; 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 }