| ; RUN: llc -verify-machineinstrs < %s | FileCheck %s |
| target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" |
| target triple = "i686-pc-windows-msvc18.0.0" |
| |
| %struct.T = type { i64, [3 x i32] } |
| |
| ; Function Attrs: nounwind optsize |
| define void @f(i8* %p, i8* %q, i32* inalloca(i32) nocapture %unused) #0 { |
| entry: |
| %g = alloca %struct.T, align 8 |
| %r = alloca i32, align 8 |
| store i32 0, i32* %r, align 4 |
| call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 8 %p, i8* align 8 %q, i32 24, i1 false) |
| br label %while.body |
| |
| while.body: ; preds = %while.body, %entry |
| %load = load i32, i32* %r, align 4 |
| %dec = add nsw i32 %load, -1 |
| store i32 %dec, i32* %r, align 4 |
| call void @g(%struct.T* %g) |
| %tobool = icmp eq i32 %dec, 0 |
| br i1 %tobool, label %while.end, label %while.body |
| |
| while.end: ; preds = %while.body |
| ret void |
| } |
| |
| define void @f_pgso(i8* %p, i8* %q, i32* inalloca(i32) nocapture %unused) !prof !14 { |
| entry: |
| %g = alloca %struct.T, align 8 |
| %r = alloca i32, align 8 |
| store i32 0, i32* %r, align 4 |
| call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 8 %p, i8* align 8 %q, i32 24, i1 false) |
| br label %while.body |
| |
| while.body: ; preds = %while.body, %entry |
| %load = load i32, i32* %r, align 4 |
| %dec = add nsw i32 %load, -1 |
| store i32 %dec, i32* %r, align 4 |
| call void @g(%struct.T* %g) |
| %tobool = icmp eq i32 %dec, 0 |
| br i1 %tobool, label %while.end, label %while.body |
| |
| while.end: ; preds = %while.body |
| ret void |
| } |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i1) #1 |
| |
| declare void @g(%struct.T*) |
| |
| ; CHECK-LABEL: _f: |
| ; CHECK: pushl %ebp |
| ; CHECK: movl %esp, %ebp |
| ; CHECK: andl $-8, %esp |
| ; CHECK-NOT: movl %esp, %esi |
| ; CHECK: rep;movsl |
| ; CHECK: leal 8(%esp), %esi |
| |
| ; CHECK: decl (%esp) |
| ; CHECK: setne %[[NE_REG:.*]] |
| ; CHECK: pushl %esi |
| ; CHECK: calll _g |
| ; CHECK: addl $4, %esp |
| ; CHECK: testb %[[NE_REG]], %[[NE_REG]] |
| ; CHECK: jne |
| |
| ; CHECK-LABEL: _f_pgso: |
| ; CHECK: pushl %ebp |
| ; CHECK: movl %esp, %ebp |
| ; CHECK: andl $-8, %esp |
| ; CHECK-NOT: movl %esp, %esi |
| ; CHECK: rep;movsl |
| ; CHECK: leal 8(%esp), %esi |
| |
| ; CHECK: decl (%esp) |
| ; CHECK: setne %[[NE_REG:.*]] |
| ; CHECK: pushl %esi |
| ; CHECK: calll _g |
| ; CHECK: addl $4, %esp |
| ; CHECK: testb %[[NE_REG]], %[[NE_REG]] |
| ; CHECK: jne |
| |
| attributes #0 = { nounwind optsize } |
| attributes #1 = { argmemonly nounwind } |
| |
| !llvm.module.flags = !{!0} |
| !0 = !{i32 1, !"ProfileSummary", !1} |
| !1 = !{!2, !3, !4, !5, !6, !7, !8, !9} |
| !2 = !{!"ProfileFormat", !"InstrProf"} |
| !3 = !{!"TotalCount", i64 10000} |
| !4 = !{!"MaxCount", i64 10} |
| !5 = !{!"MaxInternalCount", i64 1} |
| !6 = !{!"MaxFunctionCount", i64 1000} |
| !7 = !{!"NumCounts", i64 3} |
| !8 = !{!"NumFunctions", i64 3} |
| !9 = !{!"DetailedSummary", !10} |
| !10 = !{!11, !12, !13} |
| !11 = !{i32 10000, i64 100, i32 1} |
| !12 = !{i32 999000, i64 100, i32 1} |
| !13 = !{i32 999999, i64 1, i32 2} |
| !14 = !{!"function_entry_count", i64 0} |