1 ; RUN: llc -march=x86-64 -no-integrated-as < %s | FileCheck %s 2 ; PR3701 3 4 define i64 @t(i64* %arg) nounwind { 5 br i1 true, label %1, label %5 6 7 ; <label>:1 ; preds = %0 8 %2 = icmp eq i64* null, %arg ; <i1> [#uses=1] 9 %3 = tail call i64* asm sideeffect "movl %fs:0,$0", "=r,~{dirflag},~{fpsr},~{flags}"() nounwind ; <%struct.thread*> [#uses=0] 10 ; CHECK: test 11 ; CHECK-NEXT: j 12 br i1 %2, label %4, label %5 13 14 ; <label>:4 ; preds = %1 15 ret i64 1 16 17 ; <label>:5 ; preds = %1 18 ret i64 0 19 } 20 21 ; Make sure that we translate this to the bswap intrinsic which lowers down without the 22 ; inline assembly. 23 ; CHECK-NOT: #APP 24 define i32 @s(i32 %argc, i8** nocapture %argv) unnamed_addr nounwind { 25 entry: 26 %0 = trunc i32 %argc to i16 27 %asmtmp = tail call i16 asm "rorw $$8, ${0:w}", "=r,0,~{fpsr},~{flags},~{cc}"(i16 %0) nounwind, !srcloc !0 28 %1 = zext i16 %asmtmp to i32 29 ret i32 %1 30 } 31 32 !0 = !{i64 935930} 33
