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Split segmented stacks tests into tests for static- and dynamic-size frames.

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Patch by Brian Anderson.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147959 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2012-01-11 18:51:03 +00:00
parent 25cd4ff97e
commit 7692ce9e81
2 changed files with 71 additions and 37 deletions
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64
test/CodeGen/X86/segmented-stacks-dynamic.ll Normal file
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@ -0,0 +1,64 @@
; 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
; 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 i32 @test_basic(i32 %l) {
%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: 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-NEXT: 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: 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
; X64-NEXT: subq %rax, %rdi
; X64-NEXT: cmpq %rdi, %fs:112
; X64: movq %rdi, %rsp
; X64: movq %rax, %rdi
; X64-NEXT: callq __morestack_allocate_stack_space
; X64-NEXT: movq %rax, %rdi
}

44
test/CodeGen/X86/segmented-stacks.ll
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@ -8,61 +8,31 @@
; Just to prevent the alloca from being optimized away
declare void @dummy_use(i32*, i32)
define i32 @test_basic(i32 %l) {
%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
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 $4
; X32-NEXT: pushl $12
; X32: pushl $0
; X32-NEXT: pushl $60
; X32-NEXT: calll __morestack
; X32-NEXT: ret
; X32: movl %esp, %eax
; X32-NEXT: 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: test_basic:
; X64: cmpq %fs:112, %rsp
; X64-NEXT: ja .LBB0_2
; X64: movabsq $24, %r10
; X64: movabsq $40, %r10
; X64-NEXT: movabsq $0, %r11
; X64-NEXT: callq __morestack
; X64-NEXT: ret
; X64: movq %rsp, %rdi
; X64-NEXT: subq %rax, %rdi
; X64-NEXT: cmpq %rdi, %fs:112
; X64: movq %rdi, %rsp
; X64: movq %rax, %rdi
; X64-NEXT: callq __morestack_allocate_stack_space
; X64-NEXT: movq %rax, %rdi
}
define i32 @test_nested(i32 * nest %closure, i32 %other) {