llvm-for-llvmta/test/CodeGen/BPF/32-bit-subreg-zext.ll

22 lines
555 B
LLVM

; RUN: llc -O2 -march=bpfel -mattr=+alu32 < %s | FileCheck %s
; RUN: llc -O2 -march=bpfel -mcpu=v3 < %s | FileCheck %s
; RUN: llc -O2 -march=bpfeb -mattr=+alu32 < %s | FileCheck %s
; RUN: llc -O2 -march=bpfeb -mcpu=v3 < %s | FileCheck %s
;
; long zext(unsigned int a)
; {
; long b = a;
; return b;
; }
; Function Attrs: norecurse nounwind
define dso_local i64 @zext(i32 %a) local_unnamed_addr #0 {
entry:
%conv = zext i32 %a to i64
; CHECK-NOT: r[[#]] <<= 32
; CHECK-NOT: r[[#]] >>= 32
ret i64 %conv
}
attributes #0 = { norecurse nounwind }