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author | Mon P Wang <wangmp@apple.com> | 2008-12-18 20:05:58 +0000 |
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committer | Mon P Wang <wangmp@apple.com> | 2008-12-18 20:05:58 +0000 |
commit | 1d045486ca88e442f027ebb6deecddfdbbc6bc44 (patch) | |
tree | 1be8763feff3a134c474141f9a6a8eced21bcb11 /test/CodeGen/X86/widen_arith-4.ll | |
parent | 87c8a8f304d1ee72829086ce2c41a8fa3813ba6a (diff) | |
download | llvm-1d045486ca88e442f027ebb6deecddfdbbc6bc44.tar.gz llvm-1d045486ca88e442f027ebb6deecddfdbbc6bc44.tar.bz2 llvm-1d045486ca88e442f027ebb6deecddfdbbc6bc44.tar.xz |
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.ll | 51 |
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 +} + |