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gerrit-public.fairphone.software / toolchain / llvm-project / b6bcdfd23d6c90068e4444d43663235286578a44 / . / llvm / test / CodeGen / Mips / inlineasmmemop.ll
blob: a87cab3eb4c8f3f52e32ac7db55b1a507497c603 [file] [log] [blame]
Akira Hatanaka56247072011-09-09 23:14:58 +0000[diff] [blame]1; RUN: llc -march=mipsel < %s | FileCheck %s
Akira Hatanaka4c406e72011-06-21 00:40:49 +0000[diff] [blame]2
Jack Carterb04e3572013-04-09 23:19:50 +0000[diff] [blame]3; Simple memory
Akira Hatanaka4c406e72011-06-21 00:40:49 +0000[diff] [blame]4@g1 = external global i32
5
6define i32 @f1(i32 %x) nounwind {
7entry:
8; CHECK: addiu $[[T0:[0-9]+]], $sp
9; CHECK: #APP
10; CHECK: sw $4, 0($[[T0]])
11; CHECK: #NO_APP
Akira Hatanaka4c406e72011-06-21 00:40:49 +0000[diff] [blame]12; CHECK: #APP
13; CHECK: lw $[[T3:[0-9]+]], 0($[[T0]])
14; CHECK: #NO_APP
Akira Hatanaka763ab852012-05-12 03:25:16 +0000[diff] [blame]15; CHECK: lw $[[T1:[0-9]+]], %got(g1)
Akira Hatanaka4c406e72011-06-21 00:40:49 +0000[diff] [blame]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
Jack Carterb6bcdfd2013-04-10 22:02:32 +0000[diff] [blame^]25; "D": Second word of double word. This works for any memory element
26; double or single.
Jack Carterb04e3572013-04-09 23:19:50 +0000[diff] [blame]27; CHECK: #APP
28; CHECK-NEXT: lw ${{[0-9]+}},4(${{[0-9]+}});
29; CHECK-NEXT: #NO_APP
30
Jack Carterb6bcdfd2013-04-10 22:02:32 +0000[diff] [blame^]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
Jack Carterb04e3572013-04-09 23:19:50 +0000[diff] [blame]37@b = common global [20 x i32] zeroinitializer, align 4
38
Jack Carterb6bcdfd2013-04-10 22:02:32 +0000[diff] [blame^]39define void @main() {
Jack Carterb04e3572013-04-09 23:19:50 +0000[diff] [blame]40entry:
Jack Carterb6bcdfd2013-04-10 22:02:32 +0000[diff] [blame^]41 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))
42 tail call void asm sideeffect " lw $0,${1};", "r,*m,~{$11}"(i32 undef, i32* getelementptr inbounds ([20 x i32]* @b, i32 0, i32 3))
Jack Carterb04e3572013-04-09 23:19:50 +0000[diff] [blame]43 ret void
44}
45
Jack Carterb6bcdfd2013-04-10 22:02:32 +0000[diff] [blame^]46attributes #0 = { nounwind }
Jack Carterb04e3572013-04-09 23:19:50 +0000[diff] [blame]47