[llvm] [Analysis] Attribute Range should not prevent tail call optimization (PR #91122)
Matt Arsenault via llvm-commits
llvm-commits at lists.llvm.org
Tue May 7 09:39:07 PDT 2024
================
@@ -21,3 +21,13 @@ entry:
%4 = musttail call i32 (ptr, ...) @foo(ptr null, ...)
ret i32 %4
}
+
+declare i64 @llvm.llround.f32(float) nounwind readnone
+define range(i64 0, 8) i64 @testmsxs(float %x) {
+; CHECK-LABEL: testmsxs:
+; CHECK: # %bb.0: # %entry
+; CHECK-NEXT: jmp llroundf at PLT # TAILCALL
+ entry:
+ %0 = tail call i64 @llvm.llround.f32(float %x)
+ ret i64 %0
----------------
arsenm wrote:
```suggestion
%ret = tail call i64 @llvm.llround.f32(float %x)
ret i64 %ret
```
https://github.com/llvm/llvm-project/pull/91122
More information about the llvm-commits
mailing list