Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/CodeGen/BPF/remove_truncate_2.ll

@@ -1,65 +0,0 @@
-; RUN: llc < %s -march=bpf -verify-machineinstrs | FileCheck %s
-
-; Source code:
-; struct xdp_md {
-;   unsigned data;
-;   unsigned data_end;
-; };
-;
-; int gbl;
-; int xdp_dummy(struct xdp_md *xdp)
-; {
-;   char addr = *(char *)(long)xdp->data;
-;   if (gbl) {
-;     if (gbl == 1)
-;       return 1;
-;     if (addr == 1)
-;       return 3;
-;   } else if (addr == 0)
-;     return 2;
-;   return 0;
-; }
-
-%struct.xdp_md = type { i32, i32 }
-
-@gbl = common local_unnamed_addr global i32 0, align 4
-
-; Function Attrs: norecurse nounwind readonly
-define i32 @xdp_dummy(%struct.xdp_md* nocapture readonly %xdp) local_unnamed_addr #0 {
-entry:
-  %data = getelementptr inbounds %struct.xdp_md, %struct.xdp_md* %xdp, i64 0, i32 0
-  %0 = load i32, i32* %data, align 4
-  %conv = zext i32 %0 to i64
-  %1 = inttoptr i64 %conv to i8*
-  %2 = load i8, i8* %1, align 1
-; CHECK:  r1 = *(u32 *)(r1 + 0)
-; CHECK:  r1 = *(u8 *)(r1 + 0)
-  %3 = load i32, i32* @gbl, align 4
-  switch i32 %3, label %if.end [
-    i32 0, label %if.else
-    i32 1, label %cleanup
-  ]
-
-if.end:                                           ; preds = %entry
-  %cmp4 = icmp eq i8 %2, 1
-; CHECK:  r0 = 3
-; CHECK-NOT:  r1 &= 255
-; CHECK:  if r1 == 1 goto
-  br i1 %cmp4, label %cleanup, label %if.end13
-
-if.else:                                          ; preds = %entry
-  %cmp9 = icmp eq i8 %2, 0
-; CHECK:  r0 = 2
-; CHECK-NOT:  r1 &= 255
-; CHECK:  if r1 == 0 goto
-  br i1 %cmp9, label %cleanup, label %if.end13
-
-if.end13:                                         ; preds = %if.else, %if.end
-  br label %cleanup
-
-cleanup:                                          ; preds = %if.else, %if.end, %entry, %if.end13
-  %retval.0 = phi i32 [ 0, %if.end13 ], [ 1, %entry ], [ 3, %if.end ], [ 2, %if.else ]
-  ret i32 %retval.0
-}
-
-attributes #0 = { norecurse nounwind readonly }