| Krzysztof Parzyszek | 8271be9 | 2016-10-12 19:50:57 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=hexagon -verify-machineinstrs < %s | FileCheck %s |
| 2 | ; |
| 3 | ; Check that the testcase compiles successfully. Expect that if-conversion |
| 4 | ; took place. |
| 5 | ; CHECK-LABEL: fred: |
| Krzysztof Parzyszek | a72fad9 | 2017-02-10 15:33:13 +0000 | [diff] [blame] | 6 | ; CHECK: if (!p0) r1 = memw(r0+#0) |
| Krzysztof Parzyszek | 8271be9 | 2016-10-12 19:50:57 +0000 | [diff] [blame] | 7 | |
| 8 | target triple = "hexagon" |
| 9 | |
| 10 | define void @fred(i32 %p0) local_unnamed_addr align 2 { |
| 11 | b0: |
| 12 | br i1 undef, label %b1, label %b2 |
| 13 | |
| 14 | b1: ; preds = %b0 |
| 15 | %t0 = load i8*, i8** undef, align 4 |
| 16 | br label %b2 |
| 17 | |
| 18 | b2: ; preds = %b1, %b0 |
| 19 | %t1 = phi i8* [ %t0, %b1 ], [ undef, %b0 ] |
| 20 | %t2 = getelementptr inbounds i8, i8* %t1, i32 %p0 |
| 21 | tail call void @llvm.memmove.p0i8.p0i8.i32(i8* undef, i8* %t2, i32 undef, i32 1, i1 false) #1 |
| 22 | unreachable |
| 23 | } |
| 24 | |
| 25 | declare void @llvm.memmove.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #0 |
| 26 | |
| 27 | attributes #0 = { argmemonly nounwind } |
| 28 | attributes #1 = { nounwind } |
| 29 | |