1 ; RUN: llc < %s -march=x86-64 | FileCheck %s
5 define void @test1(i32* nocapture %X) nounwind minsize {
7 %tmp1 = load i32, i32* %X, align 4
8 %and = and i32 %tmp1, 255
9 %cmp = icmp eq i32 %and, 47
10 br i1 %cmp, label %if.then, label %if.end
13 tail call void @bar() nounwind
19 ; CHECK: cmpb $47, (%{{rdi|rcx}})
22 define void @test2(i32 %X) nounwind minsize {
24 %and = and i32 %X, 255
25 %cmp = icmp eq i32 %and, 47
26 br i1 %cmp, label %if.then, label %if.end
29 tail call void @bar() nounwind
35 ; CHECK: cmpb $47, %{{dil|cl}}
38 define void @test3(i32 %X) nounwind minsize {
40 %and = and i32 %X, 255
41 %cmp = icmp eq i32 %and, 255
42 br i1 %cmp, label %if.then, label %if.end
45 tail call void @bar() nounwind
51 ; CHECK: cmpb $-1, %{{dil|cl}}
55 define i1 @test4(i64 %a, i32 %b) {
57 %tobool = icmp ne i32 %b, 0
58 br i1 %tobool, label %lor.end, label %lor.rhs
60 lor.rhs: ; preds = %entry
62 %tobool1 = icmp ne i64 %and, 0
65 lor.end: ; preds = %lor.rhs, %entry
66 %p = phi i1 [ true, %entry ], [ %tobool1, %lor.rhs ]
70 @x = global { i8, i8, i8, i8, i8, i8, i8, i8 } { i8 1, i8 0, i8 0, i8 0, i8 1, i8 0, i8 0, i8 1 }, align 4
73 define void @test5(i32 %X) nounwind minsize {
75 %bf.load = load i56, i56* bitcast ({ i8, i8, i8, i8, i8, i8, i8, i8 }* @x to i56*), align 4
76 %bf.lshr = lshr i56 %bf.load, 32
77 %bf.cast = trunc i56 %bf.lshr to i32
78 %cmp = icmp ne i32 %bf.cast, 1
79 br i1 %cmp, label %if.then, label %if.end
82 tail call void @bar() nounwind
89 ; CHECK-NOT: cmpl $1,{{.*}}x+4
93 ; CHECK-LABEL: test2_1:
97 define void @test2_1(i32 %X) nounwind minsize {
99 %and = and i32 %X, 255
100 %cmp = icmp eq i32 %and, 256
101 br i1 %cmp, label %if.then, label %if.end
104 tail call void @bar() nounwind
111 ; CHECK-LABEL: test_sext_i8_icmp_1:
112 ; CHECK: cmpb $1, %{{dil|cl}}
113 define void @test_sext_i8_icmp_1(i8 %x) nounwind minsize {
115 %sext = sext i8 %x to i32
116 %cmp = icmp eq i32 %sext, 1
117 br i1 %cmp, label %if.then, label %if.end
120 tail call void @bar() nounwind
127 ; CHECK-LABEL: test_sext_i8_icmp_47:
128 ; CHECK: cmpb $47, %{{dil|cl}}
129 define void @test_sext_i8_icmp_47(i8 %x) nounwind minsize {
131 %sext = sext i8 %x to i32
132 %cmp = icmp eq i32 %sext, 47
133 br i1 %cmp, label %if.then, label %if.end
136 tail call void @bar() nounwind
143 ; CHECK-LABEL: test_sext_i8_icmp_127:
144 ; CHECK: cmpb $127, %{{dil|cl}}
145 define void @test_sext_i8_icmp_127(i8 %x) nounwind minsize {
147 %sext = sext i8 %x to i32
148 %cmp = icmp eq i32 %sext, 127
149 br i1 %cmp, label %if.then, label %if.end
152 tail call void @bar() nounwind
159 ; CHECK-LABEL: test_sext_i8_icmp_neg1:
160 ; CHECK: cmpb $-1, %{{dil|cl}}
161 define void @test_sext_i8_icmp_neg1(i8 %x) nounwind minsize {
163 %sext = sext i8 %x to i32
164 %cmp = icmp eq i32 %sext, -1
165 br i1 %cmp, label %if.then, label %if.end
168 tail call void @bar() nounwind
175 ; CHECK-LABEL: test_sext_i8_icmp_neg2:
176 ; CHECK: cmpb $-2, %{{dil|cl}}
177 define void @test_sext_i8_icmp_neg2(i8 %x) nounwind minsize {
179 %sext = sext i8 %x to i32
180 %cmp = icmp eq i32 %sext, -2
181 br i1 %cmp, label %if.then, label %if.end
184 tail call void @bar() nounwind
191 ; CHECK-LABEL: test_sext_i8_icmp_neg127:
192 ; CHECK: cmpb $-127, %{{dil|cl}}
193 define void @test_sext_i8_icmp_neg127(i8 %x) nounwind minsize {
195 %sext = sext i8 %x to i32
196 %cmp = icmp eq i32 %sext, -127
197 br i1 %cmp, label %if.then, label %if.end
200 tail call void @bar() nounwind
207 ; CHECK-LABEL: test_sext_i8_icmp_neg128:
208 ; CHECK: cmpb $-128, %{{dil|cl}}
209 define void @test_sext_i8_icmp_neg128(i8 %x) nounwind minsize {
211 %sext = sext i8 %x to i32
212 %cmp = icmp eq i32 %sext, -128
213 br i1 %cmp, label %if.then, label %if.end
216 tail call void @bar() nounwind
223 ; CHECK-LABEL: test_sext_i8_icmp_255:
227 define void @test_sext_i8_icmp_255(i8 %x) nounwind minsize {
229 %sext = sext i8 %x to i32
230 %cmp = icmp eq i32 %sext, 255
231 br i1 %cmp, label %if.then, label %if.end
234 tail call void @bar() nounwind