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13 lines
651 B
LLVM
13 lines
651 B
LLVM
; RUN: opt -S -instsimplify < %s | FileCheck %s
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%S = type { i16, i32 }
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define <2 x i16> @test1() {
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entry:
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%b = insertelement <2 x i16> <i16 undef, i16 0>, i16 extractvalue (%S select (i1 icmp eq (i16 extractelement (<2 x i16> bitcast (<1 x i32> <i32 1> to <2 x i16>), i32 0), i16 0), %S zeroinitializer, %S { i16 0, i32 1 }), 0), i32 0
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ret <2 x i16> %b
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}
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; InstCombine will be able to fold this into zeroinitializer
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; CHECK-LABEL: @test1(
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; CHECK: ret <2 x i16> <i16 extractvalue (%S select (i1 icmp eq (i16 extractelement (<2 x i16> bitcast (<1 x i32> <i32 1> to <2 x i16>), i32 0), i16 0), %S zeroinitializer, %S { i16 0, i32 1 }), 0), i16 0>
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