mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-26 07:29:55 +00:00
Also fix a small copy-paste bug in X86ISelLowering where Chain should have been used in place of DAG.getEntryToken(). Fixes PR20828. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216929 91177308-0d34-0410-b5e6-96231b3b80d8
133 lines
3.4 KiB
LLVM
133 lines
3.4 KiB
LLVM
; RUN: llc < %s -mcpu=generic -mtriple=x86_64-pc-win32 | FileCheck %s
|
|
|
|
; Verify that the var arg parameters which are passed in registers are stored
|
|
; in home stack slots allocated by the caller and that AP is correctly
|
|
; calculated.
|
|
define void @average_va(i32 %count, ...) nounwind {
|
|
entry:
|
|
; CHECK: pushq
|
|
; CHECK: movq %r9, 40(%rsp)
|
|
; CHECK: movq %r8, 32(%rsp)
|
|
; CHECK: movq %rdx, 24(%rsp)
|
|
; CHECK: leaq 24(%rsp), %rax
|
|
|
|
%ap = alloca i8*, align 8 ; <i8**> [#uses=1]
|
|
%ap1 = bitcast i8** %ap to i8* ; <i8*> [#uses=1]
|
|
call void @llvm.va_start(i8* %ap1)
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.va_start(i8*) nounwind
|
|
declare void @llvm.va_copy(i8*, i8*) nounwind
|
|
|
|
; CHECK-LABEL: f5:
|
|
; CHECK: pushq
|
|
; CHECK: leaq 56(%rsp),
|
|
define i8* @f5(i64 %a0, i64 %a1, i64 %a2, i64 %a3, i64 %a4, ...) nounwind {
|
|
entry:
|
|
%ap = alloca i8*, align 8
|
|
%ap1 = bitcast i8** %ap to i8*
|
|
call void @llvm.va_start(i8* %ap1)
|
|
ret i8* %ap1
|
|
}
|
|
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: pushq
|
|
; CHECK: leaq 48(%rsp),
|
|
define i8* @f4(i64 %a0, i64 %a1, i64 %a2, i64 %a3, ...) nounwind {
|
|
entry:
|
|
%ap = alloca i8*, align 8
|
|
%ap1 = bitcast i8** %ap to i8*
|
|
call void @llvm.va_start(i8* %ap1)
|
|
ret i8* %ap1
|
|
}
|
|
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: pushq
|
|
; CHECK: leaq 40(%rsp),
|
|
define i8* @f3(i64 %a0, i64 %a1, i64 %a2, ...) nounwind {
|
|
entry:
|
|
%ap = alloca i8*, align 8
|
|
%ap1 = bitcast i8** %ap to i8*
|
|
call void @llvm.va_start(i8* %ap1)
|
|
ret i8* %ap1
|
|
}
|
|
|
|
; WinX86_64 uses char* for va_list. Verify that the correct amount of bytes
|
|
; are copied using va_copy.
|
|
|
|
; CHECK-LABEL: copy1:
|
|
; CHECK: subq $16
|
|
; CHECK: leaq 32(%rsp), [[REG_copy1:%[a-z]+]]
|
|
; CHECK: movq [[REG_copy1]], 8(%rsp)
|
|
; CHECK: movq [[REG_copy1]], (%rsp)
|
|
; CHECK: addq $16
|
|
; CHECK: ret
|
|
define void @copy1(i64 %a0, ...) nounwind {
|
|
entry:
|
|
%ap = alloca i8*, align 8
|
|
%cp = alloca i8*, align 8
|
|
%ap1 = bitcast i8** %ap to i8*
|
|
%cp1 = bitcast i8** %cp to i8*
|
|
call void @llvm.va_start(i8* %ap1)
|
|
call void @llvm.va_copy(i8* %cp1, i8* %ap1)
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: copy4:
|
|
; CHECK: subq $16
|
|
; CHECK: leaq 56(%rsp), [[REG_copy4:%[a-z]+]]
|
|
; CHECK: movq [[REG_copy4]], 8(%rsp)
|
|
; CHECK: movq [[REG_copy4]], (%rsp)
|
|
; CHECK: addq $16
|
|
; CHECK: ret
|
|
define void @copy4(i64 %a0, i64 %a1, i64 %a2, i64 %a3, ...) nounwind {
|
|
entry:
|
|
%ap = alloca i8*, align 8
|
|
%cp = alloca i8*, align 8
|
|
%ap1 = bitcast i8** %ap to i8*
|
|
%cp1 = bitcast i8** %cp to i8*
|
|
call void @llvm.va_start(i8* %ap1)
|
|
call void @llvm.va_copy(i8* %cp1, i8* %ap1)
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: arg4:
|
|
; CHECK: pushq
|
|
; va_start:
|
|
; CHECK: leaq 48(%rsp), [[REG_arg4_1:%[a-z]+]]
|
|
; CHECK: movq [[REG_arg4_1]], (%rsp)
|
|
; va_arg:
|
|
; CHECK: leaq 52(%rsp), [[REG_arg4_2:%[a-z]+]]
|
|
; CHECK: movq [[REG_arg4_2]], (%rsp)
|
|
; CHECK: movl 48(%rsp), %eax
|
|
; CHECK: popq
|
|
; CHECK: ret
|
|
define i32 @arg4(i64 %a0, i64 %a1, i64 %a2, i64 %a3, ...) nounwind {
|
|
entry:
|
|
%ap = alloca i8*, align 8
|
|
%ap1 = bitcast i8** %ap to i8*
|
|
call void @llvm.va_start(i8* %ap1)
|
|
%tmp = va_arg i8** %ap, i32
|
|
ret i32 %tmp
|
|
}
|
|
|
|
define void @sret_arg(i32* sret %agg.result, i8* nocapture readnone %format, ...) {
|
|
entry:
|
|
%ap = alloca i8*
|
|
%ap_i8 = bitcast i8** %ap to i8*
|
|
call void @llvm.va_start(i8* %ap_i8)
|
|
%tmp = va_arg i8** %ap, i32
|
|
store i32 %tmp, i32* %agg.result
|
|
ret void
|
|
}
|
|
; CHECK-LABEL: sret_arg:
|
|
; CHECK: pushq
|
|
; CHECK-DAG: movq %r9, 40(%rsp)
|
|
; CHECK-DAG: movq %r8, 32(%rsp)
|
|
; CHECK: movl 32(%rsp), %[[tmp:[^ ]*]]
|
|
; CHECK: movl %[[tmp]], (%[[sret:[^ ]*]])
|
|
; CHECK: movq %[[sret]], %rax
|
|
; CHECK: popq
|
|
; CHECK: retq
|