test/Transforms/LowerBitSets/single-offset.ll

; RUN: opt -S -lowerbitsets < %s | FileCheck %s

target datalayout = "e-p:32:32"

; CHECK: [[G:@[^ ]*]] = private constant { i32, [0 x i8], i32 }
@a = constant i32 1
@b = constant i32 2

!0 = !{!"bitset1", i32* @a, i32 0}
!1 = !{!"bitset1", i32* @b, i32 0}
!2 = !{!"bitset2", i32* @a, i32 0}
!3 = !{!"bitset3", i32* @b, i32 0}

!llvm.bitsets = !{ !0, !1, !2, !3 }

declare i1 @llvm.bitset.test(i8* %ptr, metadata %bitset) nounwind readnone

; CHECK: @foo(i8* [[A0:%[^ ]*]])
define i1 @foo(i8* %p) {
  ; CHECK: [[R0:%[^ ]*]] = ptrtoint i8* [[A0]] to i32
  ; CHECK: [[R1:%[^ ]*]] = icmp eq i32 [[R0]], ptrtoint ({ i32, [0 x i8], i32 }* [[G]] to i32)
  %x = call i1 @llvm.bitset.test(i8* %p, metadata !"bitset2")
  ; CHECK: ret i1 [[R1]]
  ret i1 %x
}

; CHECK: @bar(i8* [[B0:%[^ ]*]])
define i1 @bar(i8* %p) {
  ; CHECK: [[S0:%[^ ]*]] = ptrtoint i8* [[B0]] to i32
  ; CHECK: [[S1:%[^ ]*]] = icmp eq i32 [[S0]], add (i32 ptrtoint ({ i32, [0 x i8], i32 }* [[G]] to i32), i32 4)
  %x = call i1 @llvm.bitset.test(i8* %p, metadata !"bitset3")
  ; CHECK: ret i1 [[S1]]
  ret i1 %x
}

; CHECK: @x(
define i1 @x(i8* %p) {
  %x = call i1 @llvm.bitset.test(i8* %p, metadata !"bitset1")
  ret i1 %x
}