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1; RUN: llc < %s | FileCheck %s2 3; Check that calls to baz and quux are tail-merged.4; CHECK: bl _baz5; CHECK-NOT: bl _baz6; CHECK: bl _quux7; CHECK-NOT: bl _quux8 9; PR162810 11; ModuleID = 'tail.c'12target 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"13target triple = "arm-apple-darwin8"14 15define i32 @f(i32 %i, i32 %q) {16entry:17 %i_addr = alloca i32 ; <ptr> [#uses=2]18 %q_addr = alloca i32 ; <ptr> [#uses=2]19 %retval = alloca i32, align 4 ; <ptr> [#uses=1]20 store i32 %i, ptr %i_addr21 store i32 %q, ptr %q_addr22 %tmp = load i32, ptr %i_addr ; <i32> [#uses=1]23 %tmp1 = icmp ne i32 %tmp, 0 ; <i1> [#uses=1]24 %tmp12 = zext i1 %tmp1 to i8 ; <i8> [#uses=1]25 %toBool = icmp ne i8 %tmp12, 0 ; <i1> [#uses=1]26 br i1 %toBool, label %cond_true, label %cond_false27 28cond_true: ; preds = %entry29 %tmp3 = call i32 (...) @bar( ) ; <i32> [#uses=0]30 %tmp4 = call i32 (...) @baz( i32 5, i32 6 ) ; <i32> [#uses=0]31 %tmp7 = load i32, ptr %q_addr ; <i32> [#uses=1]32 %tmp8 = icmp ne i32 %tmp7, 0 ; <i1> [#uses=1]33 %tmp89 = zext i1 %tmp8 to i8 ; <i8> [#uses=1]34 %toBool10 = icmp ne i8 %tmp89, 0 ; <i1> [#uses=1]35 br i1 %toBool10, label %cond_true11, label %cond_false1536 37cond_false: ; preds = %entry38 %tmp5 = call i32 (...) @foo( ) ; <i32> [#uses=0]39 %tmp6 = call i32 (...) @baz( i32 5, i32 6 ) ; <i32> [#uses=0]40 %tmp27 = load i32, ptr %q_addr ; <i32> [#uses=1]41 %tmp28 = icmp ne i32 %tmp27, 0 ; <i1> [#uses=1]42 %tmp289 = zext i1 %tmp28 to i8 ; <i8> [#uses=1]43 %toBool210 = icmp ne i8 %tmp289, 0 ; <i1> [#uses=1]44 br i1 %toBool210, label %cond_true11, label %cond_false1545 46cond_true11: ; preds = %cond_next47 %tmp13 = call i32 (...) @foo( ) ; <i32> [#uses=0]48 %tmp14 = call i32 (...) @quux( i32 3, i32 4 ) ; <i32> [#uses=0]49 br label %cond_next1850 51cond_false15: ; preds = %cond_next52 %tmp16 = call i32 (...) @bar( ) ; <i32> [#uses=0]53 %tmp17 = call i32 (...) @quux( i32 3, i32 4 ) ; <i32> [#uses=0]54 br label %cond_next1855 56cond_next18: ; preds = %cond_false15, %cond_true1157 %tmp19 = call i32 (...) @bar( ) ; <i32> [#uses=0]58 br label %return59 60return: ; preds = %cond_next1861 %retval20 = load i32, ptr %retval ; <i32> [#uses=1]62 ret i32 %retval2063}64 65declare i32 @bar(...)66 67declare i32 @baz(...)68 69declare i32 @foo(...)70 71declare i32 @quux(...)72