| Krzysztof Parzyszek | 046090d | 2018-03-12 14:01:28 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=hexagon < %s | FileCheck %s |
| 2 | |
| 3 | ; Make sure that the addressing mode optimization does not propagate |
| 4 | ; an add instruction where the base register would have a different |
| 5 | ; reaching def. |
| 6 | |
| 7 | ; CHECK-LABEL: f0.1: |
| 8 | ; CHECK-LABEL: %b0 |
| 9 | ; CHECK: r17 = add(r{{[0-9]+}},#8) |
| 10 | ; CHECK-LABEL: %b1 |
| 11 | ; CHECK: r16 = r0 |
| 12 | ; CHECK-LABEL: %b2 |
| 13 | ; CHECK: memd(r17+#0) |
| 14 | |
| 15 | target triple = "hexagon" |
| 16 | |
| 17 | %s.0 = type { i8, i8, %s.1, i32 } |
| 18 | %s.1 = type { %s.2, [128 x i8] } |
| 19 | %s.2 = type { i8, i8, i64, %s.3 } |
| 20 | %s.3 = type { i8 } |
| 21 | |
| 22 | define void @f0.1() local_unnamed_addr #0 align 2 { |
| 23 | b0: |
| 24 | %v0 = alloca %s.0, align 8 |
| 25 | %v1 = getelementptr inbounds %s.0, %s.0* %v0, i32 0, i32 1 |
| 26 | store i8 4, i8* %v1, align 1 |
| 27 | %v2 = call signext i8 @f1.2(%s.3* undef) #0 |
| 28 | %v3 = getelementptr inbounds %s.0, %s.0* %v0, i32 0, i32 2, i32 0, i32 0 |
| 29 | %v4 = getelementptr inbounds %s.0, %s.0* %v0, i32 0, i32 2, i32 0, i32 3, i32 0 |
| 30 | store i8 -1, i8* %v4, align 8 |
| 31 | br i1 undef, label %b1, label %b2 |
| 32 | |
| 33 | b1: ; preds = %b0 |
| 34 | %v5 = call dereferenceable(12) %s.3* @f2.3(%s.3* nonnull undef, %s.3* nonnull dereferenceable(80) undef) #0 |
| 35 | %v6 = call signext i8 @f1.2(%s.3* undef) #0 |
| 36 | %v7 = call dereferenceable(12) %s.3* @f3(%s.3* nonnull %v5, i16 signext undef) #0 |
| 37 | br label %b2 |
| 38 | |
| 39 | b2: ; preds = %b1, %b0 |
| 40 | call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 8 undef, i8* align 8 %v3, i32 48, i1 false) |
| 41 | ret void |
| 42 | } |
| 43 | |
| 44 | declare signext i8 @f1.2(%s.3*) #0 |
| 45 | declare dereferenceable(12) %s.3* @f2.3(%s.3*, %s.3* dereferenceable(80)) #0 |
| 46 | declare dereferenceable(12) %s.3* @f3(%s.3*, i16 signext) #0 |
| 47 | declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture writeonly, i8* nocapture readonly, i32, i1) #1 |
| 48 | |
| 49 | attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-features"="-long-calls" } |
| 50 | attributes #1 = { argmemonly nounwind } |