mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-22 07:32:48 +00:00
efc8740647
These changes are based on commit responses for r179135. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179315 91177308-0d34-0410-b5e6-96231b3b80d8
64 lines
1.5 KiB
LLVM
64 lines
1.5 KiB
LLVM
; RUN: llc -march=mipsel < %s | FileCheck %s
|
|
|
|
; Simple memory
|
|
@g1 = external global i32
|
|
|
|
define i32 @f1(i32 %x) nounwind {
|
|
entry:
|
|
; CHECK: addiu $[[T0:[0-9]+]], $sp
|
|
; CHECK: #APP
|
|
; CHECK: sw $4, 0($[[T0]])
|
|
; CHECK: #NO_APP
|
|
; CHECK: #APP
|
|
; CHECK: lw $[[T3:[0-9]+]], 0($[[T0]])
|
|
; CHECK: #NO_APP
|
|
; CHECK: lw $[[T1:[0-9]+]], %got(g1)
|
|
; CHECK: sw $[[T3]], 0($[[T1]])
|
|
|
|
%l1 = alloca i32, align 4
|
|
call void asm "sw $1, $0", "=*m,r"(i32* %l1, i32 %x) nounwind
|
|
%0 = call i32 asm "lw $0, $1", "=r,*m"(i32* %l1) nounwind
|
|
store i32 %0, i32* @g1, align 4
|
|
ret i32 %0
|
|
}
|
|
|
|
; "D": Second word of double word. This works for any memory element
|
|
; double or single.
|
|
; CHECK: #APP
|
|
; CHECK-NEXT: lw ${{[0-9]+}},4(${{[0-9]+}});
|
|
; CHECK-NEXT: #NO_APP
|
|
|
|
; No "D": First word of double word. This works for any memory element
|
|
; double or single.
|
|
; CHECK: #APP
|
|
; CHECK-NEXT: lw ${{[0-9]+}},0(${{[0-9]+}});
|
|
; CHECK-NEXT: #NO_APP
|
|
|
|
;int b[8] = {0,1,2,3,4,5,6,7};
|
|
;int main()
|
|
;{
|
|
; int i;
|
|
;
|
|
; // The first word. Notice, no 'D'
|
|
; { asm (
|
|
; "lw %0,%1;\n"
|
|
; : "=r" (i) : "m" (*(b+4)));}
|
|
;
|
|
; // The second word
|
|
; { asm (
|
|
; "lw %0,%D1;\n"
|
|
; : "=r" (i) "m" (*(b+4)));}
|
|
;}
|
|
|
|
@b = common global [20 x i32] zeroinitializer, align 4
|
|
|
|
define void @main() {
|
|
entry:
|
|
tail call void asm sideeffect " lw $0,${1:D};", "r,*m,~{$11}"(i32 undef, i32* getelementptr inbounds ([20 x i32]* @b, i32 0, i32 3))
|
|
tail call void asm sideeffect " lw $0,${1};", "r,*m,~{$11}"(i32 undef, i32* getelementptr inbounds ([20 x i32]* @b, i32 0, i32 3))
|
|
ret void
|
|
}
|
|
|
|
attributes #0 = { nounwind }
|
|
|