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