| ; RUN: llc -mtriple=x86_64-- -no-integrated-as < %s | FileCheck %s |
| ; PR3701 |
| |
| define i64 @t(i64* %arg) nounwind { |
| br i1 true, label %1, label %5 |
| |
| ; <label>:1 ; preds = %0 |
| %2 = icmp eq i64* null, %arg ; <i1> [#uses=1] |
| %3 = tail call i64* asm sideeffect "movl %fs:0,$0", "=r,~{dirflag},~{fpsr},~{flags}"() nounwind ; <%struct.thread*> [#uses=0] |
| ; CHECK: test |
| ; CHECK-NEXT: j |
| br i1 %2, label %4, label %5 |
| |
| ; <label>:4 ; preds = %1 |
| ret i64 1 |
| |
| ; <label>:5 ; preds = %1 |
| ret i64 0 |
| } |
| |
| ; Make sure that we translate this to the bswap intrinsic which lowers down without the |
| ; inline assembly. |
| ; CHECK-NOT: #APP |
| define i32 @s(i32 %argc, i8** nocapture %argv) unnamed_addr nounwind { |
| entry: |
| %0 = trunc i32 %argc to i16 |
| %asmtmp = tail call i16 asm "rorw $$8, ${0:w}", "=r,0,~{fpsr},~{flags},~{cc}"(i16 %0) nounwind, !srcloc !0 |
| %1 = zext i16 %asmtmp to i32 |
| ret i32 %1 |
| } |
| |
| !0 = !{i64 935930} |