diff options
Diffstat (limited to 'test/CodeGen/SystemZ/int-sub-01.ll')
| -rw-r--r-- | test/CodeGen/SystemZ/int-sub-01.ll | 70 |
1 files changed, 58 insertions, 12 deletions
diff --git a/test/CodeGen/SystemZ/int-sub-01.ll b/test/CodeGen/SystemZ/int-sub-01.ll index 9a73814..8d1e56d 100644 --- a/test/CodeGen/SystemZ/int-sub-01.ll +++ b/test/CodeGen/SystemZ/int-sub-01.ll @@ -1,10 +1,13 @@ ; Test 32-bit subtraction. ; -; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s +; 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 SR. define i32 @f1(i32 %a, i32 %b) { -; CHECK: f1: +; CHECK-LABEL: f1: ; CHECK: sr %r2, %r3 ; CHECK: br %r14 %sub = sub i32 %a, %b @@ -13,7 +16,7 @@ define i32 @f1(i32 %a, i32 %b) { ; Check the low end of the S range. define i32 @f2(i32 %a, i32 *%src) { -; CHECK: f2: +; CHECK-LABEL: f2: ; CHECK: s %r2, 0(%r3) ; CHECK: br %r14 %b = load i32 *%src @@ -23,7 +26,7 @@ define i32 @f2(i32 %a, i32 *%src) { ; Check the high end of the aligned S range. define i32 @f3(i32 %a, i32 *%src) { -; CHECK: f3: +; CHECK-LABEL: f3: ; CHECK: s %r2, 4092(%r3) ; CHECK: br %r14 %ptr = getelementptr i32 *%src, i64 1023 @@ -34,7 +37,7 @@ define i32 @f3(i32 %a, i32 *%src) { ; Check the next word up, which should use SY instead of S. define i32 @f4(i32 %a, i32 *%src) { -; CHECK: f4: +; CHECK-LABEL: f4: ; CHECK: sy %r2, 4096(%r3) ; CHECK: br %r14 %ptr = getelementptr i32 *%src, i64 1024 @@ -45,7 +48,7 @@ define i32 @f4(i32 %a, i32 *%src) { ; Check the high end of the aligned SY range. define i32 @f5(i32 %a, i32 *%src) { -; CHECK: f5: +; CHECK-LABEL: f5: ; CHECK: sy %r2, 524284(%r3) ; CHECK: br %r14 %ptr = getelementptr i32 *%src, i64 131071 @@ -57,7 +60,7 @@ define i32 @f5(i32 %a, i32 *%src) { ; 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: f6: +; CHECK-LABEL: f6: ; CHECK: agfi %r3, 524288 ; CHECK: s %r2, 0(%r3) ; CHECK: br %r14 @@ -69,7 +72,7 @@ define i32 @f6(i32 %a, i32 *%src) { ; Check the high end of the negative aligned SY range. define i32 @f7(i32 %a, i32 *%src) { -; CHECK: f7: +; CHECK-LABEL: f7: ; CHECK: sy %r2, -4(%r3) ; CHECK: br %r14 %ptr = getelementptr i32 *%src, i64 -1 @@ -80,7 +83,7 @@ define i32 @f7(i32 %a, i32 *%src) { ; Check the low end of the SY range. define i32 @f8(i32 %a, i32 *%src) { -; CHECK: f8: +; CHECK-LABEL: f8: ; CHECK: sy %r2, -524288(%r3) ; CHECK: br %r14 %ptr = getelementptr i32 *%src, i64 -131072 @@ -92,7 +95,7 @@ define i32 @f8(i32 %a, i32 *%src) { ; 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: f9: +; CHECK-LABEL: f9: ; CHECK: agfi %r3, -524292 ; CHECK: s %r2, 0(%r3) ; CHECK: br %r14 @@ -104,7 +107,7 @@ define i32 @f9(i32 %a, i32 *%src) { ; Check that S allows an index. define i32 @f10(i32 %a, i64 %src, i64 %index) { -; CHECK: f10: +; CHECK-LABEL: f10: ; CHECK: s %r2, 4092({{%r4,%r3|%r3,%r4}}) ; CHECK: br %r14 %add1 = add i64 %src, %index @@ -117,7 +120,7 @@ define i32 @f10(i32 %a, i64 %src, i64 %index) { ; Check that SY allows an index. define i32 @f11(i32 %a, i64 %src, i64 %index) { -; CHECK: f11: +; CHECK-LABEL: f11: ; CHECK: sy %r2, 4096({{%r4,%r3|%r3,%r4}}) ; CHECK: br %r14 %add1 = add i64 %src, %index @@ -127,3 +130,46 @@ define i32 @f11(i32 %a, i64 %src, i64 %index) { %sub = sub i32 %a, %b ret i32 %sub } + +; Check that subtractions of spilled values can use S rather than SR. +define i32 @f12(i32 *%ptr0) { +; CHECK-LABEL: f12: +; CHECK: brasl %r14, foo@PLT +; CHECK: s %r2, 16{{[04]}}(%r15) +; CHECK: br %r14 + %ptr1 = getelementptr i32 *%ptr0, i64 2 + %ptr2 = getelementptr i32 *%ptr0, i64 4 + %ptr3 = getelementptr i32 *%ptr0, i64 6 + %ptr4 = getelementptr i32 *%ptr0, i64 8 + %ptr5 = getelementptr i32 *%ptr0, i64 10 + %ptr6 = getelementptr i32 *%ptr0, i64 12 + %ptr7 = getelementptr i32 *%ptr0, i64 14 + %ptr8 = getelementptr i32 *%ptr0, i64 16 + %ptr9 = getelementptr i32 *%ptr0, i64 18 + + %val0 = load i32 *%ptr0 + %val1 = load i32 *%ptr1 + %val2 = load i32 *%ptr2 + %val3 = load i32 *%ptr3 + %val4 = load i32 *%ptr4 + %val5 = load i32 *%ptr5 + %val6 = load i32 *%ptr6 + %val7 = load i32 *%ptr7 + %val8 = load i32 *%ptr8 + %val9 = load i32 *%ptr9 + + %ret = call i32 @foo() + + %sub0 = sub i32 %ret, %val0 + %sub1 = sub i32 %sub0, %val1 + %sub2 = sub i32 %sub1, %val2 + %sub3 = sub i32 %sub2, %val3 + %sub4 = sub i32 %sub3, %val4 + %sub5 = sub i32 %sub4, %val5 + %sub6 = sub i32 %sub5, %val6 + %sub7 = sub i32 %sub6, %val7 + %sub8 = sub i32 %sub7, %val8 + %sub9 = sub i32 %sub8, %val9 + + ret i32 %sub9 +} |