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| author | Sanjoy Das <sanjoy@playingwithpointers.com> | 2011-12-03 09:21:07 +0000 |
|---|---|---|
| committer | Sanjoy Das <sanjoy@playingwithpointers.com> | 2011-12-03 09:21:07 +0000 |
| commit | 40f8222e1e6d273062e3c1234baa57db3c5705cf (patch) | |
| tree | 0172c3f2c035c64fcae57de4bf6664ba64cfb349 /test | |
| parent | 3604924799fc83da93ae4b8c1eb57ed9c9e734b5 (diff) | |
| download | llvm-40f8222e1e6d273062e3c1234baa57db3c5705cf.tar.gz llvm-40f8222e1e6d273062e3c1234baa57db3c5705cf.tar.bz2 llvm-40f8222e1e6d273062e3c1234baa57db3c5705cf.tar.xz | |
Fix a bug in the x86-32 code generated for segmented stacks.
Currently LLVM pads the call to __morestack with a add and sub of 8
bytes to esp. This isn't correct since __morestack expects the call
to be followed directly by a ret.
This commit also adjusts the relevant test-case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145765 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/segmented-stacks.ll | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/test/CodeGen/X86/segmented-stacks.ll b/test/CodeGen/X86/segmented-stacks.ll index a92aca5abb..c28c31911d 100644 --- a/test/CodeGen/X86/segmented-stacks.ll +++ b/test/CodeGen/X86/segmented-stacks.ll @@ -23,11 +23,9 @@ false: ; X32: leal -12(%esp), %ecx ; X32-NEXT: cmpl %gs:48, %ecx -; X32: subl $8, %esp -; X32-NEXT: pushl $4 +; X32: pushl $4 ; X32-NEXT: pushl $12 ; X32-NEXT: calll __morestack -; X32-NEXT: addl $8, %esp ; X32-NEXT: ret ; X32: movl %esp, %eax @@ -72,11 +70,9 @@ define i32 @test_nested(i32 * nest %closure, i32 %other) { ; X32-NEXT: cmpl %gs:48, %edx -; X32: subl $8, %esp -; X32-NEXT: pushl $4 +; X32: pushl $4 ; X32-NEXT: pushl $0 ; X32-NEXT: calll __morestack -; X32-NEXT: addl $8, %esp ; X32-NEXT: ret ; X64: leaq (%rsp), %r11 |