Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/Mips/inlineasmmemop.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children | 60c9769439b8 |
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; 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 }