; RUN: llc < %s -mtriple=thumbv7-apple-darwin | FileCheck %s define i32 @t1(i32 %a, i32 %b, i32 %c, i32 %d) nounwind { ; CHECK: t1: ; CHECK: it ne ; CHECK: cmpne switch i32 %c, label %cond_next [ i32 1, label %cond_true i32 7, label %cond_true ] cond_true: %tmp12 = add i32 %a, 1 %tmp1518 = add i32 %tmp12, %b ret i32 %tmp1518 cond_next: %tmp15 = add i32 %b, %a ret i32 %tmp15 } ; FIXME: Check for # of unconditional branch after adding branch folding post ifcvt. define i32 @t2(i32 %a, i32 %b) nounwind { entry: ; CHECK: t2: ; CHECK: ite gt ; CHECK: subgt ; CHECK: suble %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 } @x = external global i32* ; [#uses=1] define void @foo(i32 %a) nounwind { entry: %tmp = load i32** @x ; [#uses=1] store i32 %a, i32* %tmp ret void } define void @t3(i32 %a, i32 %b) nounwind { entry: ; CHECK: t3: ; CHECK: it lt ; CHECK: poplt {r7, pc} %tmp1 = icmp sgt i32 %a, 10 ; [#uses=1] br i1 %tmp1, label %cond_true, label %UnifiedReturnBlock cond_true: ; preds = %entry tail call void @foo( i32 %b ) ret void UnifiedReturnBlock: ; preds = %entry ret void }