1 ; RUN: llc -march=mipsel < %s | FileCheck %s 2 3 ; Simple memory 4 @g1 = external global i32 5 6 define i32 @f1(i32 %x) nounwind { 7 entry: 8 ; CHECK: addiu $[[T0:[0-9]+]], $sp 9 ; CHECK: #APP 10 ; CHECK: sw $4, 0($[[T0]]) 11 ; CHECK: #NO_APP 12 ; CHECK: #APP 13 ; CHECK: lw $[[T3:[0-9]+]], 0($[[T0]]) 14 ; CHECK: #NO_APP 15 ; CHECK: lw $[[T1:[0-9]+]], %got(g1) 16 ; CHECK: sw $[[T3]], 0($[[T1]]) 17 18 %l1 = alloca i32, align 4 19 call void asm "sw $1, $0", "=*m,r"(i32* %l1, i32 %x) nounwind 20 %0 = call i32 asm "lw $0, $1", "=r,*m"(i32* %l1) nounwind 21 store i32 %0, i32* @g1, align 4 22 ret i32 %0 23 } 24 25 ; "D": Second word of double word. This works for any memory element 26 ; double or single. 27 ; CHECK: #APP 28 ; CHECK-NEXT: lw ${{[0-9]+}},4(${{[0-9]+}}); 29 ; CHECK-NEXT: #NO_APP 30 31 ; No "D": First word of double word. This works for any memory element 32 ; double or single. 33 ; CHECK: #APP 34 ; CHECK-NEXT: lw ${{[0-9]+}},0(${{[0-9]+}}); 35 ; CHECK-NEXT: #NO_APP 36 37 ;int b[8] = {0,1,2,3,4,5,6,7}; 38 ;int main() 39 ;{ 40 ; int i; 41 ; 42 ; // The first word. Notice, no 'D' 43 ; { asm ( 44 ; "lw %0,%1;\n" 45 ; : "=r" (i) : "m" (*(b+4)));} 46 ; 47 ; // The second word 48 ; { asm ( 49 ; "lw %0,%D1;\n" 50 ; : "=r" (i) "m" (*(b+4)));} 51 ;} 52 53 @b = common global [20 x i32] zeroinitializer, align 4 54 55 define void @main() { 56 entry: 57 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)) 58 tail call void asm sideeffect " lw $0,${1};", "r,*m,~{$11}"(i32 undef, i32* getelementptr inbounds ([20 x i32]* @b, i32 0, i32 3)) 59 ret void 60 } 61 62 attributes #0 = { nounwind } 63 64
