[llvm] r339780 - [SystemZ] Add testcase for r339778

[Krzysztof Parzyszek via llvm-commits]

Author: kparzysz
Date: Wed Aug 15 08:43:13 2018
New Revision: 339780

URL: http://llvm.org/viewvc/llvm-project?rev=339780&view=rev
Log:
[SystemZ] Add testcase for r339778

Added:
    llvm/trunk/test/CodeGen/SystemZ/subregliveness-01.ll

Added: llvm/trunk/test/CodeGen/SystemZ/subregliveness-01.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/SystemZ/subregliveness-01.ll?rev=339780&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/SystemZ/subregliveness-01.ll (added)
+++ llvm/trunk/test/CodeGen/SystemZ/subregliveness-01.ll Wed Aug 15 08:43:13 2018
@@ -0,0 +1,48 @@
+; RUN: llc -mtriple=s390x-linux-gnu -mcpu=z13 -verify-machineinstrs -systemz-subreg-liveness < %s | FileCheck %s
+
+; Check for successful compilation.
+; CHECK: lgfrl %r0, g_399
+
+target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-v128:64-a:8:16-n32:64"
+target triple = "s390x-ibm-linux"
+
+ at g_439 = external global i32, align 4
+ at g_399 = external global { i8, i8, i8, i8, i8, i8 }, align 8
+
+; Function Attrs: nounwind
+define void @main() #0 {
+bb:
+  %tmp = load i48, i48* bitcast ({ i8, i8, i8, i8, i8, i8 }* @g_399 to i48*), align 8, !noalias !1
+  %tmp1 = ashr i48 %tmp, 17
+  %tmp2 = trunc i48 %tmp1 to i32
+  %tmp3 = sext i32 %tmp2 to i64
+  br label %bb4
+
+bb4:                                              ; preds = %bb4, %bb
+  %tmp5 = load i64, i64* undef, align 8, !tbaa !4, !noalias !1
+  %tmp6 = urem i64 -923186811629238421, %tmp3
+  %tmp7 = or i64 %tmp6, %tmp5
+  %tmp8 = trunc i64 %tmp7 to i32
+  %tmp9 = lshr i32 %tmp8, 2
+  %tmp10 = and i32 %tmp9, 60
+  %tmp11 = xor i32 %tmp10, -1592309976
+  %tmp12 = or i32 0, %tmp11
+  %tmp13 = or i32 %tmp12, 3
+  store i32 %tmp13, i32* @g_439, align 4, !tbaa !8, !noalias !1
+  br label %bb4
+}
+
+attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="z13" "target-features"="+transactional-execution,+vector" "unsafe-fp-math"="false" "use-soft-float"="false" }
+
+!llvm.ident = !{!0}
+
+!0 = !{!"clang version 8.0.0 (http://llvm.org/git/clang.git c0a5e830f198cf42d29f72f1ec06fbf4c5210e2c) (http://llvm.org/git/llvm.git ffc8c538b70b678031b8617f61f83ee120bcb884)"}
+!1 = !{!2}
+!2 = distinct !{!2, !3, !"func_1: %agg.result"}
+!3 = distinct !{!3, !"func_1"}
+!4 = !{!5, !5, i64 0}
+!5 = !{!"long", !6, i64 0}
+!6 = !{!"omnipotent char", !7, i64 0}
+!7 = !{!"Simple C/C++ TBAA"}
+!8 = !{!9, !9, i64 0}
+!9 = !{!"int", !6, i64 0}