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authorMon P Wang <wangmp@apple.com>2008-12-18 20:05:58 +0000
committerMon P Wang <wangmp@apple.com>2008-12-18 20:05:58 +0000
commit1d045486ca88e442f027ebb6deecddfdbbc6bc44 (patch)
tree1be8763feff3a134c474141f9a6a8eced21bcb11 /test/CodeGen/X86/widen_arith-4.ll
parent87c8a8f304d1ee72829086ce2c41a8fa3813ba6a (diff)
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Added some basic test cases for r61209
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61210 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/widen_arith-4.ll')
-rw-r--r--test/CodeGen/X86/widen_arith-4.ll51
1 files changed, 51 insertions, 0 deletions
diff --git a/test/CodeGen/X86/widen_arith-4.ll b/test/CodeGen/X86/widen_arith-4.ll
new file mode 100644
index 0000000000..e19ab6574a
--- /dev/null
+++ b/test/CodeGen/X86/widen_arith-4.ll
@@ -0,0 +1,51 @@
+; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse42 -disable-mmx -o %t -f
+; RUN: grep psubw %t | count 1
+; RUN: grep pmullw %t | count 1
+
+; Widen a v5i16 to v8i16 to do a vector sub and multiple
+
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
+
+define void @update(<5 x i16>* %dst, <5 x i16>* %src, i32 %n) nounwind {
+entry:
+ %dst.addr = alloca <5 x i16>* ; <<5 x i16>**> [#uses=2]
+ %src.addr = alloca <5 x i16>* ; <<5 x i16>**> [#uses=2]
+ %n.addr = alloca i32 ; <i32*> [#uses=2]
+ %v = alloca <5 x i16>, align 16 ; <<5 x i16>*> [#uses=1]
+ %i = alloca i32, align 4 ; <i32*> [#uses=6]
+ store <5 x i16>* %dst, <5 x i16>** %dst.addr
+ store <5 x i16>* %src, <5 x i16>** %src.addr
+ store i32 %n, i32* %n.addr
+ store <5 x i16> < i16 1, i16 1, i16 1, i16 0, i16 0 >, <5 x i16>* %v
+ store i32 0, i32* %i
+ br label %forcond
+
+forcond: ; preds = %forinc, %entry
+ %tmp = load i32* %i ; <i32> [#uses=1]
+ %tmp1 = load i32* %n.addr ; <i32> [#uses=1]
+ %cmp = icmp slt i32 %tmp, %tmp1 ; <i1> [#uses=1]
+ br i1 %cmp, label %forbody, label %afterfor
+
+forbody: ; preds = %forcond
+ %tmp2 = load i32* %i ; <i32> [#uses=1]
+ %tmp3 = load <5 x i16>** %dst.addr ; <<5 x i16>*> [#uses=1]
+ %arrayidx = getelementptr <5 x i16>* %tmp3, i32 %tmp2 ; <<5 x i16>*> [#uses=1]
+ %tmp4 = load i32* %i ; <i32> [#uses=1]
+ %tmp5 = load <5 x i16>** %src.addr ; <<5 x i16>*> [#uses=1]
+ %arrayidx6 = getelementptr <5 x i16>* %tmp5, i32 %tmp4 ; <<5 x i16>*> [#uses=1]
+ %tmp7 = load <5 x i16>* %arrayidx6 ; <<5 x i16>> [#uses=1]
+ %sub = sub <5 x i16> %tmp7, < i16 271, i16 271, i16 271, i16 271, i16 271 > ; <<5 x i16>> [#uses=1]
+ %mul = mul <5 x i16> %sub, < i16 2, i16 2, i16 2, i16 2, i16 2 > ; <<5 x i16>> [#uses=1]
+ store <5 x i16> %mul, <5 x i16>* %arrayidx
+ br label %forinc
+
+forinc: ; preds = %forbody
+ %tmp8 = load i32* %i ; <i32> [#uses=1]
+ %inc = add i32 %tmp8, 1 ; <i32> [#uses=1]
+ store i32 %inc, i32* %i
+ br label %forcond
+
+afterfor: ; preds = %forcond
+ ret void
+}
+