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Diffstat (limited to 'test/CodeGen/X86/widen_arith-1.ll')
-rw-r--r-- | test/CodeGen/X86/widen_arith-1.ll | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/test/CodeGen/X86/widen_arith-1.ll b/test/CodeGen/X86/widen_arith-1.ll new file mode 100644 index 0000000..13683b1 --- /dev/null +++ b/test/CodeGen/X86/widen_arith-1.ll @@ -0,0 +1,48 @@ +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse42 -disable-mmx -o %t -f +; RUN: grep paddb %t | count 1 +; RUN: grep pextrb %t | count 1 +; RUN: grep pextrw %t | count 1 + +; Widen a v3i8 to v16i8 to use a vector add + +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(<3 x i8>* %dst, <3 x i8>* %src, i32 %n) nounwind { +entry: + %dst.addr = alloca <3 x i8>* ; <<3 x i8>**> [#uses=2] + %src.addr = alloca <3 x i8>* ; <<3 x i8>**> [#uses=2] + %n.addr = alloca i32 ; <i32*> [#uses=2] + %i = alloca i32, align 4 ; <i32*> [#uses=6] + store <3 x i8>* %dst, <3 x i8>** %dst.addr + store <3 x i8>* %src, <3 x i8>** %src.addr + store i32 %n, i32* %n.addr + 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 <3 x i8>** %dst.addr ; <<3 x i8>*> [#uses=1] + %arrayidx = getelementptr <3 x i8>* %tmp3, i32 %tmp2 ; <<3 x i8>*> [#uses=1] + %tmp4 = load i32* %i ; <i32> [#uses=1] + %tmp5 = load <3 x i8>** %src.addr ; <<3 x i8>*> [#uses=1] + %arrayidx6 = getelementptr <3 x i8>* %tmp5, i32 %tmp4 ; <<3 x i8>*> [#uses=1] + %tmp7 = load <3 x i8>* %arrayidx6 ; <<3 x i8>> [#uses=1] + %add = add <3 x i8> %tmp7, < i8 1, i8 1, i8 1 > ; <<3 x i8>> [#uses=1] + store <3 x i8> %add, <3 x i8>* %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 +} |