1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
3; RUN:   | FileCheck %s -check-prefix=RV32I
4
5; TODO: lbu and lhu should be selected to avoid the unnecessary masking.
6
7@bytes = global [5 x i8] zeroinitializer, align 1
8
9define i32 @test_zext_i8() {
10; RV32I-LABEL: test_zext_i8:
11; RV32I:       # %bb.0: # %entry
12; RV32I-NEXT:    lui a0, %hi(bytes)
13; RV32I-NEXT:    lbu a1, %lo(bytes)(a0)
14; RV32I-NEXT:    addi a2, zero, 136
15; RV32I-NEXT:    bne a1, a2, .LBB0_3
16; RV32I-NEXT:  # %bb.1: # %entry
17; RV32I-NEXT:    addi a0, a0, %lo(bytes)
18; RV32I-NEXT:    lbu a0, 1(a0)
19; RV32I-NEXT:    addi a1, zero, 7
20; RV32I-NEXT:    bne a0, a1, .LBB0_3
21; RV32I-NEXT:  # %bb.2: # %if.end
22; RV32I-NEXT:    mv a0, zero
23; RV32I-NEXT:    ret
24; RV32I-NEXT:  .LBB0_3: # %if.then
25; RV32I-NEXT:    addi a0, zero, 1
26; RV32I-NEXT:    ret
27entry:
28  %0 = load i8, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @bytes, i32 0, i32 0), align 1
29  %cmp = icmp eq i8 %0, -120
30  %1 = load i8, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @bytes, i32 0, i32 1), align 1
31  %cmp3 = icmp eq i8 %1, 7
32  %or.cond = and i1 %cmp, %cmp3
33  br i1 %or.cond, label %if.end, label %if.then
34
35if.then:
36  ret i32 1
37
38if.end:
39  ret i32 0
40}
41
42@shorts = global [5 x i16] zeroinitializer, align 2
43
44define i32 @test_zext_i16() {
45; RV32I-LABEL: test_zext_i16:
46; RV32I:       # %bb.0: # %entry
47; RV32I-NEXT:    lui a0, %hi(shorts)
48; RV32I-NEXT:    lui a1, 16
49; RV32I-NEXT:    addi a1, a1, -120
50; RV32I-NEXT:    lhu a2, %lo(shorts)(a0)
51; RV32I-NEXT:    bne a2, a1, .LBB1_3
52; RV32I-NEXT:  # %bb.1: # %entry
53; RV32I-NEXT:    addi a0, a0, %lo(shorts)
54; RV32I-NEXT:    lhu a0, 2(a0)
55; RV32I-NEXT:    addi a1, zero, 7
56; RV32I-NEXT:    bne a0, a1, .LBB1_3
57; RV32I-NEXT:  # %bb.2: # %if.end
58; RV32I-NEXT:    mv a0, zero
59; RV32I-NEXT:    ret
60; RV32I-NEXT:  .LBB1_3: # %if.then
61; RV32I-NEXT:    addi a0, zero, 1
62; RV32I-NEXT:    ret
63entry:
64  %0 = load i16, i16* getelementptr inbounds ([5 x i16], [5 x i16]* @shorts, i32 0, i32 0), align 2
65  %cmp = icmp eq i16 %0, -120
66  %1 = load i16, i16* getelementptr inbounds ([5 x i16], [5 x i16]* @shorts, i32 0, i32 1), align 2
67  %cmp3 = icmp eq i16 %1, 7
68  %or.cond = and i1 %cmp, %cmp3
69  br i1 %or.cond, label %if.end, label %if.then
70
71if.then:
72  ret i32 1
73
74if.end:
75  ret i32 0
76}
77