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1; Check that unaligned accesses are allowed in general. We check the2; few exceptions (like CRL) in their respective test files.3;4; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s5 6; Check that these four byte stores become a single word store.7define void @f1(ptr %ptr) {8; CHECK: f19; CHECK: iilf [[REG:%r[0-5]]], 6605110; CHECK: st [[REG]], 0(%r2)11; CHECK: br %r1412 %off1 = getelementptr i8, ptr %ptr, i64 113 %off2 = getelementptr i8, ptr %ptr, i64 214 %off3 = getelementptr i8, ptr %ptr, i64 315 store i8 0, ptr %ptr16 store i8 1, ptr %off117 store i8 2, ptr %off218 store i8 3, ptr %off319 ret void20}21 22; Check that unaligned 2-byte accesses are allowed.23define i16 @f2(ptr %src, ptr %dst) {24; CHECK-LABEL: f2:25; CHECK: lh %r2, 0(%r2)26; CHECK: sth %r2, 0(%r3)27; CHECK: br %r1428 %val = load i16, ptr %src, align 129 store i16 %val, ptr %dst, align 130 ret i16 %val31}32 33; Check that unaligned 4-byte accesses are allowed.34define i32 @f3(ptr %src1, ptr %src2, ptr %dst) {35; CHECK-LABEL: f3:36; CHECK: l %r2, 0(%r2)37; CHECK: s %r2, 0(%r3)38; CHECK: st %r2, 0(%r4)39; CHECK: br %r1440 %val1 = load i32, ptr %src1, align 141 %val2 = load i32, ptr %src2, align 242 %sub = sub i32 %val1, %val243 store i32 %sub, ptr %dst, align 144 ret i32 %sub45}46 47; Check that unaligned 8-byte accesses are allowed.48define i64 @f4(ptr %src1, ptr %src2, ptr %dst) {49; CHECK-LABEL: f4:50; CHECK: lg %r2, 0(%r2)51; CHECK: sg %r2, 0(%r3)52; CHECK: stg %r2, 0(%r4)53; CHECK: br %r1454 %val1 = load i64, ptr %src1, align 155 %val2 = load i64, ptr %src2, align 256 %sub = sub i64 %val1, %val257 store i64 %sub, ptr %dst, align 458 ret i64 %sub59}60