From b0e07dd19a5fb6c556fdc6e67e605103b30a7d9f Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sat, 19 May 2007 01:21:39 +0000 Subject: [PATCH] new testcase git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37251 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/X86/lsr-negative-stride.ll | 37 +++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 test/CodeGen/X86/lsr-negative-stride.ll diff --git a/test/CodeGen/X86/lsr-negative-stride.ll b/test/CodeGen/X86/lsr-negative-stride.ll new file mode 100644 index 00000000000..5b9711e18a6 --- /dev/null +++ b/test/CodeGen/X86/lsr-negative-stride.ll @@ -0,0 +1,37 @@ +; RUN: llvm-as < %s | llc -march=x86 | not grep neg +; RUN: llvm-as < %s | llc -march=x86 | not grep sub.*esp +; RUN: llvm-as < %s | llc -march=x86 | not grep esi + +define i32 @t(i32 %a, i32 %b) { +entry: + %tmp1434 = icmp eq i32 %a, %b ; [#uses=1] + br i1 %tmp1434, label %bb17, label %bb.outer + +bb.outer: ; preds = %cond_false, %entry + %b_addr.021.0.ph = phi i32 [ %b, %entry ], [ %tmp10, %cond_false ] ; [#uses=5] + %a_addr.026.0.ph = phi i32 [ %a, %entry ], [ %a_addr.026.0, %cond_false ] ; [#uses=1] + br label %bb + +bb: ; preds = %cond_true, %bb.outer + %indvar = phi i32 [ 0, %bb.outer ], [ %indvar.next, %cond_true ] ; [#uses=2] + %tmp. = sub i32 0, %b_addr.021.0.ph ; [#uses=1] + %tmp.40 = mul i32 %indvar, %tmp. ; [#uses=1] + %a_addr.026.0 = add i32 %tmp.40, %a_addr.026.0.ph ; [#uses=6] + %tmp3 = icmp sgt i32 %a_addr.026.0, %b_addr.021.0.ph ; [#uses=1] + br i1 %tmp3, label %cond_true, label %cond_false + +cond_true: ; preds = %bb + %tmp7 = sub i32 %a_addr.026.0, %b_addr.021.0.ph ; [#uses=2] + %tmp1437 = icmp eq i32 %tmp7, %b_addr.021.0.ph ; [#uses=1] + %indvar.next = add i32 %indvar, 1 ; [#uses=1] + br i1 %tmp1437, label %bb17, label %bb + +cond_false: ; preds = %bb + %tmp10 = sub i32 %b_addr.021.0.ph, %a_addr.026.0 ; [#uses=2] + %tmp14 = icmp eq i32 %a_addr.026.0, %tmp10 ; [#uses=1] + br i1 %tmp14, label %bb17, label %bb.outer + +bb17: ; preds = %cond_false, %cond_true, %entry + %a_addr.026.1 = phi i32 [ %a, %entry ], [ %tmp7, %cond_true ], [ %a_addr.026.0, %cond_false ] ; [#uses=1] + ret i32 %a_addr.026.1 +} -- 2.34.1