From c3f5ceefb8d1e6f7041a1af87e110ad4185c894a Mon Sep 17 00:00:00 2001 From: Kang Zhang Date: Sun, 7 Jun 2020 16:35:32 +0000 Subject: [PATCH] [NFC][PowerPC] Add a new case to test ctrloop for fp128 --- llvm/test/CodeGen/PowerPC/ctrloop-fp128.ll | 32 ++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 llvm/test/CodeGen/PowerPC/ctrloop-fp128.ll diff --git a/llvm/test/CodeGen/PowerPC/ctrloop-fp128.ll b/llvm/test/CodeGen/PowerPC/ctrloop-fp128.ll new file mode 100644 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 -- 2.7.4