derek.holloway
7502bf64a4
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39 lines
1.7 KiB
LLVM
39 lines
1.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes=licm < %s | FileCheck %s
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define i16 @test(ptr %in) {
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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: [[I:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[I_NEXT:%.*]], [[LOOP]] ]
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; CHECK-NEXT: [[I_NEXT]] = add i32 [[I]], 1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[I_NEXT]], 10
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; CHECK-NEXT: br i1 [[CMP]], label [[LOOP]], label [[EXIT:%.*]]
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; CHECK: exit:
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; CHECK-NEXT: [[I_LCSSA:%.*]] = phi i32 [ [[I]], [[LOOP]] ]
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; CHECK-NEXT: [[GEP_LE:%.*]] = getelementptr <4 x i16>, ptr [[IN:%.*]], i32 [[I_LCSSA]]
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; CHECK-NEXT: [[LOAD_LE:%.*]] = call <4 x i16> @llvm.masked.load.v4i16.p0(ptr align 2 [[GEP_LE]], <4 x i1> <i1 true, i1 false, i1 true, i1 false>, <4 x i16> <i16 0, i16 poison, i16 0, i16 poison>), !alias.scope [[META0:![0-9]+]], !noalias [[META0]]
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; CHECK-NEXT: [[REDUCE_LE:%.*]] = call i16 @llvm.vector.reduce.add.v4i16(<4 x i16> [[LOAD_LE]])
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; CHECK-NEXT: ret i16 [[REDUCE_LE]]
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;
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entry:
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br label %loop
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loop: ; preds = %loop, %entry
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%i = phi i32 [ 0, %entry ], [ %i.next, %loop ]
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%gep = getelementptr <4 x i16>, ptr %in, i32 %i
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%load = call <4 x i16> @llvm.masked.load.v4i16.p0(ptr %gep, i32 2, <4 x i1> <i1 true, i1 false, i1 true, i1 false>, <4 x i16> <i16 0, i16 poison, i16 0, i16 poison>), !alias.scope !2, !noalias !2
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%reduce = call i16 @llvm.vector.reduce.add.v4i16(<4 x i16> %load)
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%i.next = add i32 %i, 1
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%cmp = icmp ult i32 %i.next, 10
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br i1 %cmp, label %loop, label %exit
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exit: ; preds = %loop
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ret i16 %reduce
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}
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!0 = !{!0}
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!1 = !{!1, !0}
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!2 = !{!1}
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