1 ; RUN: llc < %s -mtriple=i686-linux -segmented-stacks -verify-machineinstrs | FileCheck %s -check-prefix=X32
2 ; RUN: llc < %s -mtriple=x86_64-linux -segmented-stacks -verify-machineinstrs | FileCheck %s -check-prefix=X64
4 ; We used to crash with filetype=obj
5 ; RUN: llc < %s -mtriple=i686-linux -segmented-stacks -filetype=obj
6 ; RUN: llc < %s -mtriple=x86_64-linux -segmented-stacks -filetype=obj
8 ; Just to prevent the alloca from being optimized away
9 declare void @dummy_use(i32*, i32)
11 define void @test_basic() {
12 %mem = alloca i32, i32 10
13 call void @dummy_use (i32* %mem, i32 10)
18 ; X32: cmpl %gs:48, %esp
19 ; X32-NEXT: ja .LBB0_2
23 ; X32-NEXT: calll __morestack
28 ; X64: cmpq %fs:112, %rsp
29 ; X64-NEXT: ja .LBB0_2
31 ; X64: movabsq $40, %r10
32 ; X64-NEXT: movabsq $0, %r11
33 ; X64-NEXT: callq __morestack
38 define i32 @test_nested(i32 * nest %closure, i32 %other) {
39 %addend = load i32 * %closure
40 %result = add i32 %other, %addend
43 ; X32: cmpl %gs:48, %esp
44 ; X32-NEXT: ja .LBB1_2
48 ; X32-NEXT: calll __morestack
51 ; X64: cmpq %fs:112, %rsp
52 ; X64-NEXT: ja .LBB1_2
54 ; X64: movq %r10, %rax
55 ; X64-NEXT: movabsq $0, %r10
56 ; X64-NEXT: movabsq $0, %r11
57 ; X64-NEXT: callq __morestack
59 ; X64-NEXT: movq %rax, %r10
63 define void @test_large() {
64 %mem = alloca i32, i32 10000
65 call void @dummy_use (i32* %mem, i32 0)
68 ; X32: leal -40012(%esp), %ecx
69 ; X32-NEXT: cmpl %gs:48, %ecx
70 ; X32-NEXT: ja .LBB2_2
73 ; X32-NEXT: pushl $40012
74 ; X32-NEXT: calll __morestack
77 ; X64: leaq -40008(%rsp), %r11
78 ; X64-NEXT: cmpq %fs:112, %r11
79 ; X64-NEXT: ja .LBB2_2
81 ; X64: movabsq $40008, %r10
82 ; X64-NEXT: movabsq $0, %r11
83 ; X64-NEXT: callq __morestack
88 define fastcc void @test_fastcc() {
89 %mem = alloca i32, i32 10
90 call void @dummy_use (i32* %mem, i32 10)
95 ; X32: cmpl %gs:48, %esp
96 ; X32-NEXT: ja .LBB3_2
100 ; X32-NEXT: calll __morestack
105 ; X64: cmpq %fs:112, %rsp
106 ; X64-NEXT: ja .LBB3_2
108 ; X64: movabsq $40, %r10
109 ; X64-NEXT: movabsq $0, %r11
110 ; X64-NEXT: callq __morestack
115 define fastcc void @test_fastcc_large() {
116 %mem = alloca i32, i32 10000
117 call void @dummy_use (i32* %mem, i32 0)
120 ; X32: test_fastcc_large:
122 ; X32: leal -40012(%esp), %eax
123 ; X32-NEXT: cmpl %gs:48, %eax
124 ; X32-NEXT: ja .LBB4_2
127 ; X32-NEXT: pushl $40012
128 ; X32-NEXT: calll __morestack
131 ; X64: test_fastcc_large:
133 ; X64: leaq -40008(%rsp), %r11
134 ; X64-NEXT: cmpq %fs:112, %r11
135 ; X64-NEXT: ja .LBB4_2
137 ; X64: movabsq $40008, %r10
138 ; X64-NEXT: movabsq $0, %r11
139 ; X64-NEXT: callq __morestack