41 lines
1.4 KiB
LLVM
41 lines
1.4 KiB
LLVM
; Verify that we can create unaligned loads and stores from VSX intrinsics.
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; RUN: opt < %s -passes=instcombine -S | FileCheck %s
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target triple = "powerpc64-unknown-linux-gnu"
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@vf = common global <4 x float> zeroinitializer, align 1
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@res_vf = common global <4 x float> zeroinitializer, align 1
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@vd = common global <2 x double> zeroinitializer, align 1
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@res_vd = common global <2 x double> zeroinitializer, align 1
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define void @test1() {
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entry:
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%t1 = alloca ptr, align 8
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%t2 = alloca ptr, align 8
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store ptr @vf, ptr %t1, align 8
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%0 = load ptr, ptr %t1, align 8
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%1 = call <4 x i32> @llvm.ppc.vsx.lxvw4x(ptr %0)
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store ptr @res_vf, ptr %t1, align 8
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%2 = load ptr, ptr %t1, align 8
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call void @llvm.ppc.vsx.stxvw4x(<4 x i32> %1, ptr %2)
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store ptr @vd, ptr %t2, align 8
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%3 = load ptr, ptr %t2, align 8
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%4 = call <2 x double> @llvm.ppc.vsx.lxvd2x(ptr %3)
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store ptr @res_vd, ptr %t2, align 8
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%5 = load ptr, ptr %t2, align 8
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call void @llvm.ppc.vsx.stxvd2x(<2 x double> %4, ptr %5)
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ret void
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}
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; CHECK-LABEL: @test1
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; CHECK: %0 = load <4 x i32>, ptr @vf, align 1
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; CHECK: store <4 x i32> %0, ptr @res_vf, align 1
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; CHECK: %1 = load <2 x double>, ptr @vd, align 1
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; CHECK: store <2 x double> %1, ptr @res_vd, align 1
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declare <4 x i32> @llvm.ppc.vsx.lxvw4x(ptr)
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declare void @llvm.ppc.vsx.stxvw4x(<4 x i32>, ptr)
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declare <2 x double> @llvm.ppc.vsx.lxvd2x(ptr)
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declare void @llvm.ppc.vsx.stxvd2x(<2 x double>, ptr)
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