[llvm] r267174 - [Hexagon] Properly close live range in HexagonBlockRanges ---add testcase

[Krzysztof Parzyszek via llvm-commits]

Author: kparzysz
Date: Fri Apr 22 12:30:13 2016
New Revision: 267174

URL: http://llvm.org/viewvc/llvm-project?rev=267174&view=rev
Log:
[Hexagon] Properly close live range in HexagonBlockRanges ---add testcase

Added:
    llvm/trunk/test/CodeGen/Hexagon/block-ranges-nodef.ll

Added: llvm/trunk/test/CodeGen/Hexagon/block-ranges-nodef.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Hexagon/block-ranges-nodef.ll?rev=267174&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/Hexagon/block-ranges-nodef.ll (added)
+++ llvm/trunk/test/CodeGen/Hexagon/block-ranges-nodef.ll Fri Apr 22 12:30:13 2016
@@ -0,0 +1,55 @@
+; RUN: llc -march=hexagon < %s
+; REQUIRES: asserts
+
+target triple = "hexagon"
+
+declare void @foo() #0
+
+define hidden fastcc void @fred(i32 %a, i64 %b, i64 %c) unnamed_addr #1 {
+entry:
+  %cmp17 = icmp ne i64 %c, 0
+  %conv19 = zext i1 %cmp17 to i64
+  %or = or i64 %conv19, %b
+  store i64 %or, i64* undef, align 8
+  br i1 undef, label %if.then44, label %if.end96
+
+if.then44:                                        ; preds = %entry
+  br i1 undef, label %overflow, label %lor.lhs.false
+
+lor.lhs.false:                                    ; preds = %if.then44
+  br i1 undef, label %overflow, label %if.end52
+
+if.end52:                                         ; preds = %lor.lhs.false
+  br i1 undef, label %if.then55, label %if.end96
+
+if.then55:                                        ; preds = %if.end52
+  %cmp60 = icmp slt i32 %a, 0
+  %or.cond = or i1 %cmp60, false
+  %cmp63 = icmp ule i64 %or, undef
+  %.cmp63 = or i1 %cmp63, %or.cond
+  call void @foo()
+  %or.cond299 = and i1 %.cmp63, undef
+  br i1 %or.cond299, label %if.then72, label %if.end73
+
+if.then72:                                        ; preds = %if.then55
+  unreachable
+
+if.end73:                                         ; preds = %if.then55
+  unreachable
+
+if.end96:                                         ; preds = %if.end52, %entry
+  br i1 undef, label %if.end102, label %if.then98
+
+if.then98:                                        ; preds = %if.end96
+  br label %if.end102
+
+if.end102:                                        ; preds = %if.then98, %if.end96
+  unreachable
+
+overflow:                                         ; preds = %lor.lhs.false, %if.then44
+  ret void
+}
+
+attributes #0 = { noinline norecurse nounwind }
+attributes #1 = { noinline nounwind }
+