diff --git a/test/CodeGen/X86/shift-codegen.ll b/test/CodeGen/X86/shift-codegen.ll new file mode 100644 index 00000000000..0fc180310df --- /dev/null +++ b/test/CodeGen/X86/shift-codegen.ll @@ -0,0 +1,27 @@ +; RUN: llvm-as < %s | llc -relocation-model=static -march=x86 | grep 'shll $3' | wc -l | grep 2 + +; This should produce two shll instructions, not any lea's. + +target triple = "i686-apple-darwin8" +@Y = weak global i32 0 ; [#uses=1] +@X = weak global i32 0 ; [#uses=2] + +implementation ; Functions: + +define void @fn1() { +entry: + %tmp = load i32* @Y ; [#uses=1] + %tmp1 = shl i32 %tmp, 3 ; [#uses=1] + %tmp2 = load i32* @X ; [#uses=1] + %tmp3 = or i32 %tmp1, %tmp2 ; [#uses=1] + store i32 %tmp3, i32* @X + ret void +} + +define i32 @fn2(i32 %X, i32 %Y) { +entry: + %tmp2 = shl i32 %Y, 3 ; [#uses=1] + %tmp4 = or i32 %tmp2, %X ; [#uses=1] + ret i32 %tmp4 +} +