llvm-for-llvmta/test/Transforms/Inline/inline-ptrtoint-different-s...

41 lines
881 B
LLVM

; RUN: opt < %s -inline -S | FileCheck %s
; InlineCost used to have problems with the ptrtoint, leading to
; crashes when visiting the trunc in pr47969_help and the icmp in
; pr38500_help.
target datalayout = "p:16:16"
target triple = "x86_64-unknown-linux-gnu"
define void @pr47969_help(i16* %p) {
%cast = ptrtoint i16* %p to i32
%sub = sub i32 %cast, %cast
%conv = trunc i32 %sub to i16
ret void
}
define void @pr47969(i16* %x) {
call void @pr47969_help(i16* %x)
ret void
}
; CHECK-LABEL: @pr47969(i16* %x)
; CHECK-NOT: call
; CHECK: ret void
define void @pr38500_help(i16* %p) {
%cast = ptrtoint i16* %p to i32
%sub = sub i32 %cast, %cast
%cmp = icmp eq i32 %sub, 0
ret void
}
define void @pr38500(i16* %x) {
call void @pr38500_help(i16* %x)
ret void
}
; CHECK-LABEL: @pr38500(i16* %x)
; CHECK-NOT: call
; CHECK: ret void