; 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(i32* 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 i32* %p, i32 %v monotonic ret void } define void @inc4(i64* 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 i64* %p, i64 1 monotonic ret void } define void @add8(i64* 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 i64* %p, i64 2 monotonic ret void } define void @add4(i64* 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 ; [#uses=1] %1 = atomicrmw add i64* %p, i64 %0 monotonic ret void } define void @inc3(i8* 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 i8* %p, i8 1 monotonic ret void } define void @add7(i8* 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 i8* %p, i8 2 monotonic ret void } define void @add3(i8* 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 ; [#uses=1] %1 = atomicrmw add i8* %p, i8 %0 monotonic ret void } define void @inc2(i16* 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 i16* %p, i16 1 monotonic ret void } define void @add6(i16* 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 i16* %p, i16 2 monotonic ret void } define void @add2(i16* 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 ; [#uses=1] %1 = atomicrmw add i16* %p, i16 %0 monotonic ret void } define void @inc1(i32* 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 i32* %p, i32 1 monotonic ret void } define void @add5(i32* 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 i32* %p, i32 2 monotonic ret void } define void @add1(i32* 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 i32* %p, i32 %v monotonic ret void } define void @dec4(i64* 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 i64* %p, i64 1 monotonic ret void } define void @sub8(i64* 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 i64* %p, i64 2 monotonic ret void } define void @sub4(i64* 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 ; [#uses=1] %1 = atomicrmw sub i64* %p, i64 %0 monotonic ret void } define void @dec3(i8* 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 i8* %p, i8 1 monotonic ret void } define void @sub7(i8* 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 i8* %p, i8 2 monotonic ret void } define void @sub3(i8* 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 ; [#uses=1] %1 = atomicrmw sub i8* %p, i8 %0 monotonic ret void } define void @dec2(i16* 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 i16* %p, i16 1 monotonic ret void } define void @sub6(i16* 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 i16* %p, i16 2 monotonic ret void } define void @sub2(i16* 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 ; [#uses=1] %1 = atomicrmw sub i16* %p, i16 %0 monotonic ret void } define void @dec1(i32* 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 i32* %p, i32 1 monotonic ret void } define void @sub5(i32* 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 i32* %p, i32 2 monotonic ret void }