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      1 ; RUN: llc < %s -mtriple=thumbv7-apple-ios -mcpu=cortex-a8 -pre-RA-sched=source -disable-post-ra | FileCheck %s
      2 ; RUN: llc < %s -mtriple=thumbv6m-apple-ios -mcpu=cortex-m0 -pre-RA-sched=source -disable-post-ra | FileCheck %s -check-prefix=CHECK-T1
      3 %struct.x = type { i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8 }
      4 
      5 @src = external global %struct.x
      6 @dst = external global %struct.x
      7 
      8 @.str1 = private unnamed_addr constant [31 x i8] c"DHRYSTONE PROGRAM, SOME STRING\00", align 1
      9 @.str2 = private unnamed_addr constant [36 x i8] c"DHRYSTONE PROGRAM, SOME STRING BLAH\00", align 1
     10 @.str3 = private unnamed_addr constant [24 x i8] c"DHRYSTONE PROGRAM, SOME\00", align 1
     11 @.str4 = private unnamed_addr constant [18 x i8] c"DHRYSTONE PROGR  \00", align 1
     12 @.str5 = private unnamed_addr constant [7 x i8] c"DHRYST\00", align 1
     13 @.str6 = private unnamed_addr constant [14 x i8] c"/tmp/rmXXXXXX\00", align 1
     14 @spool.splbuf = internal global [512 x i8] zeroinitializer, align 16
     15 
     16 define i32 @t0() {
     17 entry:
     18 ; CHECK-LABEL: t0:
     19 ; CHECK: vldr [[REG1:d[0-9]+]],
     20 ; CHECK: vstr [[REG1]],
     21 ; CHECK-T1-LABEL: t0:
     22 ; CHECK-T1: ldrb [[TREG1:r[0-9]]],
     23 ; CHECK-T1: strb [[TREG1]],
     24 ; CHECK-T1: ldrh [[TREG2:r[0-9]]],
     25 ; CHECK-T1: strh [[TREG2]]
     26   call void @llvm.memcpy.p0i8.p0i8.i32(i8* getelementptr inbounds (%struct.x* @dst, i32 0, i32 0), i8* getelementptr inbounds (%struct.x* @src, i32 0, i32 0), i32 11, i32 8, i1 false)
     27   ret i32 0
     28 }
     29 
     30 define void @t1(i8* nocapture %C) nounwind {
     31 entry:
     32 ; CHECK-LABEL: t1:
     33 ; CHECK: vld1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r1]
     34 ; CHECK: vst1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r0]
     35 ; CHECK: adds r0, #15
     36 ; CHECK: adds r1, #15
     37 ; CHECK: vld1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r1]
     38 ; CHECK: vst1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r0]
     39   tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %C, i8* getelementptr inbounds ([31 x i8]* @.str1, i64 0, i64 0), i64 31, i32 1, i1 false)
     40   ret void
     41 }
     42 
     43 define void @t2(i8* nocapture %C) nounwind {
     44 entry:
     45 ; CHECK-LABEL: t2:
     46 ; CHECK: movw [[REG2:r[0-9]+]], #16716
     47 ; CHECK: movt [[REG2:r[0-9]+]], #72
     48 ; CHECK: str [[REG2]], [r0, #32]
     49 ; CHECK: vld1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r1]
     50 ; CHECK: vst1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r0]
     51 ; CHECK: adds r0, #16
     52 ; CHECK: adds r1, #16
     53 ; CHECK: vld1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r1]
     54 ; CHECK: vst1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r0]
     55   tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %C, i8* getelementptr inbounds ([36 x i8]* @.str2, i64 0, i64 0), i64 36, i32 1, i1 false)
     56   ret void
     57 }
     58 
     59 define void @t3(i8* nocapture %C) nounwind {
     60 entry:
     61 ; CHECK-LABEL: t3:
     62 ; CHECK: vld1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r1]
     63 ; CHECK: vst1.8 {d{{[0-9]+}}, d{{[0-9]+}}}, [r0]
     64 ; CHECK: adds r0, #16
     65 ; CHECK: adds r1, #16
     66 ; CHECK: vld1.8 {d{{[0-9]+}}}, [r1]
     67 ; CHECK: vst1.8 {d{{[0-9]+}}}, [r0]
     68   tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %C, i8* getelementptr inbounds ([24 x i8]* @.str3, i64 0, i64 0), i64 24, i32 1, i1 false)
     69   ret void
     70 }
     71 
     72 define void @t4(i8* nocapture %C) nounwind {
     73 entry:
     74 ; CHECK-LABEL: t4:
     75 ; CHECK: vld1.8 {[[REG3:d[0-9]+]], [[REG4:d[0-9]+]]}, [r1]
     76 ; CHECK: vst1.8 {[[REG3]], [[REG4]]}, [r0]
     77   tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %C, i8* getelementptr inbounds ([18 x i8]* @.str4, i64 0, i64 0), i64 18, i32 1, i1 false)
     78   ret void
     79 }
     80 
     81 define void @t5(i8* nocapture %C) nounwind {
     82 entry:
     83 ; CHECK-LABEL: t5:
     84 ; CHECK: movs [[REG5:r[0-9]+]], #0
     85 ; CHECK: strb [[REG5]], [r0, #6]
     86 ; CHECK: movw [[REG6:r[0-9]+]], #21587
     87 ; CHECK: strh [[REG6]], [r0, #4]
     88 ; CHECK: movw [[REG7:r[0-9]+]], #18500
     89 ; CHECK: movt [[REG7:r[0-9]+]], #22866
     90 ; CHECK: str [[REG7]]
     91 ; CHECK-T1-LABEL: t5:
     92 ; CHECK-T1: movs [[TREG3:r[0-9]]],
     93 ; CHECK-T1: strb [[TREG3]],
     94 ; CHECK-T1: movs [[TREG4:r[0-9]]],
     95 ; CHECK-T1: strb [[TREG4]],
     96   tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %C, i8* getelementptr inbounds ([7 x i8]* @.str5, i64 0, i64 0), i64 7, i32 1, i1 false)
     97   ret void
     98 }
     99 
    100 define void @t6() nounwind {
    101 entry:
    102 ; CHECK-LABEL: t6:
    103 ; CHECK: vld1.8 {[[REG9:d[0-9]+]]}, [r0]
    104 ; CHECK: vstr [[REG9]], [r1]
    105 ; CHECK: adds r1, #6
    106 ; CHECK: adds r0, #6
    107 ; CHECK: vld1.8
    108 ; CHECK: vst1.16
    109 ; CHECK-T1-LABEL: t6:
    110 ; CHECK-T1: movs [[TREG5:r[0-9]]],
    111 ; CHECK-T1: strh [[TREG5]],
    112 ; CHECK-T1: ldr [[TREG6:r[0-9]]],
    113 ; CHECK-T1: str [[TREG6]]
    114   call void @llvm.memcpy.p0i8.p0i8.i64(i8* getelementptr inbounds ([512 x i8]* @spool.splbuf, i64 0, i64 0), i8* getelementptr inbounds ([14 x i8]* @.str6, i64 0, i64 0), i64 14, i32 1, i1 false)
    115   ret void
    116 }
    117 
    118 %struct.Foo = type { i32, i32, i32, i32 }
    119 
    120 define void @t7(%struct.Foo* nocapture %a, %struct.Foo* nocapture %b) nounwind {
    121 entry:
    122 ; CHECK-LABEL: t7:
    123 ; CHECK: vld1.32
    124 ; CHECK: vst1.32
    125 ; CHECK-T1-LABEL: t7:
    126 ; CHECK-T1: ldr
    127 ; CHECK-T1: str
    128   %0 = bitcast %struct.Foo* %a to i8*
    129   %1 = bitcast %struct.Foo* %b to i8*
    130   tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %0, i8* %1, i32 16, i32 4, i1 false)
    131   ret void
    132 }
    133 
    134 declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
    135 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
    136