1 ; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- -enable-tail-merge=0 | grep bl.*baz | count 2
2 ; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- -enable-tail-merge=0 | grep bl.*quux | count 2
3 ; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | grep bl.*baz | count 1
4 ; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | grep bl.*quux | count 1
5 ; Check that tail merging is the default on ppc, and that -enable-tail-merge works.
8 target 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"
9 ;; target triple = "i686-apple-darwin8"
11 define i32 @f(i32 %i, i32 %q) {
13 %i_addr = alloca i32 ; <i32*> [#uses=2]
14 %q_addr = alloca i32 ; <i32*> [#uses=2]
15 %retval = alloca i32, align 4 ; <i32*> [#uses=1]
16 store i32 %i, i32* %i_addr
17 store i32 %q, i32* %q_addr
18 %tmp = load i32, i32* %i_addr ; <i32> [#uses=1]
19 %tmp1 = icmp ne i32 %tmp, 0 ; <i1> [#uses=1]
20 %tmp12 = zext i1 %tmp1 to i8 ; <i8> [#uses=1]
21 %toBool = icmp ne i8 %tmp12, 0 ; <i1> [#uses=1]
22 br i1 %toBool, label %cond_true, label %cond_false
24 cond_true: ; preds = %entry
25 %tmp3 = call i32 (...) @bar( ) ; <i32> [#uses=0]
26 %tmp4 = call i32 (...) @baz( i32 5, i32 6 ) ; <i32> [#uses=0]
27 %tmp7 = load i32, i32* %q_addr ; <i32> [#uses=1]
28 %tmp8 = icmp ne i32 %tmp7, 0 ; <i1> [#uses=1]
29 %tmp89 = zext i1 %tmp8 to i8 ; <i8> [#uses=1]
30 %toBool10 = icmp ne i8 %tmp89, 0 ; <i1> [#uses=1]
31 br i1 %toBool10, label %cond_true11, label %cond_false15
33 cond_false: ; preds = %entry
34 %tmp5 = call i32 (...) @foo( ) ; <i32> [#uses=0]
35 %tmp6 = call i32 (...) @baz( i32 5, i32 6 ) ; <i32> [#uses=0]
36 %tmp27 = load i32, i32* %q_addr ; <i32> [#uses=1]
37 %tmp28 = icmp ne i32 %tmp27, 0 ; <i1> [#uses=1]
38 %tmp289 = zext i1 %tmp28 to i8 ; <i8> [#uses=1]
39 %toBool210 = icmp ne i8 %tmp289, 0 ; <i1> [#uses=1]
40 br i1 %toBool210, label %cond_true11, label %cond_false15
42 cond_true11: ; preds = %cond_next
43 %tmp13 = call i32 (...) @foo( ) ; <i32> [#uses=0]
44 %tmp14 = call i32 (...) @quux( i32 3, i32 4 ) ; <i32> [#uses=0]
47 cond_false15: ; preds = %cond_next
48 %tmp16 = call i32 (...) @bar( ) ; <i32> [#uses=0]
49 %tmp17 = call i32 (...) @quux( i32 3, i32 4 ) ; <i32> [#uses=0]
52 cond_next18: ; preds = %cond_false15, %cond_true11
53 %tmp19 = call i32 (...) @bar( ) ; <i32> [#uses=0]
56 return: ; preds = %cond_next18
57 %retval20 = load i32, i32* %retval ; <i32> [#uses=1]
67 declare i32 @quux(...)