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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2012-01-12 20:22:08 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2012-01-12 20:22:08 +0000 |
| commit | 10745d3381c9142ea75aba2c85b41ff57c1de4c9 (patch) | |
| tree | d000954c05dda6345e46a6f197ae254ab407af3e /llvm/test | |
| parent | b04a09a515e5fc7ab06941104166c3676d12cdc2 (diff) | |
| download | bcm5719-llvm-10745d3381c9142ea75aba2c85b41ff57c1de4c9.tar.gz bcm5719-llvm-10745d3381c9142ea75aba2c85b41ff57c1de4c9.zip | |
Support segmented stacks on win32.
Uses the pvArbitrary slot of the TIB, which is reserved for applications. We
only support frames with a static size.
llvm-svn: 148040
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/X86/segmented-stacks.ll | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/segmented-stacks.ll b/llvm/test/CodeGen/X86/segmented-stacks.ll index 6e91d00ac6d..4c4c542785e 100644 --- a/llvm/test/CodeGen/X86/segmented-stacks.ll +++ b/llvm/test/CodeGen/X86/segmented-stacks.ll @@ -2,12 +2,14 @@ ; RUN: llc < %s -mtriple=x86_64-linux -segmented-stacks -verify-machineinstrs | FileCheck %s -check-prefix=X64-Linux ; 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 ; 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 ; 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 ; Just to prevent the alloca from being optimized away declare void @dummy_use(i32*, i32) @@ -58,6 +60,16 @@ define void @test_basic() { ; X64-Darwin-NEXT: callq ___morestack ; X64-Darwin-NEXT: ret +; X32-MinGW: test_basic: + +; X32-MinGW: cmpl %fs:20, %esp +; X32-MinGW-NEXT: ja LBB0_2 + +; X32-MinGW: pushl $0 +; X32-MinGW-NEXT: pushl $48 +; X32-MinGW-NEXT: calll ___morestack +; X32-MinGW-NEXT: ret + } define i32 @test_nested(i32 * nest %closure, i32 %other) { @@ -102,6 +114,14 @@ define i32 @test_nested(i32 * nest %closure, i32 %other) { ; X64-Darwin-NEXT: ret ; X64-Darwin-NEXT: movq %rax, %r10 +; X32-MinGW: cmpl %fs:20, %esp +; X32-MinGW-NEXT: ja LBB1_2 + +; X32-MinGW: pushl $4 +; X32-MinGW-NEXT: pushl $0 +; X32-MinGW-NEXT: calll ___morestack +; X32-MinGW-NEXT: ret + } define void @test_large() { @@ -146,6 +166,15 @@ define void @test_large() { ; X64-Darwin-NEXT: callq ___morestack ; X64-Darwin-NEXT: ret +; X32-MinGW: leal -40008(%esp), %ecx +; X32-MinGW-NEXT: cmpl %fs:20, %ecx +; X32-MinGW-NEXT: ja LBB2_2 + +; X32-MinGW: pushl $0 +; X32-MinGW-NEXT: pushl $40008 +; X32-MinGW-NEXT: calll ___morestack +; X32-MinGW-NEXT: ret + } define fastcc void @test_fastcc() { @@ -194,6 +223,16 @@ define fastcc void @test_fastcc() { ; X64-Darwin-NEXT: callq ___morestack ; X64-Darwin-NEXT: ret +; X32-MinGW: test_fastcc: + +; X32-MinGW: cmpl %fs:20, %esp +; X32-MinGW-NEXT: ja LBB3_2 + +; X32-MinGW: pushl $0 +; X32-MinGW-NEXT: pushl $48 +; X32-MinGW-NEXT: calll ___morestack +; X32-MinGW-NEXT: ret + } define fastcc void @test_fastcc_large() { @@ -246,6 +285,17 @@ define fastcc void @test_fastcc_large() { ; X64-Darwin-NEXT: callq ___morestack ; X64-Darwin-NEXT: ret +; X32-MinGW: test_fastcc_large: + +; X32-MinGW: leal -40008(%esp), %eax +; X32-MinGW-NEXT: cmpl %fs:20, %eax +; X32-MinGW-NEXT: ja LBB4_2 + +; X32-MinGW: pushl $0 +; X32-MinGW-NEXT: pushl $40008 +; X32-MinGW-NEXT: calll ___morestack +; X32-MinGW-NEXT: ret + } define fastcc void @test_fastcc_large_with_ecx_arg(i32 %a) { |
