mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 04:02:41 +01:00
5b89989aa5
with an additional fix to make RegAllocFast ignore undef physreg uses. It would previously get confused about the "push %eax" instruction's use of eax. That method for adjusting the stack pointer is used in X86FrameLowering::emitSPUpdate as well, but since that runs after register-allocation, we didn't run into the RegAllocFast issue before. llvm-svn: 269949
66 lines
1.7 KiB
LLVM
66 lines
1.7 KiB
LLVM
; RUN: llc < %s -mtriple=i686-pc-win32 | FileCheck %s
|
|
|
|
%Foo = type { i32, i32 }
|
|
|
|
declare void @f(%Foo* inalloca %b)
|
|
|
|
define void @a() {
|
|
; CHECK-LABEL: _a:
|
|
entry:
|
|
%b = alloca inalloca %Foo
|
|
; CHECK: pushl %eax
|
|
; CHECK: pushl %eax
|
|
%f1 = getelementptr %Foo, %Foo* %b, i32 0, i32 0
|
|
%f2 = getelementptr %Foo, %Foo* %b, i32 0, i32 1
|
|
store i32 13, i32* %f1
|
|
store i32 42, i32* %f2
|
|
; CHECK: movl %esp, %eax
|
|
; CHECK: movl $13, (%eax)
|
|
; CHECK: movl $42, 4(%eax)
|
|
call void @f(%Foo* inalloca %b)
|
|
; CHECK: calll _f
|
|
ret void
|
|
}
|
|
|
|
declare void @inreg_with_inalloca(i32 inreg %a, %Foo* inalloca %b)
|
|
|
|
define void @b() {
|
|
; CHECK-LABEL: _b:
|
|
entry:
|
|
%b = alloca inalloca %Foo
|
|
; CHECK: pushl %eax
|
|
; CHECK: pushl %eax
|
|
%f1 = getelementptr %Foo, %Foo* %b, i32 0, i32 0
|
|
%f2 = getelementptr %Foo, %Foo* %b, i32 0, i32 1
|
|
store i32 13, i32* %f1
|
|
store i32 42, i32* %f2
|
|
; CHECK: movl %esp, %eax
|
|
; CHECK: movl $13, (%eax)
|
|
; CHECK: movl $42, 4(%eax)
|
|
call void @inreg_with_inalloca(i32 inreg 1, %Foo* inalloca %b)
|
|
; CHECK: movl $1, %eax
|
|
; CHECK: calll _inreg_with_inalloca
|
|
ret void
|
|
}
|
|
|
|
declare x86_thiscallcc void @thiscall_with_inalloca(i8* %a, %Foo* inalloca %b)
|
|
|
|
define void @c() {
|
|
; CHECK-LABEL: _c:
|
|
entry:
|
|
%b = alloca inalloca %Foo
|
|
; CHECK: pushl %eax
|
|
; CHECK: pushl %eax
|
|
%f1 = getelementptr %Foo, %Foo* %b, i32 0, i32 0
|
|
%f2 = getelementptr %Foo, %Foo* %b, i32 0, i32 1
|
|
store i32 13, i32* %f1
|
|
store i32 42, i32* %f2
|
|
; CHECK: movl %esp, %eax
|
|
; CHECK-DAG: movl $13, (%eax)
|
|
; CHECK-DAG: movl $42, 4(%eax)
|
|
call x86_thiscallcc void @thiscall_with_inalloca(i8* null, %Foo* inalloca %b)
|
|
; CHECK-DAG: xorl %ecx, %ecx
|
|
; CHECK: calll _thiscall_with_inalloca
|
|
ret void
|
|
}
|