; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ;RUN: llc < %s -mtriple=i686-- -mattr=-slow-incdec | FileCheck %s -check-prefixes=CHECK,SLOW ;RUN: llc < %s -mtriple=i686-- -mattr=+slow-incdec | FileCheck %s -check-prefixes=CHECK,FAST define void @foo(i32 inreg %dns) minsize { ; CHECK-LABEL: foo: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xorl %ecx, %ecx ; CHECK-NEXT: decl %ecx ; CHECK-NEXT: .LBB0_1: # %for.body ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: movzwl %cx, %edx ; CHECK-NEXT: decl %ecx ; CHECK-NEXT: cmpl %eax, %edx ; CHECK-NEXT: jl .LBB0_1 ; CHECK-NEXT: # %bb.2: # %for.end ; CHECK-NEXT: retl entry: br label %for.body for.body: %i.05 = phi i16 [ %dec, %for.body ], [ 0, %entry ] %dec = add i16 %i.05, -1 %conv = zext i16 %dec to i32 %cmp = icmp slt i32 %conv, %dns br i1 %cmp, label %for.body, label %for.end for.end: ret void } define void @bar(i32 inreg %dns) minsize { ; CHECK-LABEL: bar: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xorl %ecx, %ecx ; CHECK-NEXT: incl %ecx ; CHECK-NEXT: .LBB1_1: # %for.body ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: movzwl %cx, %edx ; CHECK-NEXT: incl %ecx ; CHECK-NEXT: cmpl %eax, %edx ; CHECK-NEXT: jl .LBB1_1 ; CHECK-NEXT: # %bb.2: # %for.end ; CHECK-NEXT: retl entry: br label %for.body for.body: %i.05 = phi i16 [ %inc, %for.body ], [ 0, %entry ] %inc = add i16 %i.05, 1 %conv = zext i16 %inc to i32 %cmp = icmp slt i32 %conv, %dns br i1 %cmp, label %for.body, label %for.end for.end: ret void } define void @foo_optsize(i32 inreg %dns) optsize { ; CHECK-LABEL: foo_optsize: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xorl %ecx, %ecx ; CHECK-NEXT: decl %ecx ; CHECK-NEXT: .LBB2_1: # %for.body ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: movzwl %cx, %edx ; CHECK-NEXT: decl %ecx ; CHECK-NEXT: cmpl %eax, %edx ; CHECK-NEXT: jl .LBB2_1 ; CHECK-NEXT: # %bb.2: # %for.end ; CHECK-NEXT: retl entry: br label %for.body for.body: %i.05 = phi i16 [ %dec, %for.body ], [ 0, %entry ] %dec = add i16 %i.05, -1 %conv = zext i16 %dec to i32 %cmp = icmp slt i32 %conv, %dns br i1 %cmp, label %for.body, label %for.end for.end: ret void } define void @bar_optsize(i32 inreg %dns) optsize { ; CHECK-LABEL: bar_optsize: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xorl %ecx, %ecx ; CHECK-NEXT: incl %ecx ; CHECK-NEXT: .LBB3_1: # %for.body ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: movzwl %cx, %edx ; CHECK-NEXT: incl %ecx ; CHECK-NEXT: cmpl %eax, %edx ; CHECK-NEXT: jl .LBB3_1 ; CHECK-NEXT: # %bb.2: # %for.end ; CHECK-NEXT: retl entry: br label %for.body for.body: %i.05 = phi i16 [ %inc, %for.body ], [ 0, %entry ] %inc = add i16 %i.05, 1 %conv = zext i16 %inc to i32 %cmp = icmp slt i32 %conv, %dns br i1 %cmp, label %for.body, label %for.end for.end: ret void } define void @foo_pgso(i32 inreg %dns) !prof !14 { ; CHECK-LABEL: foo_pgso: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xorl %ecx, %ecx ; CHECK-NEXT: decl %ecx ; CHECK-NEXT: .LBB4_1: # %for.body ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: movzwl %cx, %edx ; CHECK-NEXT: decl %ecx ; CHECK-NEXT: cmpl %eax, %edx ; CHECK-NEXT: jl .LBB4_1 ; CHECK-NEXT: # %bb.2: # %for.end ; CHECK-NEXT: retl entry: br label %for.body for.body: %i.05 = phi i16 [ %dec, %for.body ], [ 0, %entry ] %dec = add i16 %i.05, -1 %conv = zext i16 %dec to i32 %cmp = icmp slt i32 %conv, %dns br i1 %cmp, label %for.body, label %for.end for.end: ret void } define void @bar_pgso(i32 inreg %dns) !prof !14 { ; CHECK-LABEL: bar_pgso: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: xorl %ecx, %ecx ; CHECK-NEXT: incl %ecx ; CHECK-NEXT: .LBB5_1: # %for.body ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: movzwl %cx, %edx ; CHECK-NEXT: incl %ecx ; CHECK-NEXT: cmpl %eax, %edx ; CHECK-NEXT: jl .LBB5_1 ; CHECK-NEXT: # %bb.2: # %for.end ; CHECK-NEXT: retl entry: br label %for.body for.body: %i.05 = phi i16 [ %inc, %for.body ], [ 0, %entry ] %inc = add i16 %i.05, 1 %conv = zext i16 %inc to i32 %cmp = icmp slt i32 %conv, %dns br i1 %cmp, label %for.body, label %for.end for.end: ret void } define void @foo_nosize(i32 inreg %dns) { ; SLOW-LABEL: foo_nosize: ; SLOW: # %bb.0: # %entry ; SLOW-NEXT: movw $-1, %cx ; SLOW-NEXT: .p2align 4, 0x90 ; SLOW-NEXT: .LBB6_1: # %for.body ; SLOW-NEXT: # =>This Inner Loop Header: Depth=1 ; SLOW-NEXT: movzwl %cx, %edx ; SLOW-NEXT: decl %ecx ; SLOW-NEXT: cmpl %eax, %edx ; SLOW-NEXT: jl .LBB6_1 ; SLOW-NEXT: # %bb.2: # %for.end ; SLOW-NEXT: retl ; ; FAST-LABEL: foo_nosize: ; FAST: # %bb.0: # %entry ; FAST-NEXT: movw $-1, %cx ; FAST-NEXT: .p2align 4, 0x90 ; FAST-NEXT: .LBB6_1: # %for.body ; FAST-NEXT: # =>This Inner Loop Header: Depth=1 ; FAST-NEXT: movzwl %cx, %edx ; FAST-NEXT: addl $-1, %ecx ; FAST-NEXT: cmpl %eax, %edx ; FAST-NEXT: jl .LBB6_1 ; FAST-NEXT: # %bb.2: # %for.end ; FAST-NEXT: retl entry: br label %for.body for.body: %i.05 = phi i16 [ %dec, %for.body ], [ 0, %entry ] %dec = add i16 %i.05, -1 %conv = zext i16 %dec to i32 %cmp = icmp slt i32 %conv, %dns br i1 %cmp, label %for.body, label %for.end for.end: ret void } define void @bar_nosize(i32 inreg %dns) { ; SLOW-LABEL: bar_nosize: ; SLOW: # %bb.0: # %entry ; SLOW-NEXT: movw $1, %cx ; SLOW-NEXT: .p2align 4, 0x90 ; SLOW-NEXT: .LBB7_1: # %for.body ; SLOW-NEXT: # =>This Inner Loop Header: Depth=1 ; SLOW-NEXT: movzwl %cx, %edx ; SLOW-NEXT: incl %ecx ; SLOW-NEXT: cmpl %eax, %edx ; SLOW-NEXT: jl .LBB7_1 ; SLOW-NEXT: # %bb.2: # %for.end ; SLOW-NEXT: retl ; ; FAST-LABEL: bar_nosize: ; FAST: # %bb.0: # %entry ; FAST-NEXT: movw $1, %cx ; FAST-NEXT: .p2align 4, 0x90 ; FAST-NEXT: .LBB7_1: # %for.body ; FAST-NEXT: # =>This Inner Loop Header: Depth=1 ; FAST-NEXT: movzwl %cx, %edx ; FAST-NEXT: addl $1, %ecx ; FAST-NEXT: cmpl %eax, %edx ; FAST-NEXT: jl .LBB7_1 ; FAST-NEXT: # %bb.2: # %for.end ; FAST-NEXT: retl entry: br label %for.body for.body: %i.05 = phi i16 [ %inc, %for.body ], [ 0, %entry ] %inc = add i16 %i.05, 1 %conv = zext i16 %inc to i32 %cmp = icmp slt i32 %conv, %dns br i1 %cmp, label %for.body, label %for.end for.end: ret void } !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}