| ; RUN: opt -hotcoldsplit -hotcoldsplit-threshold=-1 -S < %s | FileCheck %s |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.14.0" |
| |
| @c = common global i32 0, align 4 |
| @h = common global i32 0, align 4 |
| |
| declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) #1 |
| |
| declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) #1 |
| |
| declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1 immarg) #1 |
| |
| declare i32* @m() |
| |
| ; CHECK-LABEL: define void @main() |
| ; CHECK-NEXT: %.sroa.4.i = alloca [20 x i8], align 2 |
| ; CHECK-NEXT: %.sroa.5.i = alloca [6 x i8], align 8 |
| ; CHECK-NEXT: %1 = bitcast [6 x i8]* %.sroa.5.i to i8* |
| |
| define void @main() #0 { |
| %.sroa.4.i = alloca [20 x i8], align 2 |
| %.sroa.5.i = alloca [6 x i8], align 8 |
| %1 = bitcast [6 x i8]* %.sroa.5.i to i8* |
| %2 = load i32, i32* @h, align 4, !tbaa !4 |
| %3 = icmp ne i32 %2, 0 |
| br i1 %3, label %12, label %4 |
| |
| 4: ; preds = %0 |
| %5 = call i32* @m() #3 |
| %.sroa.4.0..sroa_idx21.i = getelementptr inbounds [20 x i8], [20 x i8]* %.sroa.4.i, i64 0, i64 0 |
| call void @llvm.lifetime.start.p0i8(i64 20, i8* %.sroa.4.0..sroa_idx21.i) #3 |
| %.sroa.5.0..sroa_idx16.i = getelementptr inbounds [6 x i8], [6 x i8]* %.sroa.5.i, i64 0, i64 0 |
| call void @llvm.lifetime.start.p0i8(i64 6, i8* %.sroa.5.0..sroa_idx16.i) #3 |
| call void @llvm.memset.p0i8.i64(i8* align 2 %.sroa.4.0..sroa_idx21.i, i8 0, i64 20, i1 false) #3 |
| call void @llvm.memset.p0i8.i64(i8* align 8 %.sroa.5.0..sroa_idx16.i, i8 0, i64 6, i1 false) #3 |
| %6 = load i32, i32* @c, align 4, !tbaa !4 |
| %7 = trunc i32 %6 to i16 |
| call void @llvm.lifetime.end.p0i8(i64 20, i8* %.sroa.4.0..sroa_idx21.i) #3 |
| call void @llvm.lifetime.end.p0i8(i64 6, i8* %.sroa.5.0..sroa_idx16.i) #3 |
| call void @llvm.lifetime.start.p0i8(i64 6, i8* %1) #3 |
| call void @llvm.memset.p0i8.i64(i8* align 1 %1, i8 3, i64 6, i1 false) |
| br label %8 |
| |
| 8: ; preds = %8, %4 |
| %.0.i = phi i32 [ 0, %4 ], [ %10, %8 ] |
| %9 = sext i32 %.0.i to i64 |
| %10 = add nsw i32 %.0.i, 1 |
| %11 = icmp slt i32 %10, 6 |
| br i1 %11, label %8, label %l.exit |
| |
| l.exit: ; preds = %8 |
| call void @llvm.lifetime.end.p0i8(i64 6, i8* %1) #3 |
| br label %12 |
| |
| 12: ; preds = %l.exit, %0 |
| %13 = phi i1 [ true, %0 ], [ true, %l.exit ] |
| ret void |
| } |
| |
| attributes #0 = { cold } |
| |
| !llvm.module.flags = !{!0, !1, !2} |
| !llvm.ident = !{!3} |
| |
| !0 = !{i32 2, !"SDK Version", [2 x i32] [i32 10, i32 14]} |
| !1 = !{i32 1, !"wchar_size", i32 4} |
| !2 = !{i32 7, !"PIC Level", i32 2} |
| !3 = !{!"Apple clang version 11.0.0 (clang-1100.0.20.17)"} |
| !4 = !{!5, !5, i64 0} |
| !5 = !{!"int", !6, i64 0} |
| !6 = !{!"omnipotent char", !7, i64 0} |
| !7 = !{!"Simple C/C++ TBAA"} |