| Moritz Roth | dfdda0d | 2014-08-21 17:11:03 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -mtriple=thumbv6m-eabi -verify-machineinstrs -o - | FileCheck %s |
| 2 | target 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" |
| 3 | target triple = "thumbv6m-none--eabi" |
| 4 | |
| 5 | @a = external global i32* |
| 6 | @b = external global i32* |
| 7 | |
| 8 | ; Function Attrs: nounwind |
| Peter Collingbourne | 6679fc1 | 2015-06-05 18:01:28 +0000 | [diff] [blame] | 9 | define void @foo() #0 { |
| Moritz Roth | dfdda0d | 2014-08-21 17:11:03 +0000 | [diff] [blame] | 10 | entry: |
| Peter Collingbourne | 6679fc1 | 2015-06-05 18:01:28 +0000 | [diff] [blame] | 11 | ; CHECK-LABEL: foo: |
| 12 | ; CHECK: ldr r[[SB:[0-9]]], .LCPI |
| Moritz Roth | dfdda0d | 2014-08-21 17:11:03 +0000 | [diff] [blame] | 13 | ; CHECK: ldr r[[LB:[0-9]]], .LCPI |
| 14 | ; CHECK: adds r[[NLB:[0-9]]], r[[LB]], #4 |
| Peter Collingbourne | 6679fc1 | 2015-06-05 18:01:28 +0000 | [diff] [blame] | 15 | ; CHECK-NEXT: ldm r[[NLB]], |
| Moritz Roth | dfdda0d | 2014-08-21 17:11:03 +0000 | [diff] [blame] | 16 | ; CHECK: adds r[[NSB:[0-9]]], r[[SB]], #4 |
| Peter Collingbourne | 6679fc1 | 2015-06-05 18:01:28 +0000 | [diff] [blame] | 17 | ; CHECK-NEXT: stm r[[NSB]] |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 18 | %0 = load i32*, i32** @a, align 4 |
| David Blaikie | 79e6c74 | 2015-02-27 19:29:02 +0000 | [diff] [blame] | 19 | %arrayidx = getelementptr inbounds i32, i32* %0, i32 1 |
| Moritz Roth | dfdda0d | 2014-08-21 17:11:03 +0000 | [diff] [blame] | 20 | %1 = bitcast i32* %arrayidx to i8* |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 21 | %2 = load i32*, i32** @b, align 4 |
| David Blaikie | 79e6c74 | 2015-02-27 19:29:02 +0000 | [diff] [blame] | 22 | %arrayidx1 = getelementptr inbounds i32, i32* %2, i32 1 |
| Moritz Roth | dfdda0d | 2014-08-21 17:11:03 +0000 | [diff] [blame] | 23 | %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 Roth | dfdda0d | 2014-08-21 17:11:03 +0000 | [diff] [blame] | 28 | ; Function Attrs: nounwind |
| 29 | declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #1 |