
|
; X64-DFlyBSD-NOT: movq %rax, %r10
|
|
|
|
; X64-MinGW-LABEL: test_nested_unused:
|
|
; X64-MinGW-NOT: movq %r10, %rax
|
|
; X64-MinGW: callq __morestack
|
|
; X64-MinGW-NOT: movq %rax, %r10
|
|
|
|
; X32ABI-LABEL: test_nested_unused:
|
|
; X32ABI-NOT: movl %r10d, %eax
|
|
; X32ABI: callq __morestack
|
|
; X32ABI-NOT: movq %rax, %r10
|
|
|
|
}
|
|
|
|
attributes #0 = { "split-stack" }
|
|
|
|
; X64-Linux-Large: .rodata
|
|
; X64-Linux-Large-NEXT: __morestack_addr:
|
|
; X64-Linux-Large-NEXT: .quad __morestack
|
|
|
|
; X32-Linux: .section ".note.GNU-split-stack","",@progbits
|
|
; X32-Linux: .section ".note.GNU-no-split-stack","",@progbits
|
|
|
|
; X64-Linux: .section ".note.GNU-split-stack","",@progbits
|
|
; X64-Linux: .section ".note.GNU-no-split-stack","",@progbits
|
|
|
|
; X64-FreeBSD: .section ".note.GNU-split-stack","",@progbits
|
|
; X64-FreeBSD: .section ".note.GNU-no-split-stack","",@progbits
|
|
|
|
; X32-DFlyBSD: .section ".note.GNU-split-stack","",@progbits
|
|
; X32-DFlyBSD: .section ".note.GNU-no-split-stack","",@progbits
|
|
|
|
; X64-DFlyBSD: .section ".note.GNU-split-stack","",@progbits
|
|
; X64-DFlyBSD: .section ".note.GNU-no-split-stack","",@progbits
|