llvm-6502/test/CodeGen/X86/segmented-stacks-dynamic.ll
Pavel Chupin 25c57d5cfe [x32] Fix segmented stacks support
Summary:
Update segmented-stacks*.ll tests with x32 target case and make
corresponding changes to make them pass.

Test Plan: tests updated with x32 target

Reviewers: nadav, rafael, dschuff

Subscribers: llvm-commits, zinovy.nis

Differential Revision: http://reviews.llvm.org/D5245

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218247 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-22 13:11:35 +00:00

89 lines
2.3 KiB
LLVM

; RUN: llc < %s -mcpu=generic -mtriple=i686-linux -verify-machineinstrs | FileCheck %s -check-prefix=X32
; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux -verify-machineinstrs | FileCheck %s -check-prefix=X64
; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux-gnux32 -verify-machineinstrs | FileCheck %s -check-prefix=X32ABI
; RUN: llc < %s -mcpu=generic -mtriple=i686-linux -filetype=obj
; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux -filetype=obj
; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux-gnux32 -filetype=obj
; Just to prevent the alloca from being optimized away
declare void @dummy_use(i32*, i32)
define i32 @test_basic(i32 %l) #0 {
%mem = alloca i32, i32 %l
call void @dummy_use (i32* %mem, i32 %l)
%terminate = icmp eq i32 %l, 0
br i1 %terminate, label %true, label %false
true:
ret i32 0
false:
%newlen = sub i32 %l, 1
%retvalue = call i32 @test_basic(i32 %newlen)
ret i32 %retvalue
; X32-LABEL: test_basic:
; X32: cmpl %gs:48, %esp
; X32-NEXT: ja .LBB0_2
; X32: pushl $4
; X32-NEXT: pushl $12
; X32-NEXT: calll __morestack
; X32-NEXT: ret
; X32: movl %esp, %eax
; X32: subl %ecx, %eax
; X32-NEXT: cmpl %eax, %gs:48
; X32: movl %eax, %esp
; X32: subl $12, %esp
; X32-NEXT: pushl %ecx
; X32-NEXT: calll __morestack_allocate_stack_space
; X32-NEXT: addl $16, %esp
; X64-LABEL: test_basic:
; X64: cmpq %fs:112, %rsp
; X64-NEXT: ja .LBB0_2
; X64: movabsq $24, %r10
; X64-NEXT: movabsq $0, %r11
; X64-NEXT: callq __morestack
; X64-NEXT: ret
; X64: movq %rsp, %[[RDI:rdi|rax]]
; X64: subq %{{.*}}, %[[RDI]]
; X64-NEXT: cmpq %[[RDI]], %fs:112
; X64: movq %[[RDI]], %rsp
; X64: movq %{{.*}}, %rdi
; X64-NEXT: callq __morestack_allocate_stack_space
; X64: movq %rax, %rdi
; X32ABI-LABEL: test_basic:
; X32ABI: cmpl %fs:64, %esp
; X32ABI-NEXT: ja .LBB0_2
; X32ABI: movl $24, %r10d
; X32ABI-NEXT: movl $0, %r11d
; X32ABI-NEXT: callq __morestack
; X32ABI-NEXT: ret
; X32ABI: movl %esp, %[[EDI:edi|eax]]
; X32ABI: subl %{{.*}}, %[[EDI]]
; X32ABI-NEXT: cmpl %[[EDI]], %fs:64
; X32ABI: movl %[[EDI]], %esp
; X32ABI: movl %{{.*}}, %edi
; X32ABI-NEXT: callq __morestack_allocate_stack_space
; X32ABI: movl %eax, %edi
}
attributes #0 = { "split-stack" }