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1; RUN: llc < %s -enable-tail-merge | FileCheck %s2; Check that calls to baz and quux are tail-merged.3; PR16284 5; CHECK: bl _baz6; CHECK-NOT: bl _baz7; CHECK: bl _quux8; CHECK-NOT: bl _quux9 10; ModuleID = 'tail.c'11target triple = "arm-apple-darwin8"12 13define i32 @f(i32 %i, i32 %q) {14entry:15 %i_addr = alloca i32 ; <ptr> [#uses=2]16 %q_addr = alloca i32 ; <ptr> [#uses=2]17 %retval = alloca i32, align 4 ; <ptr> [#uses=1]18 store i32 %i, ptr %i_addr19 store i32 %q, ptr %q_addr20 %tmp = load i32, ptr %i_addr ; <i32> [#uses=1]21 %tmp1 = icmp ne i32 %tmp, 0 ; <i1> [#uses=1]22 %tmp12 = zext i1 %tmp1 to i8 ; <i8> [#uses=1]23 %toBool = icmp ne i8 %tmp12, 0 ; <i1> [#uses=1]24 br i1 %toBool, label %cond_true, label %cond_false25 26cond_true: ; preds = %entry27 %tmp3 = call i32 (...) @bar( ) ; <i32> [#uses=0]28 %tmp4 = call i32 (...) @baz( i32 5, i32 6 ) ; <i32> [#uses=0]29 br label %cond_next30 31cond_false: ; preds = %entry32 %tmp5 = call i32 (...) @foo( ) ; <i32> [#uses=0]33 %tmp6 = call i32 (...) @baz( i32 5, i32 6 ) ; <i32> [#uses=0]34 br label %cond_next35 36cond_next: ; preds = %cond_false, %cond_true37 %tmp7 = load i32, ptr %q_addr ; <i32> [#uses=1]38 %tmp8 = icmp ne i32 %tmp7, 0 ; <i1> [#uses=1]39 %tmp89 = zext i1 %tmp8 to i8 ; <i8> [#uses=1]40 %toBool10 = icmp ne i8 %tmp89, 0 ; <i1> [#uses=1]41 br i1 %toBool10, label %cond_true11, label %cond_false1542 43cond_true11: ; preds = %cond_next44 %tmp13 = call i32 (...) @foo( ) ; <i32> [#uses=0]45 %tmp14 = call i32 (...) @quux( i32 3, i32 4 ) ; <i32> [#uses=0]46 br label %cond_next1847 48cond_false15: ; preds = %cond_next49 %tmp16 = call i32 (...) @bar( ) ; <i32> [#uses=0]50 %tmp17 = call i32 (...) @quux( i32 3, i32 4 ) ; <i32> [#uses=0]51 br label %cond_next1852 53cond_next18: ; preds = %cond_false15, %cond_true1154 %tmp19 = call i32 (...) @bar( ) ; <i32> [#uses=0]55 br label %return56 57return: ; preds = %cond_next1858 %retval20 = load i32, ptr %retval ; <i32> [#uses=1]59 ret i32 %retval2060}61 62declare i32 @bar(...)63 64declare i32 @baz(...)65 66declare i32 @foo(...)67 68declare i32 @quux(...)69