68 lines
2.1 KiB
LLVM
68 lines
2.1 KiB
LLVM
|
; RUN: llc -march=mips -relocation-model=pic < %s \
|
||
|
|
; RUN: | FileCheck --check-prefixes=CHECK,EB %s
|
||
|
|
; RUN: llc -march=mipsel -relocation-model=pic < %s \
|
||
|
|
; RUN: | FileCheck --check-prefixes=CHECK,EL %s
|
||
|
|
|
||
|
|
; Simple memory
|
||
|
|
@g1 = external global i32
|
||
|
|
|
||
|
|
define i32 @f1(i32 %x) nounwind {
|
||
|
|
entry:
|
||
|
|
; CHECK-LABEL: f1:
|
||
|
|
; CHECK: #APP
|
||
|
|
; CHECK: sw $4, [[OFFSET:[0-9]+]]($sp)
|
||
|
|
; CHECK: #NO_APP
|
||
|
|
; CHECK: lw $[[T1:[0-9]+]], %got(g1)
|
||
|
|
; CHECK: #APP
|
||
|
|
; CHECK: lw $[[T3:[0-9]+]], [[OFFSET]]($sp)
|
||
|
|
; CHECK: #NO_APP
|
||
|
|
; 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
|
||
|
|
}
|
||
|
|
|
||
|
|
; CHECK-LABEL: main:
|
||
|
|
; "D": Second word of a double word. This works for any memory element
|
||
|
|
; double or single.
|
||
|
|
; CHECK: #APP
|
||
|
|
; CHECK: lw ${{[0-9]+}}, 16(${{[0-9]+}})
|
||
|
|
; CHECK: #NO_APP
|
||
|
|
|
||
|
|
; No "D": First word of a double word. This works for any memory element
|
||
|
|
; double or single.
|
||
|
|
; CHECK: #APP
|
||
|
|
; CHECK: lw ${{[0-9]+}}, 12(${{[0-9]+}})
|
||
|
|
; CHECK: #NO_APP
|
||
|
|
|
||
|
|
; "M": High-order word of a double word.
|
||
|
|
; CHECK: #APP
|
||
|
|
; EB: lw ${{[0-9]+}}, 12(${{[0-9]+}})
|
||
|
|
; EL: lw ${{[0-9]+}}, 16(${{[0-9]+}})
|
||
|
|
; CHECK: #NO_APP
|
||
|
|
|
||
|
|
; "L": Low-order word of a double word.
|
||
|
|
; CHECK: #APP
|
||
|
|
; EB: lw ${{[0-9]+}}, 16(${{[0-9]+}})
|
||
|
|
; EL: lw ${{[0-9]+}}, 12(${{[0-9]+}})
|
||
|
|
; CHECK: #NO_APP
|
||
|
|
|
||
|
|
@b = common global [20 x i32] zeroinitializer, align 4
|
||
|
|
|
||
|
|
define void @main() {
|
||
|
|
entry:
|
||
|
|
; Second word:
|
||
|
|
tail call void asm sideeffect " lw $0, ${1:D}", "r,*m,~{$11}"(i32 undef, i32* getelementptr inbounds ([20 x i32], [20 x i32]* @b, i32 0, i32 3))
|
||
|
|
; First word. Notice, no 'D':
|
||
|
|
tail call void asm sideeffect " lw $0, ${1}", "r,*m,~{$11}"(i32 undef, i32* getelementptr inbounds ([20 x i32], [20 x i32]* @b, i32 0, i32 3))
|
||
|
|
|
||
|
|
; High-order part.
|
||
|
|
tail call void asm sideeffect " lw $0, ${1:M}", "r,*m,~{$11}"(i32 undef, i32* getelementptr inbounds ([20 x i32], [20 x i32]* @b, i32 0, i32 3))
|
||
|
|
; Low-order part.
|
||
|
|
tail call void asm sideeffect " lw $0, ${1:L}", "r,*m,~{$11}"(i32 undef, i32* getelementptr inbounds ([20 x i32], [20 x i32]* @b, i32 0, i32 3))
|
||
|
|
ret void
|
||
|
|
}
|