atomic-add.ll
9.19 KB
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; 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 ; <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 ; <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 ; <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 ; <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 ; <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 ; <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
}