| ; RUN: llc < %s -mtriple=i686-- |
| ; PR2775 |
| |
| define i32 @func_77(i8 zeroext %p_79) nounwind { |
| entry: |
| %0 = tail call i32 (...) @func_43(i32 1) nounwind ; <i32> [#uses=1] |
| %1 = icmp eq i32 %0, 0 ; <i1> [#uses=1] |
| br i1 %1, label %bb3, label %bb |
| |
| bb: ; preds = %entry |
| br label %bb3 |
| |
| bb3: ; preds = %bb, %entry |
| %p_79_addr.0 = phi i8 [ 0, %bb ], [ %p_79, %entry ] ; <i8> [#uses=1] |
| %2 = zext i8 %p_79_addr.0 to i32 ; <i32> [#uses=2] |
| %3 = zext i1 false to i32 ; <i32> [#uses=2] |
| %4 = tail call i32 (...) @rshift_u_s(i32 1) nounwind ; <i32> [#uses=0] |
| %5 = lshr i32 %2, %2 ; <i32> [#uses=3] |
| %6 = icmp eq i32 0, 0 ; <i1> [#uses=1] |
| br i1 %6, label %bb6, label %bb9 |
| |
| bb6: ; preds = %bb3 |
| %7 = ashr i32 %5, %3 ; <i32> [#uses=1] |
| %8 = icmp eq i32 %7, 0 ; <i1> [#uses=1] |
| %9 = select i1 %8, i32 %3, i32 0 ; <i32> [#uses=1] |
| %. = shl i32 %5, %9 ; <i32> [#uses=1] |
| br label %bb9 |
| |
| bb9: ; preds = %bb6, %bb3 |
| %.0 = phi i32 [ %., %bb6 ], [ %5, %bb3 ] ; <i32> [#uses=0] |
| br i1 false, label %return, label %bb10 |
| |
| bb10: ; preds = %bb9 |
| ret i32 undef |
| |
| return: ; preds = %bb9 |
| ret i32 undef |
| } |
| |
| declare i32 @func_43(...) |
| |
| declare i32 @rshift_u_s(...) |