Gitiles
Code Review Sign In
gerrit-public.fairphone.software / toolchain / llvm-project / 970f686faa6502bf8b72ae7d7211fe08de804dd1 / . / llvm / test / CodeGen / Mips / inlineasmmemop.ll
blob: 61cbf93e667bc45583f16bf700e54059e395bfa0 [file] [log] [blame]
Petar Jovanovice578e972016-04-11 15:24:23 +0000[diff] [blame]1; RUN: llc -march=mipsel -relocation-model=pic < %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:
Toma Tabacua23f13c2014-12-17 10:56:16 +0000[diff] [blame]8; CHECK-LABEL: f1:
Akira Hatanaka4c406e72011-06-21 00:40:49 +0000[diff] [blame]9; CHECK: #APP
Daniel Sandersc676f2a2015-03-24 15:19:14 +0000[diff] [blame]10; CHECK: sw $4, [[OFFSET:[0-9]+]]($sp)
Akira Hatanaka4c406e72011-06-21 00:40:49 +0000[diff] [blame]11; CHECK: #NO_APP
Akira Hatanaka763ab852012-05-12 03:25:16 +0000[diff] [blame]12; CHECK: lw $[[T1:[0-9]+]], %got(g1)
Daniel Sandersc676f2a2015-03-24 15:19:14 +0000[diff] [blame]13; CHECK: #APP
14; CHECK: lw $[[T3:[0-9]+]], [[OFFSET]]($sp)
15; CHECK: #NO_APP
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
Toma Tabacua23f13c2014-12-17 10:56:16 +0000[diff] [blame]25; CHECK-LABEL: main:
Toma Tabacu83cd33c2014-12-18 13:03:51 +0000[diff] [blame]26; "D": Second word of a double word. This works for any memory element
Jack Carterb6bcdfd2013-04-10 22:02:32 +0000[diff] [blame]27; double or single.
Jack Carterb04e3572013-04-09 23:19:50 +0000[diff] [blame]28; CHECK: #APP
Daniel Sanders6b667922015-11-16 14:19:32 +0000[diff] [blame]29; CHECK: lw ${{[0-9]+}}, 16(${{[0-9]+}})
Toma Tabacua23f13c2014-12-17 10:56:16 +0000[diff] [blame]30; CHECK: #NO_APP
Jack Carterb04e3572013-04-09 23:19:50 +0000[diff] [blame]31
Toma Tabacu83cd33c2014-12-18 13:03:51 +0000[diff] [blame]32; No "D": First word of a double word. This works for any memory element
Jack Carterb6bcdfd2013-04-10 22:02:32 +0000[diff] [blame]33; double or single.
34; CHECK: #APP
Daniel Sanders6b667922015-11-16 14:19:32 +0000[diff] [blame]35; CHECK: lw ${{[0-9]+}}, 12(${{[0-9]+}})
Toma Tabacua23f13c2014-12-17 10:56:16 +0000[diff] [blame]36; CHECK: #NO_APP
Jack Carterb6bcdfd2013-04-10 22:02:32 +0000[diff] [blame]37
Jack Carterb04e3572013-04-09 23:19:50 +0000[diff] [blame]38@b = common global [20 x i32] zeroinitializer, align 4
39
Jack Carterb6bcdfd2013-04-10 22:02:32 +0000[diff] [blame]40define void @main() {
Jack Carterb04e3572013-04-09 23:19:50 +0000[diff] [blame]41entry:
Toma Tabacu83cd33c2014-12-18 13:03:51 +0000[diff] [blame]42; Second word:
Daniel Sanders6b667922015-11-16 14:19:32 +0000[diff] [blame]43 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))
Toma Tabacu83cd33c2014-12-18 13:03:51 +0000[diff] [blame]44; First word. Notice, no 'D':
Daniel Sanders6b667922015-11-16 14:19:32 +0000[diff] [blame]45 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))
Jack Carterb04e3572013-04-09 23:19:50 +0000[diff] [blame]46 ret void
47}