191 lines
5.2 KiB
LLVM
191 lines
5.2 KiB
LLVM
|
; 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(i32* ) nounwind;
|
||
|
|
|
||
|
|
define void @cond_ae_to_cond_ne(i32* %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, i32* %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, i32* %p, align 8
|
||
|
|
%ov = extractvalue { i32, i1 } %add_ov, 1
|
||
|
|
br i1 %ov, label %if.end4, label %return
|
||
|
|
|
||
|
|
if.end4:
|
||
|
|
tail call void @other(i32* %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(i32* %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, i32* %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, i32* %ptr
|
||
|
|
%cmp = extractvalue { i32, i1 } %add_ov, 1
|
||
|
|
%aval = load volatile i8, i8* @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, i8* @a
|
||
|
|
%cmp2 = extractvalue { i8, i1 } %add_ov2, 1
|
||
|
|
%conv5 = zext i1 %cmp2 to i8
|
||
|
|
store i8 %conv5, i8* @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}
|