; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-- -verify-machineinstrs | FileCheck %s ; RUN: llc < %s -mtriple=x86_64-- -mattr=slow-incdec -verify-machineinstrs | FileCheck %s --check-prefix SLOW_INC ; rdar://7103704 define void @sub1(ptr nocapture %p, i32 %v) nounwind ssp { ; CHECK-LABEL: sub1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock subl %esi, (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: sub1: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock subl %esi, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = atomicrmw sub ptr %p, i32 %v monotonic ret void } define void @inc4(ptr nocapture %p) nounwind ssp { ; CHECK-LABEL: inc4: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock incq (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: inc4: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock addq $1, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = atomicrmw add ptr %p, i64 1 monotonic ret void } define void @add8(ptr nocapture %p) nounwind ssp { ; CHECK-LABEL: add8: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock addq $2, (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: add8: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock addq $2, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = atomicrmw add ptr %p, i64 2 monotonic ret void } define void @add4(ptr nocapture %p, i32 %v) nounwind ssp { ; CHECK-LABEL: add4: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: movslq %esi, %rax ; CHECK-NEXT: lock addq %rax, (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: add4: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: movslq %esi, %rax ; SLOW_INC-NEXT: lock addq %rax, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = sext i32 %v to i64 ; <i64> [#uses=1] %1 = atomicrmw add ptr %p, i64 %0 monotonic ret void } define void @inc3(ptr nocapture %p) nounwind ssp { ; CHECK-LABEL: inc3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock incb (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: inc3: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock addb $1, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = atomicrmw add ptr %p, i8 1 monotonic ret void } define void @add7(ptr nocapture %p) nounwind ssp { ; CHECK-LABEL: add7: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock addb $2, (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: add7: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock addb $2, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = atomicrmw add ptr %p, i8 2 monotonic ret void } define void @add3(ptr nocapture %p, i32 %v) nounwind ssp { ; CHECK-LABEL: add3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock addb %sil, (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: add3: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock addb %sil, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = trunc i32 %v to i8 ; <i8> [#uses=1] %1 = atomicrmw add ptr %p, i8 %0 monotonic ret void } define void @inc2(ptr nocapture %p) nounwind ssp { ; CHECK-LABEL: inc2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock incw (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: inc2: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock addw $1, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = atomicrmw add ptr %p, i16 1 monotonic ret void } define void @add6(ptr nocapture %p) nounwind ssp { ; CHECK-LABEL: add6: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock addw $2, (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: add6: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock addw $2, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = atomicrmw add ptr %p, i16 2 monotonic ret void } define void @add2(ptr nocapture %p, i32 %v) nounwind ssp { ; CHECK-LABEL: add2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock addw %si, (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: add2: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock addw %si, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = trunc i32 %v to i16 ; <i16> [#uses=1] %1 = atomicrmw add ptr %p, i16 %0 monotonic ret void } define void @inc1(ptr nocapture %p) nounwind ssp { ; CHECK-LABEL: inc1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock incl (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: inc1: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock addl $1, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = atomicrmw add ptr %p, i32 1 monotonic ret void } define void @add5(ptr nocapture %p) nounwind ssp { ; CHECK-LABEL: add5: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock addl $2, (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: add5: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock addl $2, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = atomicrmw add ptr %p, i32 2 monotonic ret void } define void @add1(ptr nocapture %p, i32 %v) nounwind ssp { ; CHECK-LABEL: add1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock addl %esi, (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: add1: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock addl %esi, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = atomicrmw add ptr %p, i32 %v monotonic ret void } define void @dec4(ptr nocapture %p) nounwind ssp { ; CHECK-LABEL: dec4: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock decq (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: dec4: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock subq $1, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = atomicrmw sub ptr %p, i64 1 monotonic ret void } define void @sub8(ptr nocapture %p) nounwind ssp { ; CHECK-LABEL: sub8: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock subq $2, (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: sub8: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock subq $2, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = atomicrmw sub ptr %p, i64 2 monotonic ret void } define void @sub4(ptr nocapture %p, i32 %v) nounwind ssp { ; CHECK-LABEL: sub4: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: movslq %esi, %rax ; CHECK-NEXT: lock subq %rax, (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: sub4: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: movslq %esi, %rax ; SLOW_INC-NEXT: lock subq %rax, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = sext i32 %v to i64 ; <i64> [#uses=1] %1 = atomicrmw sub ptr %p, i64 %0 monotonic ret void } define void @dec3(ptr nocapture %p) nounwind ssp { ; CHECK-LABEL: dec3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock decb (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: dec3: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock subb $1, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = atomicrmw sub ptr %p, i8 1 monotonic ret void } define void @sub7(ptr nocapture %p) nounwind ssp { ; CHECK-LABEL: sub7: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock subb $2, (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: sub7: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock subb $2, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = atomicrmw sub ptr %p, i8 2 monotonic ret void } define void @sub3(ptr nocapture %p, i32 %v) nounwind ssp { ; CHECK-LABEL: sub3: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock subb %sil, (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: sub3: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock subb %sil, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = trunc i32 %v to i8 ; <i8> [#uses=1] %1 = atomicrmw sub ptr %p, i8 %0 monotonic ret void } define void @dec2(ptr nocapture %p) nounwind ssp { ; CHECK-LABEL: dec2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock decw (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: dec2: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock subw $1, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = atomicrmw sub ptr %p, i16 1 monotonic ret void } define void @sub6(ptr nocapture %p) nounwind ssp { ; CHECK-LABEL: sub6: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock subw $2, (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: sub6: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock subw $2, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = atomicrmw sub ptr %p, i16 2 monotonic ret void } define void @sub2(ptr nocapture %p, i32 %v) nounwind ssp { ; CHECK-LABEL: sub2: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock subw %si, (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: sub2: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock subw %si, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = trunc i32 %v to i16 ; <i16> [#uses=1] %1 = atomicrmw sub ptr %p, i16 %0 monotonic ret void } define void @dec1(ptr nocapture %p) nounwind ssp { ; CHECK-LABEL: dec1: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock decl (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: dec1: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock subl $1, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = atomicrmw sub ptr %p, i32 1 monotonic ret void } define void @sub5(ptr nocapture %p) nounwind ssp { ; CHECK-LABEL: sub5: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: lock subl $2, (%rdi) ; CHECK-NEXT: retq ; ; SLOW_INC-LABEL: sub5: ; SLOW_INC: # %bb.0: # %entry ; SLOW_INC-NEXT: lock subl $2, (%rdi) ; SLOW_INC-NEXT: retq entry: %0 = atomicrmw sub ptr %p, i32 2 monotonic ret void }