1 files changed, 53 insertions, 0 deletions
diff --git a/test/CodeGen/Hexagon/cmpb-eq.ll b/test/CodeGen/Hexagon/cmpb-eq.ll
new file mode 100644
index 000000000000..e59ed3e51c37
--- /dev/null
+++ b/test/CodeGen/Hexagon/cmpb-eq.ll
@@ -0,0 +1,53 @@
+; RUN: llc -march=hexagon < %s | FileCheck %s
+; CHECK-NOT: cmpb.eq(r{{[0-9]+}}, #-1)
+
+target datalayout = "e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-f64:64:64-f32:32:32-v64:64:64-v32:32:32-a0:0-n16:32"
+target triple = "hexagon"
+
+%struct.wms_address_s = type { i32, i32, i32, i32, i8, [48 x i8] }
+
+define zeroext i8 @qmi_wmsi_bin_to_addr(i8* %str, i8 zeroext %len, %struct.wms_address_s* %addr) nounwind optsize {
+entry:
+  %cmp = icmp eq i8* %str, null
+  %cmp2 = icmp eq %struct.wms_address_s* %addr, null
+  %or.cond = or i1 %cmp, %cmp2
+  br i1 %or.cond, label %if.then12, label %if.then
+
+if.then:                                          ; preds = %entry
+  %dec = add i8 %len, -1
+  %cmp3 = icmp ugt i8 %dec, 24
+  %tobool27 = icmp eq i8 %dec, 0
+  %or.cond31 = or i1 %cmp3, %tobool27
+  br i1 %or.cond31, label %if.then12, label %for.body.lr.ph
+
+for.body.lr.ph:                                   ; preds = %if.then
+  %dec626 = add i8 %len, -2
+  br label %for.body
+
+for.body:                                         ; preds = %for.body.lr.ph, %if.end21
+  %indvars.iv = phi i32 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %if.end21 ]
+  %dec630 = phi i8 [ %dec626, %for.body.lr.ph ], [ %dec6, %if.end21 ]
+  %str.pn = phi i8* [ %str, %for.body.lr.ph ], [ %str.addr.029, %if.end21 ]
+  %str.addr.029 = getelementptr inbounds i8, i8* %str.pn, i32 1
+  %0 = load i8, i8* %str.addr.029, align 1, !tbaa !0
+  %cmp10 = icmp ugt i8 %0, -49
+  br i1 %cmp10, label %if.then12.loopexit, label %if.end21
+
+if.then12.loopexit:                               ; preds = %if.end21, %for.body
+  br label %if.then12
+
+if.then12:                                        ; preds = %if.then12.loopexit, %if.then, %entry
+  ret i8 0
+
+if.end21:                                         ; preds = %for.body
+  %shr24 = lshr i8 %0, 4
+  %arrayidx = getelementptr inbounds %struct.wms_address_s, %struct.wms_address_s* %addr, i32 0, i32 5, i32 %indvars.iv
+  store i8 %shr24, i8* %arrayidx, align 1, !tbaa !0
+  %dec6 = add i8 %dec630, -1
+  %tobool = icmp eq i8 %dec630, 0
+  %indvars.iv.next = add i32 %indvars.iv, 1
+  br i1 %tobool, label %if.then12.loopexit, label %for.body
+}
+
+!0 = !{!"omnipotent char", !1}
+!1 = !{!"Simple C/C++ TBAA"}