blob: 916e5ea299a3c8ef5287caab50376f0d39df744f [file] [log] [blame]
Moritz Rothdfdda0d2014-08-21 17:11:03 +00001; RUN: llc < %s -mtriple=thumbv6m-eabi -verify-machineinstrs -o - | FileCheck %s
2target datalayout = "e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i64:64-v128:64:128-a:0:32-n32-S64"
3target triple = "thumbv6m-none--eabi"
4
5@a = external global i32*
6@b = external global i32*
7
8; Function Attrs: nounwind
Peter Collingbourne6679fc12015-06-05 18:01:28 +00009define void @foo() #0 {
Moritz Rothdfdda0d2014-08-21 17:11:03 +000010entry:
Peter Collingbourne6679fc12015-06-05 18:01:28 +000011; CHECK-LABEL: foo:
12; CHECK: ldr r[[SB:[0-9]]], .LCPI
Moritz Rothdfdda0d2014-08-21 17:11:03 +000013; CHECK: ldr r[[LB:[0-9]]], .LCPI
14; CHECK: adds r[[NLB:[0-9]]], r[[LB]], #4
Peter Collingbourne6679fc12015-06-05 18:01:28 +000015; CHECK-NEXT: ldm r[[NLB]],
Moritz Rothdfdda0d2014-08-21 17:11:03 +000016; CHECK: adds r[[NSB:[0-9]]], r[[SB]], #4
Peter Collingbourne6679fc12015-06-05 18:01:28 +000017; CHECK-NEXT: stm r[[NSB]]
David Blaikiea79ac142015-02-27 21:17:42 +000018 %0 = load i32*, i32** @a, align 4
David Blaikie79e6c742015-02-27 19:29:02 +000019 %arrayidx = getelementptr inbounds i32, i32* %0, i32 1
Moritz Rothdfdda0d2014-08-21 17:11:03 +000020 %1 = bitcast i32* %arrayidx to i8*
David Blaikiea79ac142015-02-27 21:17:42 +000021 %2 = load i32*, i32** @b, align 4
David Blaikie79e6c742015-02-27 19:29:02 +000022 %arrayidx1 = getelementptr inbounds i32, i32* %2, i32 1
Moritz Rothdfdda0d2014-08-21 17:11:03 +000023 %3 = bitcast i32* %arrayidx1 to i8*
24 tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %1, i8* %3, i32 24, i32 4, i1 false)
25 ret void
26}
27
Moritz Rothdfdda0d2014-08-21 17:11:03 +000028; Function Attrs: nounwind
29declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #1