ac75d32280
This patch changes the functionality of `VecUtils::getLowest(Vals, BB)` such that it filters out any instructions in `Vals` that are not in BB. This is useful when Vals contains instructions from different BBs, because in that case we are only interested in one BB.
29 lines
1.1 KiB
LLVM
29 lines
1.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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; RUN: opt -passes=sandbox-vectorizer -sbvec-vec-reg-bits=1024 -sbvec-allow-non-pow2 -sbvec-passes="bottom-up-vec<>" %s -S | FileCheck %s
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define void @cross_bbs(ptr %ptr) {
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; CHECK-LABEL: define void @cross_bbs(
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; CHECK-SAME: ptr [[PTR:%.*]]) {
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; CHECK-NEXT: [[PTR0:%.*]] = getelementptr i8, ptr [[PTR]], i32 0
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; CHECK-NEXT: [[PTR1:%.*]] = getelementptr i8, ptr [[PTR]], i32 1
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; CHECK-NEXT: [[L0:%.*]] = load i8, ptr [[PTR0]], align 1
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; CHECK-NEXT: [[L1:%.*]] = load i8, ptr [[PTR1]], align 1
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; CHECK-NEXT: br label %[[BB:.*]]
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; CHECK: [[BB]]:
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; CHECK-NEXT: [[PACK:%.*]] = insertelement <2 x i8> poison, i8 [[L0]], i32 0
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; CHECK-NEXT: [[PACK1:%.*]] = insertelement <2 x i8> [[PACK]], i8 [[L1]], i32 1
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; CHECK-NEXT: store <2 x i8> [[PACK1]], ptr [[PTR0]], align 1
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; CHECK-NEXT: ret void
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;
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%ptr0 = getelementptr i8, ptr %ptr, i32 0
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%ptr1 = getelementptr i8, ptr %ptr, i32 1
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%l0 = load i8, ptr %ptr0
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%l1 = load i8, ptr %ptr1
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br label %bb
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bb:
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store i8 %l0, ptr %ptr0
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store i8 %l1, ptr %ptr1
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ret void
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}
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