51 строка
1.3 KiB
LLVM
51 строка
1.3 KiB
LLVM
; RUN: opt < %s -basicaa -slp-vectorizer -S -mcpu=corei7-avx | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define void @test1(x86_mmx %a, x86_mmx %b, i64* %ptr) {
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; Ensure we can handle x86_mmx values which are primitive and can be bitcast
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; with integer types but can't be put into a vector.
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;
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; CHECK-LABEL: @test1
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; CHECK: store i64
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; CHECK: store i64
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; CHECK: ret void
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entry:
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%a.cast = bitcast x86_mmx %a to i64
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%b.cast = bitcast x86_mmx %b to i64
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%a.and = and i64 %a.cast, 42
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%b.and = and i64 %b.cast, 42
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%gep = getelementptr i64, i64* %ptr, i32 1
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store i64 %a.and, i64* %ptr
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store i64 %b.and, i64* %gep
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ret void
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}
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define void @test2(x86_mmx %a, x86_mmx %b) {
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; Same as @test1 but using phi-input vectorization instead of store
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; vectorization.
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;
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; CHECK-LABEL: @test2
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; CHECK: and i64
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; CHECK: and i64
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; CHECK: ret void
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entry:
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br i1 undef, label %if.then, label %exit
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if.then:
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%a.cast = bitcast x86_mmx %a to i64
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%b.cast = bitcast x86_mmx %b to i64
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%a.and = and i64 %a.cast, 42
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%b.and = and i64 %b.cast, 42
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br label %exit
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exit:
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%a.phi = phi i64 [ 0, %entry ], [ %a.and, %if.then ]
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%b.phi = phi i64 [ 0, %entry ], [ %b.and, %if.then ]
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tail call void @f(i64 %a.phi, i64 %b.phi)
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ret void
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}
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declare void @f(i64, i64)
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