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Diffstat (limited to 'test/CodeGen/X86/loop-strength-reduce5.ll')
| -rw-r--r-- | test/CodeGen/X86/loop-strength-reduce5.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/X86/loop-strength-reduce5.ll b/test/CodeGen/X86/loop-strength-reduce5.ll new file mode 100644 index 0000000000000..6e037e2aca31d --- /dev/null +++ b/test/CodeGen/X86/loop-strength-reduce5.ll @@ -0,0 +1,23 @@ +; RUN: llvm-as < %s | llc -march=x86 | grep inc | count 1 + +@X = weak global i16 0 ; <i16*> [#uses=1] +@Y = weak global i16 0 ; <i16*> [#uses=1] + +define void @foo(i32 %N) { +entry: + %tmp1019 = icmp sgt i32 %N, 0 ; <i1> [#uses=1] + br i1 %tmp1019, label %bb, label %return + +bb: ; preds = %bb, %entry + %i.014.0 = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=2] + %tmp1 = trunc i32 %i.014.0 to i16 ; <i16> [#uses=2] + volatile store i16 %tmp1, i16* @X, align 2 + %tmp34 = shl i16 %tmp1, 2 ; <i16> [#uses=1] + volatile store i16 %tmp34, i16* @Y, align 2 + %indvar.next = add i32 %i.014.0, 1 ; <i32> [#uses=2] + %exitcond = icmp eq i32 %indvar.next, %N ; <i1> [#uses=1] + br i1 %exitcond, label %return, label %bb + +return: ; preds = %bb, %entry + ret void +} |