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| -rw-r--r-- | test/CodeGen/X86/pr2659.ll | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pr2659.ll b/test/CodeGen/X86/pr2659.ll new file mode 100644 index 0000000000..00e6e7bd83 --- /dev/null +++ b/test/CodeGen/X86/pr2659.ll @@ -0,0 +1,33 @@ +; RUN: llvm-as < %s | llc -march=x86 -mtriple=i686-apple-darwin9.4.0 | grep movl | count 5 +; PR2659 + +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" +target triple = "i686-apple-darwin9.4.0" + +define i32 @binomial(i32 %n, i32 %k) nounwind { +entry: + %cmp = icmp ugt i32 %k, %n ; <i1> [#uses=1] + br i1 %cmp, label %ifthen, label %forcond.preheader + +forcond.preheader: ; preds = %entry + %cmp44 = icmp eq i32 %k, 0 ; <i1> [#uses=1] + br i1 %cmp44, label %afterfor, label %forbody + +ifthen: ; preds = %entry + ret i32 0 + +forbody: ; preds = %forbody, %forcond.preheader + %indvar = phi i32 [ 0, %forcond.preheader ], [ %divisor.02, %forbody ] ; <i32> [#uses=3] + %accumulator.01 = phi i32 [ 1, %forcond.preheader ], [ %div, %forbody ] ; <i32> [#uses=1] + %divisor.02 = add i32 %indvar, 1 ; <i32> [#uses=2] + %n.addr.03 = sub i32 %n, %indvar ; <i32> [#uses=1] + %mul = mul i32 %n.addr.03, %accumulator.01 ; <i32> [#uses=1] + %div = udiv i32 %mul, %divisor.02 ; <i32> [#uses=2] + %inc = add i32 %indvar, 2 ; <i32> [#uses=1] + %cmp4 = icmp ugt i32 %inc, %k ; <i1> [#uses=1] + br i1 %cmp4, label %afterfor, label %forbody + +afterfor: ; preds = %forbody, %forcond.preheader + %accumulator.0.lcssa = phi i32 [ 1, %forcond.preheader ], [ %div, %forbody ] ; <i32> [#uses=1] + ret i32 %accumulator.0.lcssa +} |