diff options
| author | Rafael Espindola <rafael.espindola@gmail.com> | 2012-01-12 20:24:30 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2012-01-12 20:24:30 +0000 |
| commit | 85b9d43d4c7a4a5e6e7da651a159353a9a00e227 (patch) | |
| tree | ec70faf817ed30b6114c5e4e729423567c534e20 /test/CodeGen/X86/segmented-stacks.ll | |
| parent | e4d18de5d15c6c1d4d279788b35d0cd1ab237e82 (diff) | |
| download | external_llvm-85b9d43d4c7a4a5e6e7da651a159353a9a00e227.zip external_llvm-85b9d43d4c7a4a5e6e7da651a159353a9a00e227.tar.gz external_llvm-85b9d43d4c7a4a5e6e7da651a159353a9a00e227.tar.bz2 | |
Support segmented stacks on 64-bit FreeBSD.
This patch uses tcb_spare field in the tcb structure to store info.
Patch by Jyun-Yan You.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148041 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/segmented-stacks.ll')
| -rw-r--r-- | test/CodeGen/X86/segmented-stacks.ll | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/test/CodeGen/X86/segmented-stacks.ll b/test/CodeGen/X86/segmented-stacks.ll index 4c4c542..3650304 100644 --- a/test/CodeGen/X86/segmented-stacks.ll +++ b/test/CodeGen/X86/segmented-stacks.ll @@ -3,6 +3,7 @@ ; RUN: llc < %s -mtriple=i686-darwin -segmented-stacks -verify-machineinstrs | FileCheck %s -check-prefix=X32-Darwin ; RUN: llc < %s -mtriple=x86_64-darwin -segmented-stacks -verify-machineinstrs | FileCheck %s -check-prefix=X64-Darwin ; RUN: llc < %s -mtriple=i686-mingw32 -segmented-stacks -verify-machineinstrs | FileCheck %s -check-prefix=X32-MinGW +; RUN: llc < %s -mtriple=x86_64-freebsd -segmented-stacks -verify-machineinstrs | FileCheck %s -check-prefix=X64-FreeBSD ; We used to crash with filetype=obj ; RUN: llc < %s -mtriple=i686-linux -segmented-stacks -filetype=obj @@ -10,6 +11,7 @@ ; RUN: llc < %s -mtriple=i686-darwin -segmented-stacks -filetype=obj ; RUN: llc < %s -mtriple=x86_64-darwin -segmented-stacks -filetype=obj ; RUN: llc < %s -mtriple=i686-mingw32 -segmented-stacks -filetype=obj +; RUN: llc < %s -mtriple=x86_64-freebsd -segmented-stacks -filetype=obj ; Just to prevent the alloca from being optimized away declare void @dummy_use(i32*, i32) @@ -70,6 +72,16 @@ define void @test_basic() { ; X32-MinGW-NEXT: calll ___morestack ; X32-MinGW-NEXT: ret +; X64-FreeBSD: 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 + } define i32 @test_nested(i32 * nest %closure, i32 %other) { @@ -122,6 +134,16 @@ define i32 @test_nested(i32 * nest %closure, i32 %other) { ; X32-MinGW-NEXT: calll ___morestack ; X32-MinGW-NEXT: ret +; X64-FreeBSD: cmpq %fs:24, %rsp +; X64-FreeBSD-NEXT: ja .LBB1_2 + +; X64-FreeBSD: movq %r10, %rax +; X64-FreeBSD-NEXT: movabsq $0, %r10 +; X64-FreeBSD-NEXT: movabsq $0, %r11 +; X64-FreeBSD-NEXT: callq __morestack +; X64-FreeBSD-NEXT: ret +; X64-FreeBSD-NEXT: movq %rax, %r10 + } define void @test_large() { @@ -175,6 +197,15 @@ define void @test_large() { ; X32-MinGW-NEXT: calll ___morestack ; X32-MinGW-NEXT: ret +; 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 + } define fastcc void @test_fastcc() { @@ -233,6 +264,16 @@ define fastcc void @test_fastcc() { ; X32-MinGW-NEXT: calll ___morestack ; X32-MinGW-NEXT: ret +; X64-FreeBSD: 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 + } define fastcc void @test_fastcc_large() { @@ -296,6 +337,17 @@ define fastcc void @test_fastcc_large() { ; X32-MinGW-NEXT: calll ___morestack ; X32-MinGW-NEXT: ret +; X64-FreeBSD: 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 + } define fastcc void @test_fastcc_large_with_ecx_arg(i32 %a) { |