| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -loop-vectorize -force-vector-width=2 -opaque-pointers < %s | FileCheck %s |
| |
| ; TODO: This still crashes with inbounds on the GEPs. |
| define void @test(ptr %p1.start, ptr %p2.start, ptr %p1.end) { |
| ; CHECK-LABEL: @test( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br label [[LOOP:%.*]] |
| ; CHECK: loop: |
| ; CHECK-NEXT: [[P1:%.*]] = phi ptr [ [[P1_START:%.*]], [[ENTRY:%.*]] ], [ [[P1_NEXT:%.*]], [[LOOP]] ] |
| ; CHECK-NEXT: [[P2:%.*]] = phi ptr [ [[P2_START:%.*]], [[ENTRY]] ], [ [[P2_NEXT:%.*]], [[LOOP]] ] |
| ; CHECK-NEXT: [[P1_VAL:%.*]] = load float, ptr [[P1]], align 4 |
| ; CHECK-NEXT: [[P2_VAL:%.*]] = load float, ptr [[P2]], align 4 |
| ; CHECK-NEXT: [[SUM:%.*]] = fadd float [[P1_VAL]], [[P2_VAL]] |
| ; CHECK-NEXT: store float [[SUM]], ptr [[P1]], align 4 |
| ; CHECK-NEXT: [[P1_NEXT]] = getelementptr float, ptr [[P1]], i64 1 |
| ; CHECK-NEXT: [[P2_NEXT]] = getelementptr float, ptr [[P2]], i64 1 |
| ; CHECK-NEXT: [[C:%.*]] = icmp ne ptr [[P1_NEXT]], [[P1_END:%.*]] |
| ; CHECK-NEXT: br i1 [[C]], label [[LOOP]], label [[EXIT:%.*]] |
| ; CHECK: exit: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| br label %loop |
| |
| loop: |
| %p1 = phi ptr [ %p1.start, %entry ], [ %p1.next, %loop ] |
| %p2 = phi ptr [ %p2.start, %entry ], [ %p2.next, %loop ] |
| %p1.val = load float, ptr %p1 |
| %p2.val = load float, ptr %p2 |
| %sum = fadd float %p1.val, %p2.val |
| store float %sum, ptr %p1 |
| %p1.next = getelementptr float, ptr %p1, i64 1 |
| %p2.next = getelementptr float, ptr %p2, i64 1 |
| %c = icmp ne ptr %p1.next, %p1.end |
| br i1 %c, label %loop, label %exit |
| |
| exit: |
| ret void |
| } |