; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \ ; RUN: | FileCheck %s -check-prefix=RV32I ; TODO: lbu and lhu should be selected to avoid the unnecessary masking. @bytes = global [5 x i8] zeroinitializer, align 1 define i32 @test_zext_i8() { ; RV32I-LABEL: test_zext_i8: ; RV32I: # %bb.0: # %entry ; RV32I-NEXT: lui a0, %hi(bytes) ; RV32I-NEXT: lbu a1, %lo(bytes)(a0) ; RV32I-NEXT: addi a2, zero, 136 ; RV32I-NEXT: bne a1, a2, .LBB0_3 ; RV32I-NEXT: # %bb.1: # %entry ; RV32I-NEXT: addi a0, a0, %lo(bytes) ; RV32I-NEXT: lbu a0, 1(a0) ; RV32I-NEXT: addi a1, zero, 7 ; RV32I-NEXT: bne a0, a1, .LBB0_3 ; RV32I-NEXT: # %bb.2: # %if.end ; RV32I-NEXT: mv a0, zero ; RV32I-NEXT: ret ; RV32I-NEXT: .LBB0_3: # %if.then ; RV32I-NEXT: addi a0, zero, 1 ; RV32I-NEXT: ret entry: %0 = load i8, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @bytes, i32 0, i32 0), align 1 %cmp = icmp eq i8 %0, -120 %1 = load i8, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @bytes, i32 0, i32 1), align 1 %cmp3 = icmp eq i8 %1, 7 %or.cond = and i1 %cmp, %cmp3 br i1 %or.cond, label %if.end, label %if.then if.then: ret i32 1 if.end: ret i32 0 } @shorts = global [5 x i16] zeroinitializer, align 2 define i32 @test_zext_i16() { ; RV32I-LABEL: test_zext_i16: ; RV32I: # %bb.0: # %entry ; RV32I-NEXT: lui a0, %hi(shorts) ; RV32I-NEXT: lui a1, 16 ; RV32I-NEXT: addi a1, a1, -120 ; RV32I-NEXT: lhu a2, %lo(shorts)(a0) ; RV32I-NEXT: bne a2, a1, .LBB1_3 ; RV32I-NEXT: # %bb.1: # %entry ; RV32I-NEXT: addi a0, a0, %lo(shorts) ; RV32I-NEXT: lhu a0, 2(a0) ; RV32I-NEXT: addi a1, zero, 7 ; RV32I-NEXT: bne a0, a1, .LBB1_3 ; RV32I-NEXT: # %bb.2: # %if.end ; RV32I-NEXT: mv a0, zero ; RV32I-NEXT: ret ; RV32I-NEXT: .LBB1_3: # %if.then ; RV32I-NEXT: addi a0, zero, 1 ; RV32I-NEXT: ret entry: %0 = load i16, i16* getelementptr inbounds ([5 x i16], [5 x i16]* @shorts, i32 0, i32 0), align 2 %cmp = icmp eq i16 %0, -120 %1 = load i16, i16* getelementptr inbounds ([5 x i16], [5 x i16]* @shorts, i32 0, i32 1), align 2 %cmp3 = icmp eq i16 %1, 7 %or.cond = and i1 %cmp, %cmp3 br i1 %or.cond, label %if.end, label %if.then if.then: ret i32 1 if.end: ret i32 0 }