| ; RUN: opt -S -lowerbitsets < %s | FileCheck %s |
| |
| ; Tests that we correctly handle external references, including the case where |
| ; all functions in a bitset are external references. |
| |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| declare void @foo() |
| |
| ; CHECK: @[[JT:.*]] = private constant [1 x <{ i8, i32, i8, i8, i8 }>] [<{ i8, i32, i8, i8, i8 }> <{ i8 -23, i32 trunc (i64 sub (i64 sub (i64 ptrtoint (void ()* @foo to i64), i64 ptrtoint ([1 x <{ i8, i32, i8, i8, i8 }>]* @[[JT]] to i64)), i64 5) to i32), i8 -52, i8 -52, i8 -52 }>], section ".text" |
| |
| define i1 @bar(i8* %ptr) { |
| ; CHECK: icmp eq i64 {{.*}}, ptrtoint ([1 x <{ i8, i32, i8, i8, i8 }>]* @[[JT]] to i64) |
| %p = call i1 @llvm.bitset.test(i8* %ptr, metadata !"void") |
| ret i1 %p |
| } |
| |
| declare i1 @llvm.bitset.test(i8* %ptr, metadata %bitset) nounwind readnone |
| |
| !0 = !{!"void", void ()* @foo, i64 0} |
| |
| !llvm.bitsets = !{!0} |
