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; RUN: llc < %s -mtriple=i686-linux -segmented-stacks -verify-machineinstrs | FileCheck %s -check-prefix=X32
; RUN: llc < %s -mtriple=x86_64-linux -segmented-stacks -verify-machineinstrs | FileCheck %s -check-prefix=X64
; We used to crash with filetype=obj
; RUN: llc < %s -mtriple=i686-linux -segmented-stacks -filetype=obj
; RUN: llc < %s -mtriple=x86_64-linux -segmented-stacks -filetype=obj
; Just to prevent the alloca from being optimized away
declare void @dummy_use(i32*, i32)
define void @test_basic() {
%mem = alloca i32, i32 10
call void @dummy_use (i32* %mem, i32 10)
ret void
; X32: test_basic:
; X32: cmpl %gs:48, %esp
; X32-NEXT: ja .LBB0_2
; X32: pushl $0
; X32-NEXT: pushl $60
; X32-NEXT: calll __morestack
; X32-NEXT: ret
; X64: test_basic:
; X64: cmpq %fs:112, %rsp
; X64-NEXT: ja .LBB0_2
; X64: movabsq $40, %r10
; X64-NEXT: movabsq $0, %r11
; X64-NEXT: callq __morestack
; X64-NEXT: ret
}
define i32 @test_nested(i32 * nest %closure, i32 %other) {
%addend = load i32 * %closure
%result = add i32 %other, %addend
ret i32 %result
; X32: cmpl %gs:48, %esp
; X32-NEXT: ja .LBB1_2
; X32: pushl $4
; X32-NEXT: pushl $0
; X32-NEXT: calll __morestack
; X32-NEXT: ret
; X64: cmpq %fs:112, %rsp
; X64-NEXT: ja .LBB1_2
; X64: movq %r10, %rax
; X64-NEXT: movabsq $0, %r10
; X64-NEXT: movabsq $0, %r11
; X64-NEXT: callq __morestack
; X64-NEXT: ret
; X64-NEXT: movq %rax, %r10
}
define void @test_large() {
%mem = alloca i32, i32 10000
call void @dummy_use (i32* %mem, i32 0)
ret void
; X32: leal -40012(%esp), %ecx
; X32-NEXT: cmpl %gs:48, %ecx
; X32-NEXT: ja .LBB2_2
; X32: pushl $0
; X32-NEXT: pushl $40012
; X32-NEXT: calll __morestack
; X32-NEXT: ret
; X64: leaq -40008(%rsp), %r11
; X64-NEXT: cmpq %fs:112, %r11
; X64-NEXT: ja .LBB2_2
; X64: movabsq $40008, %r10
; X64-NEXT: movabsq $0, %r11
; X64-NEXT: callq __morestack
; X64-NEXT: ret
}
define fastcc void @test_fastcc() {
%mem = alloca i32, i32 10
call void @dummy_use (i32* %mem, i32 10)
ret void
; X32: test_fastcc:
; X32: cmpl %gs:48, %esp
; X32-NEXT: ja .LBB3_2
; X32: pushl $0
; X32-NEXT: pushl $60
; X32-NEXT: calll __morestack
; X32-NEXT: ret
; X64: test_fastcc:
; X64: cmpq %fs:112, %rsp
; X64-NEXT: ja .LBB3_2
; X64: movabsq $40, %r10
; X64-NEXT: movabsq $0, %r11
; X64-NEXT: callq __morestack
; X64-NEXT: ret
}
define fastcc void @test_fastcc_large() {
%mem = alloca i32, i32 10000
call void @dummy_use (i32* %mem, i32 0)
ret void
; X32: test_fastcc_large:
; X32: leal -40012(%esp), %eax
; X32-NEXT: cmpl %gs:48, %eax
; X32-NEXT: ja .LBB4_2
; X32: pushl $0
; X32-NEXT: pushl $40012
; X32-NEXT: calll __morestack
; X32-NEXT: ret
; X64: test_fastcc_large:
; X64: leaq -40008(%rsp), %r11
; X64-NEXT: cmpq %fs:112, %r11
; X64-NEXT: ja .LBB4_2
; X64: movabsq $40008, %r10
; X64-NEXT: movabsq $0, %r11
; X64-NEXT: callq __morestack
; X64-NEXT: ret
}
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