| ; Test 32-bit ORs in which the second operand is variable. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s |
| |
| declare i32 @foo() |
| |
| ; Check OR. |
| define i32 @f1(i32 %a, i32 %b) { |
| ; CHECK-LABEL: f1: |
| ; CHECK: or %r2, %r3 |
| ; CHECK: br %r14 |
| %or = or i32 %a, %b |
| ret i32 %or |
| } |
| |
| ; Check the low end of the O range. |
| define i32 @f2(i32 %a, i32 *%src) { |
| ; CHECK-LABEL: f2: |
| ; CHECK: o %r2, 0(%r3) |
| ; CHECK: br %r14 |
| %b = load i32, i32 *%src |
| %or = or i32 %a, %b |
| ret i32 %or |
| } |
| |
| ; Check the high end of the aligned O range. |
| define i32 @f3(i32 %a, i32 *%src) { |
| ; CHECK-LABEL: f3: |
| ; CHECK: o %r2, 4092(%r3) |
| ; CHECK: br %r14 |
| %ptr = getelementptr i32, i32 *%src, i64 1023 |
| %b = load i32, i32 *%ptr |
| %or = or i32 %a, %b |
| ret i32 %or |
| } |
| |
| ; Check the next word up, which should use OY instead of O. |
| define i32 @f4(i32 %a, i32 *%src) { |
| ; CHECK-LABEL: f4: |
| ; CHECK: oy %r2, 4096(%r3) |
| ; CHECK: br %r14 |
| %ptr = getelementptr i32, i32 *%src, i64 1024 |
| %b = load i32, i32 *%ptr |
| %or = or i32 %a, %b |
| ret i32 %or |
| } |
| |
| ; Check the high end of the aligned OY range. |
| define i32 @f5(i32 %a, i32 *%src) { |
| ; CHECK-LABEL: f5: |
| ; CHECK: oy %r2, 524284(%r3) |
| ; CHECK: br %r14 |
| %ptr = getelementptr i32, i32 *%src, i64 131071 |
| %b = load i32, i32 *%ptr |
| %or = or i32 %a, %b |
| ret i32 %or |
| } |
| |
| ; Check the next word up, which needs separate address logic. |
| ; Other sequences besides this one would be OK. |
| define i32 @f6(i32 %a, i32 *%src) { |
| ; CHECK-LABEL: f6: |
| ; CHECK: agfi %r3, 524288 |
| ; CHECK: o %r2, 0(%r3) |
| ; CHECK: br %r14 |
| %ptr = getelementptr i32, i32 *%src, i64 131072 |
| %b = load i32, i32 *%ptr |
| %or = or i32 %a, %b |
| ret i32 %or |
| } |
| |
| ; Check the high end of the negative aligned OY range. |
| define i32 @f7(i32 %a, i32 *%src) { |
| ; CHECK-LABEL: f7: |
| ; CHECK: oy %r2, -4(%r3) |
| ; CHECK: br %r14 |
| %ptr = getelementptr i32, i32 *%src, i64 -1 |
| %b = load i32, i32 *%ptr |
| %or = or i32 %a, %b |
| ret i32 %or |
| } |
| |
| ; Check the low end of the OY range. |
| define i32 @f8(i32 %a, i32 *%src) { |
| ; CHECK-LABEL: f8: |
| ; CHECK: oy %r2, -524288(%r3) |
| ; CHECK: br %r14 |
| %ptr = getelementptr i32, i32 *%src, i64 -131072 |
| %b = load i32, i32 *%ptr |
| %or = or i32 %a, %b |
| ret i32 %or |
| } |
| |
| ; Check the next word down, which needs separate address logic. |
| ; Other sequences besides this one would be OK. |
| define i32 @f9(i32 %a, i32 *%src) { |
| ; CHECK-LABEL: f9: |
| ; CHECK: agfi %r3, -524292 |
| ; CHECK: o %r2, 0(%r3) |
| ; CHECK: br %r14 |
| %ptr = getelementptr i32, i32 *%src, i64 -131073 |
| %b = load i32, i32 *%ptr |
| %or = or i32 %a, %b |
| ret i32 %or |
| } |
| |
| ; Check that O allows an index. |
| define i32 @f10(i32 %a, i64 %src, i64 %index) { |
| ; CHECK-LABEL: f10: |
| ; CHECK: o %r2, 4092({{%r4,%r3|%r3,%r4}}) |
| ; CHECK: br %r14 |
| %add1 = add i64 %src, %index |
| %add2 = add i64 %add1, 4092 |
| %ptr = inttoptr i64 %add2 to i32 * |
| %b = load i32, i32 *%ptr |
| %or = or i32 %a, %b |
| ret i32 %or |
| } |
| |
| ; Check that OY allows an index. |
| define i32 @f11(i32 %a, i64 %src, i64 %index) { |
| ; CHECK-LABEL: f11: |
| ; CHECK: oy %r2, 4096({{%r4,%r3|%r3,%r4}}) |
| ; CHECK: br %r14 |
| %add1 = add i64 %src, %index |
| %add2 = add i64 %add1, 4096 |
| %ptr = inttoptr i64 %add2 to i32 * |
| %b = load i32, i32 *%ptr |
| %or = or i32 %a, %b |
| ret i32 %or |
| } |
| |
| ; Check that ORs of spilled values can use O rather than OR. |
| define i32 @f12(i32 *%ptr0) { |
| ; CHECK-LABEL: f12: |
| ; CHECK: brasl %r14, foo@PLT |
| ; CHECK: o %r2, 16{{[04]}}(%r15) |
| ; CHECK: br %r14 |
| %ptr1 = getelementptr i32, i32 *%ptr0, i64 2 |
| %ptr2 = getelementptr i32, i32 *%ptr0, i64 4 |
| %ptr3 = getelementptr i32, i32 *%ptr0, i64 6 |
| %ptr4 = getelementptr i32, i32 *%ptr0, i64 8 |
| %ptr5 = getelementptr i32, i32 *%ptr0, i64 10 |
| %ptr6 = getelementptr i32, i32 *%ptr0, i64 12 |
| %ptr7 = getelementptr i32, i32 *%ptr0, i64 14 |
| %ptr8 = getelementptr i32, i32 *%ptr0, i64 16 |
| %ptr9 = getelementptr i32, i32 *%ptr0, i64 18 |
| |
| %val0 = load i32, i32 *%ptr0 |
| %val1 = load i32, i32 *%ptr1 |
| %val2 = load i32, i32 *%ptr2 |
| %val3 = load i32, i32 *%ptr3 |
| %val4 = load i32, i32 *%ptr4 |
| %val5 = load i32, i32 *%ptr5 |
| %val6 = load i32, i32 *%ptr6 |
| %val7 = load i32, i32 *%ptr7 |
| %val8 = load i32, i32 *%ptr8 |
| %val9 = load i32, i32 *%ptr9 |
| |
| %ret = call i32 @foo() |
| |
| %or0 = or i32 %ret, %val0 |
| %or1 = or i32 %or0, %val1 |
| %or2 = or i32 %or1, %val2 |
| %or3 = or i32 %or2, %val3 |
| %or4 = or i32 %or3, %val4 |
| %or5 = or i32 %or4, %val5 |
| %or6 = or i32 %or5, %val6 |
| %or7 = or i32 %or6, %val7 |
| %or8 = or i32 %or7, %val8 |
| %or9 = or i32 %or8, %val9 |
| |
| ret i32 %or9 |
| } |