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1; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 | FileCheck %s
2; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=a2 | FileCheck -check-prefix=CHECK-NOAV %s
3target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
4target triple = "powerpc64-unknown-linux-gnu"
5
6%struct.__jmp_buf_tag = type { [64 x i64], i32, %struct.__sigset_t, [8 x i8] }
7%struct.__sigset_t = type { [16 x i64] }
8
9@env_sigill = internal global [1 x %struct.__jmp_buf_tag] zeroinitializer, align 16
10
11define void @foo() #0 {
12entry:
13  call void @llvm.eh.sjlj.longjmp(i8* bitcast ([1 x %struct.__jmp_buf_tag]* @env_sigill to i8*))
14  unreachable
15
16; CHECK: @foo
17; CHECK: addis [[REG:[0-9]+]], 2, env_sigill@toc@ha
18; CHECK: addi [[REG]], [[REG]], env_sigill@toc@l
19; CHECK: ld 31, 0([[REG]])
20; CHECK: ld [[REG2:[0-9]+]], 8([[REG]])
21; CHECK: ld 1, 16([[REG]])
22; CHECK: mtctr [[REG2]]
23; CHECK: ld 30, 32([[REG]])
24; CHECK: ld 2, 24([[REG]])
25; CHECK: bctr
26
27return:                                           ; No predecessors!
28  ret void
29}
30
31declare void @llvm.eh.sjlj.longjmp(i8*) #1
32
33define signext i32 @main() #0 {
34entry:
35  %retval = alloca i32, align 4
36  store i32 0, i32* %retval
37  %0 = call i8* @llvm.frameaddress(i32 0)
38  store i8* %0, i8** bitcast ([1 x %struct.__jmp_buf_tag]* @env_sigill to i8**)
39  %1 = call i8* @llvm.stacksave()
40  store i8* %1, i8** getelementptr (i8** bitcast ([1 x %struct.__jmp_buf_tag]* @env_sigill to i8**), i32 2)
41  %2 = call i32 @llvm.eh.sjlj.setjmp(i8* bitcast ([1 x %struct.__jmp_buf_tag]* @env_sigill to i8*))
42  %tobool = icmp ne i32 %2, 0
43  br i1 %tobool, label %if.then, label %if.else
44
45if.then:                                          ; preds = %entry
46  store i32 1, i32* %retval
47  br label %return
48
49if.else:                                          ; preds = %entry
50  call void @foo()
51  br label %if.end
52
53if.end:                                           ; preds = %if.else
54  store i32 0, i32* %retval
55  br label %return
56
57return:                                           ; preds = %if.end, %if.then
58  %3 = load i32* %retval
59  ret i32 %3
60
61; FIXME: We should be saving VRSAVE on Darwin, but we're not!
62
63; CHECK: @main
64; CHECK: std
65; Make sure that we're not saving VRSAVE on non-Darwin:
66; CHECK-NOT: mfspr
67
68; CHECK-DAG: stfd
69; CHECK-DAG: stvx
70
71; CHECK-DAG: addis [[REG:[0-9]+]], 2, env_sigill@toc@ha
72; CHECK-DAG: std 31, env_sigill@toc@l([[REG]])
73; CHECK-DAG: addi [[REGA:[0-9]+]], [[REG]], env_sigill@toc@l
74; CHECK-DAG: std [[REGA]], [[OFF:[0-9]+]](31)                  # 8-byte Folded Spill
75; CHECK-DAG: std 1, 16([[REGA]])
76; CHECK-DAG: std 2, 24([[REGA]])
77; CHECK: bcl 20, 31, .LBB1_1
78; CHECK: li 3, 1
79; CHECK: #EH_SjLj_Setup	.LBB1_1
80; CHECK: b .LBB1_2
81
82; CHECK: .LBB1_1:
83; CHECK: mflr [[REGL:[0-9]+]]
84; CHECK: ld [[REG2:[0-9]+]], [[OFF]](31)                   # 8-byte Folded Reload
85; CHECK: std [[REGL]], 8([[REG2]])
86; CHECK: li 3, 0
87
88; CHECK: .LBB1_2:
89
90; CHECK: lfd
91; CHECK: lvx
92; CHECK: ld
93; CHECK: blr
94
95; CHECK-NOAV: @main
96; CHECK-NOAV-NOT: stvx
97; CHECK-NOAV: bcl
98; CHECK-NOAV: mflr
99; CHECK-NOAV: bl foo
100; CHECK-NOAV-NOT: lvx
101; CHECK-NOAV: blr
102}
103
104define signext i32 @main2() #0 {
105entry:
106  %a = alloca i8, align 64
107  call void @bar(i8* %a)
108  %retval = alloca i32, align 4
109  store i32 0, i32* %retval
110  %0 = call i8* @llvm.frameaddress(i32 0)
111  store i8* %0, i8** bitcast ([1 x %struct.__jmp_buf_tag]* @env_sigill to i8**)
112  %1 = call i8* @llvm.stacksave()
113  store i8* %1, i8** getelementptr (i8** bitcast ([1 x %struct.__jmp_buf_tag]* @env_sigill to i8**), i32 2)
114  %2 = call i32 @llvm.eh.sjlj.setjmp(i8* bitcast ([1 x %struct.__jmp_buf_tag]* @env_sigill to i8*))
115  %tobool = icmp ne i32 %2, 0
116  br i1 %tobool, label %if.then, label %if.else
117
118if.then:                                          ; preds = %entry
119  store i32 1, i32* %retval
120  br label %return
121
122if.else:                                          ; preds = %entry
123  call void @foo()
124  br label %if.end
125
126if.end:                                           ; preds = %if.else
127  store i32 0, i32* %retval
128  br label %return
129
130return:                                           ; preds = %if.end, %if.then
131  %3 = load i32* %retval
132  ret i32 %3
133
134; CHECK: @main2
135
136; CHECK: addis [[REG:[0-9]+]], 2, env_sigill@toc@ha
137; CHECK-DAG: std 31, env_sigill@toc@l([[REG]])
138; CHECK-DAG: addi [[REGB:[0-9]+]], [[REG]], env_sigill@toc@l
139; CHECK-DAG: std [[REGB]], [[OFF:[0-9]+]](31)                  # 8-byte Folded Spill
140; CHECK-DAG: std 1, 16([[REGB]])
141; CHECK-DAG: std 2, 24([[REGB]])
142; CHECK-DAG: std 30, 32([[REGB]])
143; CHECK: bcl 20, 31,
144
145; CHECK: blr
146}
147
148declare void @bar(i8*) #3
149
150declare i8* @llvm.frameaddress(i32) #2
151
152declare i8* @llvm.stacksave() #3
153
154declare i32 @llvm.eh.sjlj.setjmp(i8*) #3
155
156attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
157attributes #1 = { noreturn nounwind }
158attributes #2 = { nounwind readnone }
159attributes #3 = { nounwind }
160
161