vendor/llvm/llvm-trunk-r257626

1 files changed, 58 insertions, 0 deletions

diff --git a/test/CodeGen/Hexagon/bit-phi.ll b/test/CodeGen/Hexagon/bit-phi.ll
new file mode 100644
index 000000000000..86b18d8bf256
--- /dev/null
+++ b/test/CodeGen/Hexagon/bit-phi.ll
@@ -0,0 +1,58 @@
+; RUN: llc -march=hexagon < %s
+; REQUIRES: asserts
+
+target datalayout = "e-m:e-p:32:32-i1:32-i64:64-a:0-v32:32-n16:32"
+target triple = "hexagon-unknown--elf"
+
+%struct.item = type { i32, i8*, i8*, i32, i8, i8, i16, i32, i8, i16, i32 }
+
+declare %struct.item* @foo(%struct.item*, i8*, i32) #1
+
+; Function Attrs: nounwind
+define i32 @bar(%struct.item** %ptr, i8* %buf, i32 %c, i8* %d, i32 %e) #1 {
+entry:
+  br i1 undef, label %return, label %if.end
+
+if.end:                                           ; preds = %entry
+  br i1 undef, label %while.cond13.preheader, label %if.end3
+
+if.end3:                                          ; preds = %if.end
+  br label %while.cond13.preheader
+
+while.cond13.preheader:                           ; preds = %if.end3, %if.end
+  br i1 undef, label %while.body20, label %return
+
+while.body20:                                     ; preds = %if.end38, %while.cond13.preheader
+  %addr.0100 = phi i32 [ undef, %if.end38 ], [ %c, %while.cond13.preheader ]
+  %cond = select i1 undef, i32 %addr.0100, i32 undef
+  br i1 undef, label %while.body20.if.end38_crit_edge, label %if.then32
+
+while.body20.if.end38_crit_edge:                  ; preds = %while.body20
+  %conv39.pre = and i32 %cond, 65535
+  br label %if.end38
+
+if.then32:                                        ; preds = %while.body20
+  %conv33 = and i32 %cond, 65535
+  %.pre = load %struct.item*, %struct.item** %ptr, align 4, !tbaa !1
+  br label %if.end38
+
+if.end38:                                         ; preds = %if.then32, %while.body20.if.end38_crit_edge
+  %conv39.pre-phi = phi i32 [ %conv39.pre, %while.body20.if.end38_crit_edge ], [ %conv33, %if.then32 ]
+  %0 = phi %struct.item* [ undef, %while.body20.if.end38_crit_edge ], [ %.pre, %if.then32 ]
+  %add = add i32 %conv39.pre-phi, 0
+  %call52 = tail call %struct.item* @foo(%struct.item* %0, i8* %d, i32 %e) #1
+  br i1 undef, label %while.body20, label %return
+
+return:                                           ; preds = %if.end38, %while.cond13.preheader, %entry
+  %retval.0 = phi i32 [ 0, %entry ], [ 0, %while.cond13.preheader ], [ %add, %if.end38 ]
+  ret i32 %retval.0
+}
+
+
+attributes #0 = { nounwind readonly }
+attributes #1 = { nounwind }
+
+!1 = !{!2, !2, i64 0}
+!2 = !{!"any pointer", !3, i64 0}
+!3 = !{!"omnipotent char", !4, i64 0}
+!4 = !{!"Simple C/C++ TBAA"}