; Test 32-bit additions of constants to memory. ; ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s ; Check additions of 1. define void @f1(i32 *%ptr) { ; CHECK: f1: ; CHECK: asi 0(%r2), 1 ; CHECK: br %r14 %val = load i32 *%ptr %add = add i32 %val, 127 store i32 %add, i32 *%ptr ret void } ; Check the high end of the constant range. define void @f2(i32 *%ptr) { ; CHECK: f2: ; CHECK: asi 0(%r2), 127 ; CHECK: br %r14 %val = load i32 *%ptr %add = add i32 %val, 127 store i32 %add, i32 *%ptr ret void } ; Check the next constant up, which must use an addition and a store. ; Both L/AHI and LHI/A would be OK. define void @f3(i32 *%ptr) { ; CHECK: f3: ; CHECK-NOT: asi ; CHECK: st %r0, 0(%r2) ; CHECK: br %r14 %val = load i32 *%ptr %add = add i32 %val, 128 store i32 %add, i32 *%ptr ret void } ; Check the low end of the constant range. define void @f4(i32 *%ptr) { ; CHECK: f4: ; CHECK: asi 0(%r2), -128 ; CHECK: br %r14 %val = load i32 *%ptr %add = add i32 %val, -128 store i32 %add, i32 *%ptr ret void } ; Check the next value down, with the same comment as f3. define void @f5(i32 *%ptr) { ; CHECK: f5: ; CHECK-NOT: asi ; CHECK: st %r0, 0(%r2) ; CHECK: br %r14 %val = load i32 *%ptr %add = add i32 %val, -129 store i32 %add, i32 *%ptr ret void } ; Check the high end of the aligned ASI range. define void @f6(i32 *%base) { ; CHECK: f6: ; CHECK: asi 524284(%r2), 1 ; CHECK: br %r14 %ptr = getelementptr i32 *%base, i64 131071 %val = load i32 *%ptr %add = add i32 %val, 1 store i32 %add, i32 *%ptr ret void } ; Check the next word up, which must use separate address logic. ; Other sequences besides this one would be OK. define void @f7(i32 *%base) { ; CHECK: f7: ; CHECK: agfi %r2, 524288 ; CHECK: asi 0(%r2), 1 ; CHECK: br %r14 %ptr = getelementptr i32 *%base, i64 131072 %val = load i32 *%ptr %add = add i32 %val, 1 store i32 %add, i32 *%ptr ret void } ; Check the low end of the ASI range. define void @f8(i32 *%base) { ; CHECK: f8: ; CHECK: asi -524288(%r2), 1 ; CHECK: br %r14 %ptr = getelementptr i32 *%base, i64 -131072 %val = load i32 *%ptr %add = add i32 %val, 1 store i32 %add, i32 *%ptr ret void } ; Check the next word down, which must use separate address logic. ; Other sequences besides this one would be OK. define void @f9(i32 *%base) { ; CHECK: f9: ; CHECK: agfi %r2, -524292 ; CHECK: asi 0(%r2), 1 ; CHECK: br %r14 %ptr = getelementptr i32 *%base, i64 -131073 %val = load i32 *%ptr %add = add i32 %val, 1 store i32 %add, i32 *%ptr ret void } ; Check that ASI does not allow indices. define void @f10(i64 %base, i64 %index) { ; CHECK: f10: ; CHECK: agr %r2, %r3 ; CHECK: asi 4(%r2), 1 ; CHECK: br %r14 %add1 = add i64 %base, %index %add2 = add i64 %add1, 4 %ptr = inttoptr i64 %add2 to i32 * %val = load i32 *%ptr %add = add i32 %val, 1 store i32 %add, i32 *%ptr ret void }