1 ; RUN: llc -mtriple=x86_64-apple-macosx < %s | FileCheck %s
5 %struct.s1 = type { %ptr, %ptr }
6 %struct.s2 = type { i32, i8*, i8*, [256 x %struct.s1*], [8 x i32], i64, i8*, i32, i64, i64, i32, %struct.s3*, %struct.s3*, [49 x i64] }
7 %struct.s3 = type { %struct.s3*, %struct.s3*, i32, i32, i32 }
9 define fastcc i8* @t(i32 %base) nounwind {
12 ; CHECK: leaq (%rax,%rax,4)
13 %0 = zext i32 %base to i64
14 %1 = getelementptr inbounds %struct.s2* null, i64 %0
15 br i1 undef, label %bb1, label %bb2
22 %2 = getelementptr inbounds %struct.s2* null, i64 %0, i32 0
23 call void @bar(i32* %2) nounwind
30 %3 = call fastcc i8* @foo(%struct.s2* %1) nounwind
37 declare void @bar(i32*)
39 declare fastcc i8* @foo(%struct.s2*) nounwind
43 declare void @printf(...) nounwind
45 define void @commute(i32 %test_case, i32 %scale) nounwind ssp {
46 ; CHECK-LABEL: commute:
48 switch i32 %test_case, label %sw.bb307 [
54 sw.bb: ; preds = %entry, %entry, %entry
57 %mul = mul nsw i32 %test_case, 3
58 %mul20 = mul nsw i32 %mul, %scale
59 br i1 undef, label %if.end34, label %sw.bb307
61 if.end34: ; preds = %sw.bb
65 tail call void (...)* @printf(i32 %test_case, i32 %mul20) nounwind
66 %tmp = mul i32 %scale, %test_case
67 %tmp752 = mul i32 %tmp, 3
68 %tmp753 = zext i32 %tmp752 to i64
69 br label %bb.nph743.us
71 for.body53.us: ; preds = %bb.nph743.us, %for.body53.us
72 %exitcond = icmp eq i64 undef, %tmp753
73 br i1 %exitcond, label %bb.nph743.us, label %for.body53.us
75 bb.nph743.us: ; preds = %for.body53.us, %if.end34
76 br label %for.body53.us
78 sw.bb307: ; preds = %sw.bb, %entry
82 ; CSE physical register defining instruction across MBB boundary.
84 define i32 @cross_mbb_phys_cse(i32 %a, i32 %b) nounwind ssp {
86 ; CHECK-LABEL: cross_mbb_phys_cse:
89 %cmp = icmp ugt i32 %a, %b
90 br i1 %cmp, label %return, label %if.end
92 if.end: ; preds = %entry
95 %cmp1 = icmp ult i32 %a, %b
96 %. = sext i1 %cmp1 to i32
99 return: ; preds = %if.end, %entry
100 %retval.0 = phi i32 [ 1, %entry ], [ %., %if.end ]
105 define i8* @bsd_memchr(i8* %s, i32 %a, i32 %c, i64 %n) nounwind ssp {
115 %cmp = icmp eq i64 %n, 0
116 br i1 %cmp, label %return, label %preheader
119 %conv2 = and i32 %c, 255
123 %n.addr.0 = phi i64 [ %dec, %do.cond ], [ %n, %preheader ]
124 %p.0 = phi i8* [ %incdec.ptr, %do.cond ], [ %s, %preheader ]
125 %cmp3 = icmp eq i32 %a, %conv2
126 br i1 %cmp3, label %return, label %do.cond
129 %incdec.ptr = getelementptr inbounds i8* %p.0, i64 1
130 %dec = add i64 %n.addr.0, -1
131 %cmp6 = icmp eq i64 %dec, 0
132 br i1 %cmp6, label %return, label %do.body
135 %retval.0 = phi i8* [ null, %entry ], [ null, %do.cond ], [ %p.0, %do.body ]
140 @t2_global = external global i32
142 declare i1 @t2_func()
145 store i32 42, i32* @t2_global
146 %c = call i1 @t2_func()
147 br i1 %c, label %a, label %b
150 %l = load i32* @t2_global
157 ; CHECK: t2_global@GOTPCREL(%rip)
158 ; CHECK-NOT: t2_global@GOTPCREL(%rip)