From a03f1e3b0c11605d05b948e752a398c2e2d5591f Mon Sep 17 00:00:00 2001 From: Bill Wendling Date: Wed, 25 Apr 2007 21:58:17 +0000 Subject: [PATCH] Testcase for codegen bug. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36450 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/X86/2007-04-25-MMX-PADDQ.ll | 25 ++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 test/CodeGen/X86/2007-04-25-MMX-PADDQ.ll diff --git a/test/CodeGen/X86/2007-04-25-MMX-PADDQ.ll b/test/CodeGen/X86/2007-04-25-MMX-PADDQ.ll new file mode 100644 index 00000000000..32d548753fb --- /dev/null +++ b/test/CodeGen/X86/2007-04-25-MMX-PADDQ.ll @@ -0,0 +1,25 @@ +; RUN: llvm-as < %s | llc -o - -march=x86 -mattr=+mmx | grep paddq | wc -l | grep 2 && +; RUN: llvm-as < %s | llc -o - -march=x86 -mattr=+mmx | grep movq | wc -l | grep 3 + +define <1 x i64> @unsigned_add3(<1 x i64>* %a, <1 x i64>* %b, i32 %count) { +entry: + %tmp2942 = icmp eq i32 %count, 0 ; [#uses=1] + br i1 %tmp2942, label %bb31, label %bb26 + +bb26: ; preds = %bb26, %entry + %i.037.0 = phi i32 [ 0, %entry ], [ %tmp25, %bb26 ] ; [#uses=3] + %sum.035.0 = phi <1 x i64> [ zeroinitializer, %entry ], [ %tmp22, %bb26 ] ; <<1 x i64>> [#uses=1] + %tmp13 = getelementptr <1 x i64>* %b, i32 %i.037.0 ; <<1 x i64>*> [#uses=1] + %tmp14 = load <1 x i64>* %tmp13 ; <<1 x i64>> [#uses=1] + %tmp18 = getelementptr <1 x i64>* %a, i32 %i.037.0 ; <<1 x i64>*> [#uses=1] + %tmp19 = load <1 x i64>* %tmp18 ; <<1 x i64>> [#uses=1] + %tmp21 = add <1 x i64> %tmp19, %tmp14 ; <<1 x i64>> [#uses=1] + %tmp22 = add <1 x i64> %tmp21, %sum.035.0 ; <<1 x i64>> [#uses=2] + %tmp25 = add i32 %i.037.0, 1 ; [#uses=2] + %tmp29 = icmp ult i32 %tmp25, %count ; [#uses=1] + br i1 %tmp29, label %bb26, label %bb31 + +bb31: ; preds = %bb26, %entry + %sum.035.1 = phi <1 x i64> [ zeroinitializer, %entry ], [ %tmp22, %bb26 ] ; <<1 x i64>> [#uses=1] + ret <1 x i64> %sum.035.1 +} -- 2.34.1