[NFC][PowerPC] Add a new case to test ctrloop for fp128

diff --git a/llvm/test/CodeGen/PowerPC/ctrloop-fp128.ll b/llvm/test/CodeGen/PowerPC/ctrloop-fp128.ll
new file mode 100644 (file)
index 0000000..0a62cb1
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/ctrloop-fp128.ll
@@ -0,0 +1,32 @@
+; RUN: llc -verify-machineinstrs -stop-after=hardware-loops -mcpu=pwr9 \
+; RUN:   -mtriple=powerpc64le-unknown-unknown < %s | FileCheck %s
+
+@a = internal global fp128 0xL00000000000000000000000000000000, align 16
+@x = internal global [4 x fp128] zeroinitializer, align 16
+@y = internal global [4 x fp128] zeroinitializer, align 16
+
+define void @fmul_ctrloop_fp128() {
+entry:
+  %0 = load fp128, fp128* @a, align 16
+  br label %for.body
+
+for.body:                                         ; preds = %for.body, %entry
+  %i.06 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
+  %arrayidx = getelementptr inbounds [4 x fp128], [4 x fp128]* @x, i64 0, i64 %i.06
+  %1 = load fp128, fp128* %arrayidx, align 16
+  %mul = fmul fp128 %0, %1
+  %arrayidx1 = getelementptr inbounds [4 x fp128], [4 x fp128]* @y, i64 0, i64 %i.06
+  store fp128 %mul, fp128* %arrayidx1, align 16
+  %inc = add nuw nsw i64 %i.06, 1
+  %exitcond = icmp eq i64 %inc, 4
+  br i1 %exitcond, label %for.end, label %for.body
+
+for.end:                                          ; preds = %for.body
+  ret void
+
+; CHECK-LABEL: fmul_ctrloop_fp128
+; CHECK:         call void @llvm.set.loop.iterations.i64(i64 4)
+; CHECK:         call i1 @llvm.loop.decrement.i64(i64 1)
+}
+
+declare void @obfuscate(i8*, ...) local_unnamed_addr #2