From 44600d708154e09f4e53719f503e2446eb2b7f53 Mon Sep 17 00:00:00 2001 From: Tim Northover Date: Thu, 17 May 2012 13:12:13 +0000 Subject: Remove incorrect pattern for ARM SMML instruction. Patch by Meador Inge. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156989 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/ARM/smml.ll | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 test/CodeGen/ARM/smml.ll (limited to 'test/CodeGen') diff --git a/test/CodeGen/ARM/smml.ll b/test/CodeGen/ARM/smml.ll new file mode 100644 index 0000000000..99df0d4c96 --- /dev/null +++ b/test/CodeGen/ARM/smml.ll @@ -0,0 +1,13 @@ +; RUN: llc < %s -march=arm -mcpu=cortex-a8 | FileCheck %s +define i32 @f(i32 %a, i32 %b, i32 %c) nounwind readnone ssp { +entry: +; CHECK-NOT: smmls + %conv4 = zext i32 %a to i64 + %conv1 = sext i32 %b to i64 + %conv2 = sext i32 %c to i64 + %mul = mul nsw i64 %conv2, %conv1 + %shr5 = lshr i64 %mul, 32 + %sub = sub nsw i64 %conv4, %shr5 + %conv3 = trunc i64 %sub to i32 + ret i32 %conv3 +} -- cgit v1.2.3-70-g09d2