; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=i386-unknown-linux-gnu -mattr=-slow-incdec < %s | FileCheck -check-prefix=CHECK -check-prefix=INCDEC %s ; RUN: llc -mtriple=i386-unknown-linux-gnu -mattr=+slow-incdec < %s | FileCheck -check-prefix=CHECK -check-prefix=ADD %s define i32 @inc(i32 %x) { ; INCDEC-LABEL: inc: ; INCDEC: # %bb.0: ; INCDEC-NEXT: movl {{[0-9]+}}(%esp), %eax ; INCDEC-NEXT: incl %eax ; INCDEC-NEXT: retl ; ; ADD-LABEL: inc: ; ADD: # %bb.0: ; ADD-NEXT: movl {{[0-9]+}}(%esp), %eax ; ADD-NEXT: addl $1, %eax ; ADD-NEXT: retl %r = add i32 %x, 1 ret i32 %r } define i32 @dec(i32 %x) { ; INCDEC-LABEL: dec: ; INCDEC: # %bb.0: ; INCDEC-NEXT: movl {{[0-9]+}}(%esp), %eax ; INCDEC-NEXT: decl %eax ; INCDEC-NEXT: retl ; ; ADD-LABEL: dec: ; ADD: # %bb.0: ; ADD-NEXT: movl {{[0-9]+}}(%esp), %eax ; ADD-NEXT: addl $-1, %eax ; ADD-NEXT: retl %r = add i32 %x, -1 ret i32 %r } define i32 @inc_size(i32 %x) optsize { ; CHECK-LABEL: inc_size: ; CHECK: # %bb.0: ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax ; CHECK-NEXT: incl %eax ; CHECK-NEXT: retl %r = add i32 %x, 1 ret i32 %r } define i32 @dec_size(i32 %x) optsize { ; CHECK-LABEL: dec_size: ; CHECK: # %bb.0: ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax ; CHECK-NEXT: decl %eax ; CHECK-NEXT: retl %r = add i32 %x, -1 ret i32 %r } define i32 @inc_pgso(i32 %x) !prof !14 { ; CHECK-LABEL: inc_pgso: ; CHECK: # %bb.0: ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax ; CHECK-NEXT: incl %eax ; CHECK-NEXT: retl %r = add i32 %x, 1 ret i32 %r } define i32 @dec_pgso(i32 %x) !prof !14 { ; CHECK-LABEL: dec_pgso: ; CHECK: # %bb.0: ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax ; CHECK-NEXT: decl %eax ; CHECK-NEXT: retl %r = add i32 %x, -1 ret i32 %r } declare {i32, i1} @llvm.uadd.with.overflow.i32(i32, i32) declare void @other(ptr ) nounwind; define void @cond_ae_to_cond_ne(ptr %p) nounwind { ; INCDEC-LABEL: cond_ae_to_cond_ne: ; INCDEC: # %bb.0: # %entry ; INCDEC-NEXT: movl {{[0-9]+}}(%esp), %eax ; INCDEC-NEXT: incl (%eax) ; INCDEC-NEXT: jne .LBB6_1 ; INCDEC-NEXT: # %bb.2: # %if.end4 ; INCDEC-NEXT: jmp other@PLT # TAILCALL ; INCDEC-NEXT: .LBB6_1: # %return ; INCDEC-NEXT: retl ; ; ADD-LABEL: cond_ae_to_cond_ne: ; ADD: # %bb.0: # %entry ; ADD-NEXT: movl {{[0-9]+}}(%esp), %eax ; ADD-NEXT: addl $1, (%eax) ; ADD-NEXT: jne .LBB6_1 ; ADD-NEXT: # %bb.2: # %if.end4 ; ADD-NEXT: jmp other@PLT # TAILCALL ; ADD-NEXT: .LBB6_1: # %return ; ADD-NEXT: retl entry: %t0 = load i32, ptr %p, align 8 %add_ov = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %t0, i32 1) %inc = extractvalue { i32, i1 } %add_ov, 0 store i32 %inc, ptr %p, align 8 %ov = extractvalue { i32, i1 } %add_ov, 1 br i1 %ov, label %if.end4, label %return if.end4: tail call void @other(ptr %p) nounwind br label %return return: ret void } @a = common global i8 0, align 1 @d = common global i8 0, align 1 declare void @external_a() declare void @external_b() declare {i8, i1} @llvm.uadd.with.overflow.i8(i8, i8) define void @test_tail_call(ptr %ptr) nounwind { ; INCDEC-LABEL: test_tail_call: ; INCDEC: # %bb.0: # %entry ; INCDEC-NEXT: movl {{[0-9]+}}(%esp), %eax ; INCDEC-NEXT: incl (%eax) ; INCDEC-NEXT: setne %al ; INCDEC-NEXT: incb a ; INCDEC-NEXT: sete d ; INCDEC-NEXT: testb %al, %al ; INCDEC-NEXT: jne .LBB7_2 ; INCDEC-NEXT: # %bb.1: # %then ; INCDEC-NEXT: jmp external_a@PLT # TAILCALL ; INCDEC-NEXT: .LBB7_2: # %else ; INCDEC-NEXT: jmp external_b@PLT # TAILCALL ; ; ADD-LABEL: test_tail_call: ; ADD: # %bb.0: # %entry ; ADD-NEXT: movl {{[0-9]+}}(%esp), %eax ; ADD-NEXT: addl $1, (%eax) ; ADD-NEXT: setne %al ; ADD-NEXT: addb $1, a ; ADD-NEXT: sete d ; ADD-NEXT: testb %al, %al ; ADD-NEXT: jne .LBB7_2 ; ADD-NEXT: # %bb.1: # %then ; ADD-NEXT: jmp external_a@PLT # TAILCALL ; ADD-NEXT: .LBB7_2: # %else ; ADD-NEXT: jmp external_b@PLT # TAILCALL entry: %val = load i32, ptr %ptr %add_ov = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %val, i32 1) %inc = extractvalue { i32, i1 } %add_ov, 0 store i32 %inc, ptr %ptr %cmp = extractvalue { i32, i1 } %add_ov, 1 %aval = load volatile i8, ptr @a %add_ov2 = call {i8, i1} @llvm.uadd.with.overflow.i8(i8 %aval, i8 1) %inc2 = extractvalue { i8, i1 } %add_ov2, 0 store volatile i8 %inc2, ptr @a %cmp2 = extractvalue { i8, i1 } %add_ov2, 1 %conv5 = zext i1 %cmp2 to i8 store i8 %conv5, ptr @d br i1 %cmp, label %then, label %else then: tail call void @external_a() ret void else: tail call void @external_b() 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}