| ; RUN: llc -march=hexagon -mcpu=hexagonv5 -enable-pipeliner < %s | FileCheck %s |
| ; RUN: llc -march=hexagon -mcpu=hexagonv62 -enable-pipeliner < %s | FileCheck --check-prefix=CHECK-V62 %s |
| ; RUN: llc -march=hexagon -mcpu=hexagonv65 -enable-pipeliner < %s | FileCheck --check-prefix=CHECK-V65 %s |
| |
| ; |
| ; Make sure we pipeline the loop and that we generate the correct |
| ; base+offset values for the loads. |
| |
| ; CHECK: loop0(.LBB0_[[LOOP:.]], |
| ; CHECK: .LBB0_[[LOOP]]: |
| ; CHECK: r{{[0-9]+}} = memw([[REG1:(r[0-9]+)]]+#{{[0,4]}}) |
| ; CHECK: r{{[0-9]+}} = memw([[REG1]]++#4) |
| ; CHECK: }{{[ \t]*}}:endloop |
| ; CHECK-V62-NOT: }{{[ \t]*}}:mem_noshuf |
| ; CHECK-V65: }{{[ \t]*}}:mem_noshuf |
| |
| ; Function Attrs: nounwind |
| define void @f0() #0 { |
| b0: |
| br i1 undef, label %b1, label %b4 |
| |
| b1: ; preds = %b1, %b0 |
| %v0 = phi i32 [ %v7, %b1 ], [ 0, %b0 ] |
| %v1 = getelementptr inbounds i8*, i8** undef, i32 %v0 |
| %v2 = load i8*, i8** %v1, align 4 |
| %v3 = bitcast i8* %v2 to i32* |
| store i32 0, i32* %v3, align 4 |
| %v4 = load i8*, i8** %v1, align 4 |
| %v5 = getelementptr inbounds i8, i8* %v4, i32 8 |
| %v6 = bitcast i8* %v5 to i32* |
| store i32 0, i32* %v6, align 4 |
| %v7 = add nsw i32 %v0, 1 |
| %v8 = icmp eq i32 %v7, 2 |
| br i1 %v8, label %b2, label %b1 |
| |
| b2: ; preds = %b1 |
| br i1 undef, label %b3, label %b4 |
| |
| b3: ; preds = %b2 |
| unreachable |
| |
| b4: ; preds = %b2, %b0 |
| unreachable |
| } |
| |
| attributes #0 = { nounwind } |