46 lines
1.9 KiB
LLVM
46 lines
1.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --version 6
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; RUN: opt -passes=loop-vectorize -S < %s | FileCheck %s
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32"
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target triple = "aarch64"
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define double @test(i32 %0) {
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; CHECK-LABEL: define double @test(
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; CHECK-SAME: i32 [[TMP0:%.*]]) {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: br label %[[VECTOR_PH:.*]]
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; CHECK: [[VECTOR_PH]]:
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; CHECK-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
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; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i64> poison, i64 [[TMP1]], i64 0
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; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i64> [[BROADCAST_SPLATINSERT]], <2 x i64> poison, <2 x i32> zeroinitializer
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; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
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; CHECK: [[VECTOR_BODY]]:
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; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <2 x i64> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP2:%.*]], %[[VECTOR_BODY]] ]
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; CHECK-NEXT: [[TMP2]] = or <2 x i64> [[VEC_PHI]], [[BROADCAST_SPLAT]]
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; CHECK-NEXT: br i1 true, label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
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; CHECK: [[MIDDLE_BLOCK]]:
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; CHECK-NEXT: [[TMP3:%.*]] = call i64 @llvm.vector.reduce.or.v2i64(<2 x i64> [[TMP2]])
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; CHECK-NEXT: br label %[[EXIT:.*]]
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; CHECK: [[EXIT]]:
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; CHECK-NEXT: [[RET:%.*]] = uitofp i64 [[TMP3]] to double
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; CHECK-NEXT: ret double [[RET]]
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;
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entry:
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br label %for.body
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for.body:
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%redux = phi i64 [ 0, %entry ], [ %binop, %for.body ]
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%iv = phi i64 [ 0, %entry ], [ %next.iv, %for.body ]
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%ext = zext i32 %0 to i64
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%binop = or i64 %redux, %ext
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%gep = getelementptr [8 x i8], ptr null, i64 %ext
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%load = load double, ptr %gep, align 8
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%next.iv = add i64 %iv, 1
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%exitcond.not = icmp eq i64 %iv, 1
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br i1 %exitcond.not, label %exit, label %for.body
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exit:
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%ret = uitofp i64 %binop to double
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ret double %ret
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}
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