| Peter Collingbourne | 8d24ae9 | 2015-09-08 22:49:35 +0000 | [diff] [blame] | 1 | ; RUN: opt -S -lowerbitsets < %s | FileCheck %s |
| 2 | |
| 3 | ; Tests that we correctly handle external references, including the case where |
| 4 | ; all functions in a bitset are external references. |
| 5 | |
| 6 | target triple = "x86_64-unknown-linux-gnu" |
| 7 | |
| 8 | declare void @foo() |
| 9 | |
| 10 | ; 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" |
| 11 | |
| 12 | define i1 @bar(i8* %ptr) { |
| 13 | ; CHECK: icmp eq i64 {{.*}}, ptrtoint ([1 x <{ i8, i32, i8, i8, i8 }>]* @[[JT]] to i64) |
| 14 | %p = call i1 @llvm.bitset.test(i8* %ptr, metadata !"void") |
| 15 | ret i1 %p |
| 16 | } |
| 17 | |
| 18 | declare i1 @llvm.bitset.test(i8* %ptr, metadata %bitset) nounwind readnone |
| 19 | |
| 20 | !0 = !{!"void", void ()* @foo, i64 0} |
| 21 | |
| 22 | !llvm.bitsets = !{!0} |