| Justin Lebar | c75d566 | 2016-02-19 00:18:46 +0000 | [diff] [blame] | 1 | ; RUN: llc -stop-after block-placement -o /dev/null %s 2>&1 | FileCheck %s |
| Scott Douglass | 290183d | 2015-10-01 11:56:19 +0000 | [diff] [blame] | 2 | |
| 3 | target triple = "thumbv6m-none-none" |
| 4 | |
| 5 | define i32* @foo(i32* readonly %p0) { |
| 6 | entry: |
| 7 | %add.ptr = getelementptr inbounds i32, i32* %p0, i32 10 |
| 8 | %arrayidx = getelementptr inbounds i32, i32* %p0, i32 13 |
| 9 | %0 = load i32, i32* %arrayidx, align 4 |
| 10 | %arrayidx1 = getelementptr inbounds i32, i32* %p0, i32 12 |
| 11 | %1 = load i32, i32* %arrayidx1, align 4 |
| 12 | %add = add nsw i32 %1, %0 |
| 13 | %arrayidx2 = getelementptr inbounds i32, i32* %p0, i32 11 |
| 14 | %2 = load i32, i32* %arrayidx2, align 4 |
| 15 | %add3 = add nsw i32 %add, %2 |
| 16 | %3 = load i32, i32* %add.ptr, align 4 |
| 17 | %add5 = add nsw i32 %add3, %3 |
| 18 | tail call void @g(i32 %add5) |
| 19 | ret i32* %p0 |
| 20 | } |
| 21 | |
| 22 | declare void @g(i32) |
| 23 | |
| 24 | ; CHECK-LABEL: name: foo |
| 25 | ; CHECK: [[BASE:%r[0-7]]], {{.*}} tADDi8 |
| 26 | ; CHECK-NOT: [[BASE]] = tLDMIA_UPD {{.*}} [[BASE]] |
| 27 | ; CHECK: tLDMIA killed [[BASE]], {{.*}} def [[BASE]] |