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1; RUN: llc < %s -mtriple=x86_64-- -o - | FileCheck %s2 3; This test verifies that we produce different code for different architectures4; based on target-cpu and target-features attributes.5; In this case avx has a vmovss instruction and otherwise we should be using movss6; to materialize constants.7target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"8 9define float @_Z3barv() #0 {10entry:11 ret float 4.000000e+0012}13 14; CHECK: barv15; CHECK: vmovss16 17define float @_Z4testv() #1 {18entry:19 ret float 1.000000e+0020}21 22; CHECK: testv23; CHECK: movss24 25define float @_Z3foov() #2 {26entry:27 ret float 4.000000e+0028}29 30; CHECK: foov31; CHECK: movss32 33define float @_Z3bazv() #0 {34entry:35 ret float 4.000000e+0036}37 38; CHECK: bazv39; CHECK: vmovss40 41define <2 x i64> @foo(<2 x i64> %a) #3 {42entry:43 %a.addr = alloca <2 x i64>, align 1644 store <2 x i64> %a, ptr %a.addr, align 1645 %0 = load <2 x i64>, ptr %a.addr, align 1646 %1 = call <2 x i64> @llvm.x86.aesni.aeskeygenassist(<2 x i64> %0, i8 4)47 ret <2 x i64> %148}49 50; Function Attrs: nounwind readnone51declare <2 x i64> @llvm.x86.aesni.aeskeygenassist(<2 x i64>, i8)52 53; CHECK: foo54; CHECK: aeskeygenassist55 56; Function Attrs: nounwind uwtable57define i32 @bar(i32 %crc, ptr %a) #3 {58entry:59 %crc.addr = alloca i32, align 460 %a.addr = alloca ptr, align 861 store i32 %crc, ptr %crc.addr, align 462 store ptr %a, ptr %a.addr, align 863 %0 = load i32, ptr %crc.addr, align 464 %1 = load ptr, ptr %a.addr, align 865 %incdec.ptr = getelementptr inbounds i8, ptr %1, i32 166 store ptr %incdec.ptr, ptr %a.addr, align 867 %2 = load i8, ptr %1, align 168 %3 = call i32 @llvm.x86.sse42.crc32.32.8(i32 %0, i8 %2)69 ret i32 %370}71 72; Function Attrs: nounwind readnone73declare i32 @llvm.x86.sse42.crc32.32.8(i32, i8)74 75; CHECK: bar76; CHECK: crc32b77 78attributes #0 = { "target-cpu"="x86-64" "target-features"="+avx2" }79attributes #1 = { "target-cpu"="x86-64" }80attributes #2 = { "target-cpu"="corei7" "target-features"="+sse4.2" }81attributes #3 = { "target-cpu"="x86-64" "target-features"="+avx2,+aes,+crc32" }82