| ; RUN: llc -mtriple=aarch64-none-linux-gnu -verify-machineinstrs -o - %s | FileCheck %s | |
| ; We used to not mark NZCV as being used in the continuation basic-block | |
| ; when lowering a 128-bit "select" to branches. This meant a subsequent use | |
| ; of the same flags gave an internal fault here. | |
| declare void @foo(fp128) | |
| define double @test_f128csel_flags(i32 %lhs, fp128 %a, fp128 %b) nounwind { | |
| ; CHECK: test_f128csel_flags | |
| %tst = icmp ne i32 %lhs, 42 | |
| %val = select i1 %tst, fp128 %a, fp128 %b | |
| ; CHECK: cmp w0, #42 | |
| ; CHECK: b.eq .LBB0 | |
| call void @foo(fp128 %val) | |
| %retval = select i1 %tst, double 4.0, double 5.0 | |
| ; It's also reasonably important that the actual fcsel comes before the | |
| ; function call since bl may corrupt NZCV. We were doing the right thing anyway, | |
| ; but just as well test it while we're here. | |
| ; CHECK: fcsel {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}, ne | |
| ; CHECK: bl foo | |
| ret double %retval | |
| } |