From b9dc248e9e964bccd8358de113cbeb3d9427f7ca Mon Sep 17 00:00:00 2001
From: Reed Kotler <rkotler@mips.com>
Date: Wed, 1 Oct 2014 18:47:02 +0000
Subject: Add fptrunc to mips fast-sel

Summary: Implement conversion of 64 to 32 bit floating point numbers (fptrunc) in mips fast-isel

Test Plan:
fptrunc.ll
checked also with 4 internal mips build bot flavors mip32r1/miprs32r2 and at -O0 and -O2

Reviewers: dsanders

Reviewed By: dsanders

Subscribers: rfuhler

Differential Revision: http://reviews.llvm.org/D5553

llvm-svn: 218785
---
 llvm/test/CodeGen/Mips/Fast-ISel/fptrunc.ll | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 llvm/test/CodeGen/Mips/Fast-ISel/fptrunc.ll

(limited to 'llvm/test/CodeGen')

diff --git a/llvm/test/CodeGen/Mips/Fast-ISel/fptrunc.ll b/llvm/test/CodeGen/Mips/Fast-ISel/fptrunc.ll
new file mode 100644
index 00000000000..d843dee5a8c
--- /dev/null
+++ b/llvm/test/CodeGen/Mips/Fast-ISel/fptrunc.ll
@@ -0,0 +1,20 @@
+; RUN: llc -march=mipsel -relocation-model=pic -O0 -mips-fast-isel -fast-isel-abort -mcpu=mips32r2 \
+; RUN:     < %s | FileCheck %s
+; RUN: llc -march=mipsel -relocation-model=pic -O0 -mips-fast-isel -fast-isel-abort -mcpu=mips32 \
+; RUN:     < %s | FileCheck %s
+
+@d = global double 0x40147E6B74DF0446, align 8
+@f = common global float 0.000000e+00, align 4
+@.str = private unnamed_addr constant [6 x i8] c"%f  \0A\00", align 1
+
+; Function Attrs: nounwind
+define void @fv() #0 {
+entry:
+  %0 = load double* @d, align 8
+  %conv = fptrunc double %0 to float
+; CHECK: cvt.s.d  $f{{[0-9]+}}, $f{{[0-9]+}}
+  store float %conv, float* @f, align 4
+  ret void
+}
+
+attributes #1 = { nounwind }
-- 
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