; RUN: llc < %s -mcpu=generic -mtriple=i686-linux -verify-machineinstrs | FileCheck %s -check-prefix=X32-Linux ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux -verify-machineinstrs | FileCheck %s -check-prefix=X64-Linux ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux -code-model=large -verify-machineinstrs | FileCheck %s -check-prefix=X64-Linux-Large ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux-gnux32 -verify-machineinstrs | FileCheck %s -check-prefix=X32ABI ; RUN: llc < %s -mcpu=generic -mtriple=i686-darwin -verify-machineinstrs | FileCheck %s -check-prefix=X32-Darwin ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-darwin -verify-machineinstrs | FileCheck %s -check-prefix=X64-Darwin ; RUN: llc < %s -mcpu=generic -mtriple=i686-mingw32 -verify-machineinstrs | FileCheck %s -check-prefix=X32-MinGW ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-freebsd -verify-machineinstrs | FileCheck %s -check-prefix=X64-FreeBSD ; RUN: llc < %s -mcpu=generic -mtriple=i686-dragonfly -verify-machineinstrs | FileCheck %s -check-prefix=X32-DFlyBSD ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-dragonfly -verify-machineinstrs | FileCheck %s -check-prefix=X64-DFlyBSD ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-mingw32 -verify-machineinstrs | FileCheck %s -check-prefix=X64-MinGW ; We used to crash with filetype=obj ; RUN: llc < %s -mcpu=generic -mtriple=i686-linux -filetype=obj -o /dev/null ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux -filetype=obj -o /dev/null ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux-gnux32 -filetype=obj -o /dev/null ; RUN: llc < %s -mcpu=generic -mtriple=i686-darwin -filetype=obj -o /dev/null ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-darwin -filetype=obj -o /dev/null ; RUN: llc < %s -mcpu=generic -mtriple=i686-mingw32 -filetype=obj -o /dev/null ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-freebsd -filetype=obj -o /dev/null ; RUN: llc < %s -mcpu=generic -mtriple=i686-dragonfly -filetype=obj -o /dev/null ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-dragonfly -filetype=obj -o /dev/null ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-mingw32 -filetype=obj -o /dev/null ; RUN: not llc < %s -mcpu=generic -mtriple=x86_64-solaris 2> %t.log ; RUN: FileCheck %s -input-file=%t.log -check-prefix=X64-Solaris ; RUN: not llc < %s -mcpu=generic -mtriple=i686-freebsd 2> %t.log ; RUN: FileCheck %s -input-file=%t.log -check-prefix=X32-FreeBSD ; X64-Solaris: Segmented stacks not supported on this platform ; X32-FreeBSD: Segmented stacks not supported on FreeBSD i386 ; Just to prevent the alloca from being optimized away declare void @dummy_use(i32*, i32) define void @test_basic() #0 { %mem = alloca i32, i32 10 call void @dummy_use (i32* %mem, i32 10) ret void ; X32-Linux-LABEL: test_basic: ; X32-Linux: cmpl %gs:48, %esp ; X32-Linux-NEXT: ja .LBB0_2 ; X32-Linux: pushl $0 ; X32-Linux-NEXT: pushl $44 ; X32-Linux-NEXT: calll __morestack ; X32-Linux-NEXT: ret ; X64-Linux-LABEL: test_basic: ; X64-Linux: cmpq %fs:112, %rsp ; X64-Linux-NEXT: ja .LBB0_2 ; X64-Linux: movabsq $40, %r10 ; X64-Linux-NEXT: movabsq $0, %r11 ; X64-Linux-NEXT: callq __morestack ; X64-Linux-NEXT: ret ; X64-Linux-Large-LABEL: test_basic: ; X64-Linux-Large: cmpq %fs:112, %rsp ; X64-Linux-Large-NEXT: ja .LBB0_2 ; X64-Linux-Large: movabsq $40, %r10 ; X64-Linux-Large-NEXT: movabsq $0, %r11 ; X64-Linux-Large-NEXT: callq *__morestack_addr(%rip) ; X64-Linux-Large-NEXT: ret ; X32ABI-LABEL: test_basic: ; X32ABI: cmpl %fs:64, %esp ; X32ABI-NEXT: ja .LBB0_2 ; X32ABI: movl $40, %r10d ; X32ABI-NEXT: movl $0, %r11d ; X32ABI-NEXT: callq __morestack ; X32ABI-NEXT: ret ; X32-Darwin-LABEL: test_basic: ; X32-Darwin: movl $432, %ecx ; X32-Darwin-NEXT: cmpl %gs:(%ecx), %esp ; X32-Darwin-NEXT: ja LBB0_2 ; X32-Darwin: pushl $0 ; X32-Darwin-NEXT: pushl $60 ; X32-Darwin-NEXT: calll ___morestack ; X32-Darwin-NEXT: ret ; X64-Darwin-LABEL: test_basic: ; X64-Darwin: cmpq %gs:816, %rsp ; X64-Darwin-NEXT: ja LBB0_2 ; X64-Darwin: movabsq $40, %r10 ; X64-Darwin-NEXT: movabsq $0, %r11 ; X64-Darwin-NEXT: callq ___morestack ; X64-Darwin-NEXT: ret ; X32-MinGW-LABEL: test_basic: ; X32-MinGW: cmpl %fs:20, %esp ; X32-MinGW-NEXT: ja LBB0_2 ; X32-MinGW: pushl $0 ; X32-MinGW-NEXT: pushl $40 ; X32-MinGW-NEXT: calll ___morestack ; X32-MinGW-NEXT: ret ; X64-MinGW-LABEL: test_basic: ; X64-MinGW: cmpq %gs:40, %rsp ; X64-MinGW-NEXT: ja .LBB0_2 ; X64-MinGW: movabsq $72, %r10 ; X64-MinGW-NEXT: movabsq $32, %r11 ; X64-MinGW-NEXT: callq __morestack ; X64-MinGW-NEXT: retq ; X64-FreeBSD-LABEL: test_basic: ; X64-FreeBSD: cmpq %fs:24, %rsp ; X64-FreeBSD-NEXT: ja .LBB0_2 ; X64-FreeBSD: movabsq $40, %r10 ; X64-FreeBSD-NEXT: movabsq $0, %r11 ; X64-FreeBSD-NEXT: callq __morestack ; X64-FreeBSD-NEXT: ret ; X32-DFlyBSD-LABEL: test_basic: ; X32-DFlyBSD: cmpl %fs:16, %esp ; X32-DFlyBSD-NEXT: ja .LBB0_2 ; X32-DFlyBSD: pushl $0 ; X32-DFlyBSD-NEXT: pushl $40 ; X32-DFlyBSD-NEXT: calll __morestack ; X32-DFlyBSD-NEXT: ret ; X64-DFlyBSD-LABEL: test_basic: ; X64-DFlyBSD: cmpq %fs:32, %rsp ; X64-DFlyBSD-NEXT: ja .LBB0_2 ; X64-DFlyBSD: movabsq $40, %r10 ; X64-DFlyBSD-NEXT: movabsq $0, %r11 ; X64-DFlyBSD-NEXT: callq __morestack ; X64-DFlyBSD-NEXT: ret } define i32 @test_nested(i32 * nest %closure, i32 %other) #0 { %addend = load i32 , i32 * %closure %result = add i32 %other, %addend %mem = alloca i32, i32 10 call void @dummy_use (i32* %mem, i32 10) ret i32 %result ; X32-Linux: cmpl %gs:48, %esp ; X32-Linux-NEXT: ja .LBB1_2 ; X32-Linux: pushl $4 ; X32-Linux-NEXT: pushl $44 ; X32-Linux-NEXT: calll __morestack ; X32-Linux-NEXT: ret ; X64-Linux: cmpq %fs:112, %rsp ; X64-Linux-NEXT: ja .LBB1_2 ; X64-Linux: movq %r10, %rax ; X64-Linux-NEXT: movabsq $56, %r10 ; X64-Linux-NEXT: movabsq $0, %r11 ; X64-Linux-NEXT: callq __morestack ; X64-Linux-NEXT: ret ; X64-Linux-NEXT: movq %rax, %r10 ; X32ABI: cmpl %fs:64, %esp ; X32ABI-NEXT: ja .LBB1_2 ; X32ABI: movl %r10d, %eax ; X32ABI-NEXT: movl $56, %r10d ; X32ABI-NEXT: movl $0, %r11d ; X32ABI-NEXT: callq __morestack ; X32ABI-NEXT: ret ; X32ABI-NEXT: movq %rax, %r10 ; X32-Darwin: movl $432, %edx ; X32-Darwin-NEXT: cmpl %gs:(%edx), %esp ; X32-Darwin-NEXT: ja LBB1_2 ; X32-Darwin: pushl $4 ; X32-Darwin-NEXT: pushl $60 ; X32-Darwin-NEXT: calll ___morestack ; X32-Darwin-NEXT: ret ; X64-Darwin: cmpq %gs:816, %rsp ; X64-Darwin-NEXT: ja LBB1_2 ; X64-Darwin: movq %r10, %rax ; X64-Darwin-NEXT: movabsq $56, %r10 ; X64-Darwin-NEXT: movabsq $0, %r11 ; X64-Darwin-NEXT: callq ___morestack ; X64-Darwin-NEXT: ret ; X64-Darwin-NEXT: movq %rax, %r10 ; X32-MinGW: cmpl %fs:20, %esp ; X32-MinGW-NEXT: ja LBB1_2 ; X32-MinGW: pushl $4 ; X32-MinGW-NEXT: pushl $44 ; X32-MinGW-NEXT: calll ___morestack ; X32-MinGW-NEXT: ret ; X64-MinGW-LABEL: test_nested: ; X64-MinGW: cmpq %gs:40, %rsp ; X64-MinGW-NEXT: ja .LBB1_2 ; X64-MinGW: movq %r10, %rax ; X64-MinGW-NEXT: movabsq $88, %r10 ; X64-MinGW-NEXT: movabsq $32, %r11 ; X64-MinGW-NEXT: callq __morestack ; X64-MinGW-NEXT: retq ; X64-MinGW-NEXT: movq %rax, %r10 ; X64-FreeBSD: cmpq %fs:24, %rsp ; X64-FreeBSD-NEXT: ja .LBB1_2 ; X64-FreeBSD: movq %r10, %rax ; X64-FreeBSD-NEXT: movabsq $56, %r10 ; X64-FreeBSD-NEXT: movabsq $0, %r11 ; X64-FreeBSD-NEXT: callq __morestack ; X64-FreeBSD-NEXT: ret ; X64-FreeBSD-NEXT: movq %rax, %r10 ; X32-DFlyBSD: cmpl %fs:16, %esp ; X32-DFlyBSD-NEXT: ja .LBB1_2 ; X32-DFlyBSD: pushl $4 ; X32-DFlyBSD-NEXT: pushl $44 ; X32-DFlyBSD-NEXT: calll __morestack ; X32-DFlyBSD-NEXT: ret ; X64-DFlyBSD: cmpq %fs:32, %rsp ; X64-DFlyBSD-NEXT: ja .LBB1_2 ; X64-DFlyBSD: movq %r10, %rax ; X64-DFlyBSD-NEXT: movabsq $56, %r10 ; X64-DFlyBSD-NEXT: movabsq $0, %r11 ; X64-DFlyBSD-NEXT: callq __morestack ; X64-DFlyBSD-NEXT: ret ; X64-DFlyBSD-NEXT: movq %rax, %r10 } define void @test_large() #0 { %mem = alloca i32, i32 10000 call void @dummy_use (i32* %mem, i32 0) ret void ; X32-Linux: leal -40012(%esp), %ecx ; X32-Linux-NEXT: cmpl %gs:48, %ecx ; X32-Linux-NEXT: ja .LBB2_2 ; X32-Linux: pushl $0 ; X32-Linux-NEXT: pushl $40012 ; X32-Linux-NEXT: calll __morestack ; X32-Linux-NEXT: ret ; X64-Linux: leaq -40008(%rsp), %r11 ; X64-Linux-NEXT: cmpq %fs:112, %r11 ; X64-Linux-NEXT: ja .LBB2_2 ; X64-Linux: movabsq $40008, %r10 ; X64-Linux-NEXT: movabsq $0, %r11 ; X64-Linux-NEXT: callq __morestack ; X64-Linux-NEXT: ret ; X32ABI: leal -40008(%rsp), %r11d ; X32ABI-NEXT: cmpl %fs:64, %r11d ; X32ABI-NEXT: ja .LBB2_2 ; X32ABI: movl $40008, %r10d ; X32ABI-NEXT: movl $0, %r11d ; X32ABI-NEXT: callq __morestack ; X32ABI-NEXT: ret ; X32-Darwin: leal -40012(%esp), %ecx ; X32-Darwin-NEXT: movl $432, %eax ; X32-Darwin-NEXT: cmpl %gs:(%eax), %ecx ; X32-Darwin-NEXT: ja LBB2_2 ; X32-Darwin: pushl $0 ; X32-Darwin-NEXT: pushl $40012 ; X32-Darwin-NEXT: calll ___morestack ; X32-Darwin-NEXT: ret ; X64-Darwin: leaq -40008(%rsp), %r11 ; X64-Darwin-NEXT: cmpq %gs:816, %r11 ; X64-Darwin-NEXT: ja LBB2_2 ; X64-Darwin: movabsq $40008, %r10 ; X64-Darwin-NEXT: movabsq $0, %r11 ; X64-Darwin-NEXT: callq ___morestack ; X64-Darwin-NEXT: ret ; X32-MinGW: leal -40000(%esp), %ecx ; X32-MinGW-NEXT: cmpl %fs:20, %ecx ; X32-MinGW-NEXT: ja LBB2_2 ; X32-MinGW: pushl $0 ; X32-MinGW-NEXT: pushl $40000 ; X32-MinGW-NEXT: calll ___morestack ; X32-MinGW-NEXT: ret ; X64-MinGW-LABEL: test_large: ; X64-MinGW: leaq -40040(%rsp), %r11 ; X64-MinGW-NEXT: cmpq %gs:40, %r11 ; X64-MinGW-NEXT: ja .LBB2_2 ; X64-MinGW: movabsq $40040, %r10 ; X64-MinGW-NEXT: movabsq $32, %r11 ; X64-MinGW-NEXT: callq __morestack ; X64-MinGW-NEXT: retq ; X64-FreeBSD: leaq -40008(%rsp), %r11 ; X64-FreeBSD-NEXT: cmpq %fs:24, %r11 ; X64-FreeBSD-NEXT: ja .LBB2_2 ; X64-FreeBSD: movabsq $40008, %r10 ; X64-FreeBSD-NEXT: movabsq $0, %r11 ; X64-FreeBSD-NEXT: callq __morestack ; X64-FreeBSD-NEXT: ret ; X32-DFlyBSD: leal -40000(%esp), %ecx ; X32-DFlyBSD-NEXT: cmpl %fs:16, %ecx ; X32-DFlyBSD-NEXT: ja .LBB2_2 ; X32-DFlyBSD: pushl $0 ; X32-DFlyBSD-NEXT: pushl $40000 ; X32-DFlyBSD-NEXT: calll __morestack ; X32-DFlyBSD-NEXT: ret ; X64-DFlyBSD: leaq -40008(%rsp), %r11 ; X64-DFlyBSD-NEXT: cmpq %fs:32, %r11 ; X64-DFlyBSD-NEXT: ja .LBB2_2 ; 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() #0 { %mem = alloca i32, i32 10 call void @dummy_use (i32* %mem, i32 10) ret void ; X32-Linux-LABEL: test_fastcc: ; X32-Linux: cmpl %gs:48, %esp ; X32-Linux-NEXT: ja .LBB3_2 ; X32-Linux: pushl $0 ; X32-Linux-NEXT: pushl $44 ; X32-Linux-NEXT: calll __morestack ; X32-Linux-NEXT: ret ; X64-Linux-LABEL: test_fastcc: ; X64-Linux: cmpq %fs:112, %rsp ; X64-Linux-NEXT: ja .LBB3_2 ; X64-Linux: movabsq $40, %r10 ; X64-Linux-NEXT: movabsq $0, %r11 ; X64-Linux-NEXT: callq __morestack ; X64-Linux-NEXT: ret ; X32ABI-LABEL: test_fastcc: ; X32ABI: cmpl %fs:64, %esp ; X32ABI-NEXT: ja .LBB3_2 ; X32ABI: movl $40, %r10d ; X32ABI-NEXT: movl $0, %r11d ; X32ABI-NEXT: callq __morestack ; X32ABI-NEXT: ret ; X32-Darwin-LABEL: test_fastcc: ; X32-Darwin: movl $432, %eax ; X32-Darwin-NEXT: cmpl %gs:(%eax), %esp ; X32-Darwin-NEXT: ja LBB3_2 ; X32-Darwin: pushl $0 ; X32-Darwin-NEXT: pushl $60 ; X32-Darwin-NEXT: calll ___morestack ; X32-Darwin-NEXT: ret ; X64-Darwin-LABEL: test_fastcc: ; X64-Darwin: cmpq %gs:816, %rsp ; X64-Darwin-NEXT: ja LBB3_2 ; 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: ja LBB3_2 ; 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: ja .LBB3_2 ; 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: ja .LBB3_2 ; 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: ja .LBB3_2 ; 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: ja .LBB3_2 ; 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 0) ret void ; X32-Linux-LABEL: test_fastcc_large: ; X32-Linux: leal -40012(%esp), %eax ; X32-Linux-NEXT: cmpl %gs:48, %eax ; X32-Linux-NEXT: ja .LBB4_2 ; 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: ja .LBB4_2 ; 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: ja .LBB4_2 ; 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: ja LBB4_2 ; 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: ja LBB4_2 ; 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: ja LBB4_2 ; 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: ja .LBB4_2 ; 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: ja .LBB4_2 ; 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: ja .LBB4_2 ; 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: ja .LBB4_2 ; 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: ja LBB5_2 ; 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: ; X32-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 } attributes #0 = { "split-stack" } ; X64-Linux-Large: .rodata ; X64-Linux-Large-NEXT: __morestack_addr: ; X64-Linux-Large-NEXT: .quad __morestack