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authorStephen Hines <srhines@google.com>2014-12-01 14:51:49 -0800
committerStephen Hines <srhines@google.com>2014-12-02 16:08:10 -0800
commit37ed9c199ca639565f6ce88105f9e39e898d82d0 (patch)
tree8fb36d3910e3ee4c4e1b7422f4f017108efc52f5 /test/CodeGen/PowerPC/split-index-tc.ll
parentd2327b22152ced7bc46dc629fc908959e8a52d03 (diff)
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Update aosp/master LLVM for rebase to r222494.
Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
Diffstat (limited to 'test/CodeGen/PowerPC/split-index-tc.ll')
-rw-r--r--test/CodeGen/PowerPC/split-index-tc.ll82
1 files changed, 82 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/split-index-tc.ll b/test/CodeGen/PowerPC/split-index-tc.ll
new file mode 100644
index 0000000..03aff24
--- /dev/null
+++ b/test/CodeGen/PowerPC/split-index-tc.ll
@@ -0,0 +1,82 @@
+; RUN: llc -mcpu=pwr7 < %s | FileCheck %s
+target datalayout = "E-m:e-i64:64-n32:64"
+target triple = "powerpc64-unknown-linux-gnu"
+
+%"class.llvm::MachineOperand" = type { i8, [3 x i8], i64, i64*, i64 }
+
+; Function Attrs: nounwind
+define void @_ZN4llvm17ScheduleDAGInstrs14addPhysRegDepsEPNS_5SUnitEj() #0 align 2 {
+
+; If we were able to split out the indexing, the load with update should be
+; removed (resulting in a nearly-empty output).
+; CHECK-LABEL: @_ZN4llvm17ScheduleDAGInstrs14addPhysRegDepsEPNS_5SUnitEj
+; CHECK-NOT: lhzu
+
+entry:
+ %0 = load %"class.llvm::MachineOperand"** undef, align 8
+ br i1 undef, label %_ZNK4llvm14MachineOperand6getRegEv.exit, label %cond.false.i123
+
+cond.false.i123: ; preds = %_ZN4llvm12MachineInstr10getOperandEj.exit
+ unreachable
+
+_ZNK4llvm14MachineOperand6getRegEv.exit: ; preds = %_ZN4llvm12MachineInstr10getOperandEj.exit
+ %IsDef.i = getelementptr inbounds %"class.llvm::MachineOperand"* %0, i64 undef, i32 1
+ %1 = bitcast [3 x i8]* %IsDef.i to i24*
+ %bf.load.i = load i24* %1, align 1
+ %2 = and i24 %bf.load.i, 128
+ br i1 undef, label %for.cond.cleanup, label %for.body.lr.ph
+
+for.body.lr.ph: ; preds = %_ZNK4llvm14MachineOperand6getRegEv.exit
+ %3 = zext i24 %2 to i32
+ br i1 undef, label %cond.false.i134, label %_ZNK4llvm18MCRegAliasIteratordeEv.exit
+
+for.cond.cleanup: ; preds = %_ZNK4llvm14MachineOperand6getRegEv.exit
+ br i1 undef, label %_ZNK4llvm14MachineOperand5isDefEv.exit, label %cond.false.i129
+
+cond.false.i129: ; preds = %for.cond.cleanup
+ unreachable
+
+_ZNK4llvm14MachineOperand5isDefEv.exit: ; preds = %for.cond.cleanup
+ br i1 undef, label %_ZNK4llvm14MachineOperand6getRegEv.exit247, label %cond.false.i244
+
+cond.false.i134: ; preds = %for.body.lr.ph
+ unreachable
+
+_ZNK4llvm18MCRegAliasIteratordeEv.exit: ; preds = %for.body.lr.ph
+ unreachable
+
+cond.false.i244: ; preds = %_ZNK4llvm14MachineOperand5isDefEv.exit
+ unreachable
+
+_ZNK4llvm14MachineOperand6getRegEv.exit247: ; preds = %_ZNK4llvm14MachineOperand5isDefEv.exit
+ br i1 undef, label %if.then53, label %if.end55
+
+if.then53: ; preds = %_ZNK4llvm14MachineOperand6getRegEv.exit247
+ unreachable
+
+if.end55: ; preds = %_ZNK4llvm14MachineOperand6getRegEv.exit247
+ br i1 undef, label %_ZNK4llvm14MachineOperand6isDeadEv.exit262, label %cond.false.i257
+
+cond.false.i257: ; preds = %if.end55
+ unreachable
+
+_ZNK4llvm14MachineOperand6isDeadEv.exit262: ; preds = %if.end55
+ %bf.load.i259 = load i24* %1, align 1
+ br i1 undef, label %if.then57, label %if.else59
+
+if.then57: ; preds = %_ZNK4llvm14MachineOperand6isDeadEv.exit262
+ unreachable
+
+if.else59: ; preds = %_ZNK4llvm14MachineOperand6isDeadEv.exit262
+ br i1 undef, label %if.end89, label %if.then62
+
+if.then62: ; preds = %if.else59
+ unreachable
+
+if.end89: ; preds = %if.else59
+ unreachable
+}
+
+attributes #0 = { nounwind }
+
+