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1; RUN: llc -verify-machineinstrs < %s | FileCheck %s2target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"3target triple = "i686-pc-windows-msvc18.0.0"4 5%struct.T = type { i64, [3 x i32] }6 7; Function Attrs: nounwind optsize8define void @f(ptr %p, ptr %q, ptr inalloca(i32) nocapture %unused) #0 {9entry:10 %g = alloca %struct.T, align 811 %r = alloca i32, align 812 store i32 0, ptr %r, align 413 call void @llvm.memcpy.p0.p0.i32(ptr align 8 %p, ptr align 8 %q, i32 24, i1 false)14 br label %while.body15 16while.body: ; preds = %while.body, %entry17 %load = load i32, ptr %r, align 418 %dec = add nsw i32 %load, -119 store i32 %dec, ptr %r, align 420 call void @g(ptr %g)21 %tobool = icmp eq i32 %dec, 022 br i1 %tobool, label %while.end, label %while.body23 24while.end: ; preds = %while.body25 ret void26}27 28define void @f_pgso(ptr %p, ptr %q, ptr inalloca(i32) nocapture %unused) !prof !14 {29entry:30 %g = alloca %struct.T, align 831 %r = alloca i32, align 832 store i32 0, ptr %r, align 433 call void @llvm.memcpy.p0.p0.i32(ptr align 8 %p, ptr align 8 %q, i32 24, i1 false)34 br label %while.body35 36while.body: ; preds = %while.body, %entry37 %load = load i32, ptr %r, align 438 %dec = add nsw i32 %load, -139 store i32 %dec, ptr %r, align 440 call void @g(ptr %g)41 %tobool = icmp eq i32 %dec, 042 br i1 %tobool, label %while.end, label %while.body43 44while.end: ; preds = %while.body45 ret void46}47 48; Function Attrs: argmemonly nounwind49declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i1) #150 51declare void @g(ptr)52 53; CHECK-LABEL: _f:54; CHECK: pushl %ebp55; CHECK: movl %esp, %ebp56; CHECK: andl $-8, %esp57; CHECK-NOT: movl %esp, %esi58; CHECK: rep;movsl59; CHECK: leal 8(%esp), %esi60 61; CHECK: decl (%esp)62; CHECK: setne %[[NE_REG:.*]]63; CHECK: pushl %esi64; CHECK: calll _g65; CHECK: addl $4, %esp66; CHECK: testb %[[NE_REG]], %[[NE_REG]]67; CHECK: jne68 69; CHECK-LABEL: _f_pgso:70; CHECK: pushl %ebp71; CHECK: movl %esp, %ebp72; CHECK: andl $-8, %esp73; CHECK-NOT: movl %esp, %esi74; CHECK: rep;movsl75; CHECK: leal 8(%esp), %esi76 77; CHECK: decl (%esp)78; CHECK: setne %[[NE_REG:.*]]79; CHECK: pushl %esi80; CHECK: calll _g81; CHECK: addl $4, %esp82; CHECK: testb %[[NE_REG]], %[[NE_REG]]83; CHECK: jne84 85attributes #0 = { nounwind optsize }86attributes #1 = { argmemonly nounwind }87 88!llvm.module.flags = !{!0}89!0 = !{i32 1, !"ProfileSummary", !1}90!1 = !{!2, !3, !4, !5, !6, !7, !8, !9}91!2 = !{!"ProfileFormat", !"InstrProf"}92!3 = !{!"TotalCount", i64 10000}93!4 = !{!"MaxCount", i64 10}94!5 = !{!"MaxInternalCount", i64 1}95!6 = !{!"MaxFunctionCount", i64 1000}96!7 = !{!"NumCounts", i64 3}97!8 = !{!"NumFunctions", i64 3}98!9 = !{!"DetailedSummary", !10}99!10 = !{!11, !12, !13}100!11 = !{i32 10000, i64 100, i32 1}101!12 = !{i32 999000, i64 100, i32 1}102!13 = !{i32 999999, i64 1, i32 2}103!14 = !{!"function_entry_count", i64 0}104