| ; Test 32-bit floating-point loads. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s |
| |
| ; Test the low end of the LE range. |
| define float @f1(ptr %src) { |
| ; CHECK-LABEL: f1: |
| ; CHECK: le %f0, 0(%r2) |
| ; CHECK: br %r14 |
| %val = load float, ptr %src |
| ret float %val |
| } |
| |
| ; Test the high end of the LE range. |
| define float @f2(ptr %src) { |
| ; CHECK-LABEL: f2: |
| ; CHECK: le %f0, 4092(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr float, ptr %src, i64 1023 |
| %val = load float, ptr %ptr |
| ret float %val |
| } |
| |
| ; Check the next word up, which should use LEY instead of LE. |
| define float @f3(ptr %src) { |
| ; CHECK-LABEL: f3: |
| ; CHECK: ley %f0, 4096(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr float, ptr %src, i64 1024 |
| %val = load float, ptr %ptr |
| ret float %val |
| } |
| |
| ; Check the high end of the aligned LEY range. |
| define float @f4(ptr %src) { |
| ; CHECK-LABEL: f4: |
| ; CHECK: ley %f0, 524284(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr float, ptr %src, i64 131071 |
| %val = load float, ptr %ptr |
| ret float %val |
| } |
| |
| ; Check the next word up, which needs separate address logic. |
| ; Other sequences besides this one would be OK. |
| define float @f5(ptr %src) { |
| ; CHECK-LABEL: f5: |
| ; CHECK: agfi %r2, 524288 |
| ; CHECK: le %f0, 0(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr float, ptr %src, i64 131072 |
| %val = load float, ptr %ptr |
| ret float %val |
| } |
| |
| ; Check the high end of the negative aligned LEY range. |
| define float @f6(ptr %src) { |
| ; CHECK-LABEL: f6: |
| ; CHECK: ley %f0, -4(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr float, ptr %src, i64 -1 |
| %val = load float, ptr %ptr |
| ret float %val |
| } |
| |
| ; Check the low end of the LEY range. |
| define float @f7(ptr %src) { |
| ; CHECK-LABEL: f7: |
| ; CHECK: ley %f0, -524288(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr float, ptr %src, i64 -131072 |
| %val = load float, ptr %ptr |
| ret float %val |
| } |
| |
| ; Check the next word down, which needs separate address logic. |
| ; Other sequences besides this one would be OK. |
| define float @f8(ptr %src) { |
| ; CHECK-LABEL: f8: |
| ; CHECK: agfi %r2, -524292 |
| ; CHECK: le %f0, 0(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr float, ptr %src, i64 -131073 |
| %val = load float, ptr %ptr |
| ret float %val |
| } |
| |
| ; Check that LE allows an index. |
| define float @f9(i64 %src, i64 %index) { |
| ; CHECK-LABEL: f9: |
| ; CHECK: le %f0, 4092({{%r3,%r2|%r2,%r3}}) |
| ; CHECK: br %r14 |
| %add1 = add i64 %src, %index |
| %add2 = add i64 %add1, 4092 |
| %ptr = inttoptr i64 %add2 to ptr |
| %val = load float, ptr %ptr |
| ret float %val |
| } |
| |
| ; Check that LEY allows an index. |
| define float @f10(i64 %src, i64 %index) { |
| ; CHECK-LABEL: f10: |
| ; CHECK: ley %f0, 4096({{%r3,%r2|%r2,%r3}}) |
| ; CHECK: br %r14 |
| %add1 = add i64 %src, %index |
| %add2 = add i64 %add1, 4096 |
| %ptr = inttoptr i64 %add2 to ptr |
| %val = load float, ptr %ptr |
| ret float %val |
| } |