diff options
Diffstat (limited to 'test/CodeGen/SystemZ/int-mul-02.ll')
| -rw-r--r-- | test/CodeGen/SystemZ/int-mul-02.ll | 67 |
1 files changed, 56 insertions, 11 deletions
diff --git a/test/CodeGen/SystemZ/int-mul-02.ll b/test/CodeGen/SystemZ/int-mul-02.ll index d39c4dd0961c..d002a7f2f9bd 100644 --- a/test/CodeGen/SystemZ/int-mul-02.ll +++ b/test/CodeGen/SystemZ/int-mul-02.ll @@ -2,9 +2,11 @@ ; ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s +declare i32 @foo() + ; Check MSR. define i32 @f1(i32 %a, i32 %b) { -; CHECK: f1: +; CHECK-LABEL: f1: ; CHECK: msr %r2, %r3 ; CHECK: br %r14 %mul = mul i32 %a, %b @@ -13,7 +15,7 @@ define i32 @f1(i32 %a, i32 %b) { ; Check the low end of the MS range. define i32 @f2(i32 %a, i32 *%src) { -; CHECK: f2: +; CHECK-LABEL: f2: ; CHECK: ms %r2, 0(%r3) ; CHECK: br %r14 %b = load i32 *%src @@ -23,7 +25,7 @@ define i32 @f2(i32 %a, i32 *%src) { ; Check the high end of the aligned MS range. define i32 @f3(i32 %a, i32 *%src) { -; CHECK: f3: +; CHECK-LABEL: f3: ; CHECK: ms %r2, 4092(%r3) ; CHECK: br %r14 %ptr = getelementptr i32 *%src, i64 1023 @@ -34,7 +36,7 @@ define i32 @f3(i32 %a, i32 *%src) { ; Check the next word up, which should use MSY instead of MS. define i32 @f4(i32 %a, i32 *%src) { -; CHECK: f4: +; CHECK-LABEL: f4: ; CHECK: msy %r2, 4096(%r3) ; CHECK: br %r14 %ptr = getelementptr i32 *%src, i64 1024 @@ -45,7 +47,7 @@ define i32 @f4(i32 %a, i32 *%src) { ; Check the high end of the aligned MSY range. define i32 @f5(i32 %a, i32 *%src) { -; CHECK: f5: +; CHECK-LABEL: f5: ; CHECK: msy %r2, 524284(%r3) ; CHECK: br %r14 %ptr = getelementptr i32 *%src, i64 131071 @@ -57,7 +59,7 @@ 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: ms %r2, 0(%r3) ; CHECK: br %r14 @@ -69,7 +71,7 @@ define i32 @f6(i32 %a, i32 *%src) { ; Check the high end of the negative aligned MSY range. define i32 @f7(i32 %a, i32 *%src) { -; CHECK: f7: +; CHECK-LABEL: f7: ; CHECK: msy %r2, -4(%r3) ; CHECK: br %r14 %ptr = getelementptr i32 *%src, i64 -1 @@ -80,7 +82,7 @@ define i32 @f7(i32 %a, i32 *%src) { ; Check the low end of the MSY range. define i32 @f8(i32 %a, i32 *%src) { -; CHECK: f8: +; CHECK-LABEL: f8: ; CHECK: msy %r2, -524288(%r3) ; CHECK: br %r14 %ptr = getelementptr i32 *%src, i64 -131072 @@ -92,7 +94,7 @@ 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: ms %r2, 0(%r3) ; CHECK: br %r14 @@ -104,7 +106,7 @@ define i32 @f9(i32 %a, i32 *%src) { ; Check that MS allows an index. define i32 @f10(i32 %a, i64 %src, i64 %index) { -; CHECK: f10: +; CHECK-LABEL: f10: ; CHECK: ms %r2, 4092({{%r4,%r3|%r3,%r4}}) ; CHECK: br %r14 %add1 = add i64 %src, %index @@ -117,7 +119,7 @@ define i32 @f10(i32 %a, i64 %src, i64 %index) { ; Check that MSY allows an index. define i32 @f11(i32 %a, i64 %src, i64 %index) { -; CHECK: f11: +; CHECK-LABEL: f11: ; CHECK: msy %r2, 4096({{%r4,%r3|%r3,%r4}}) ; CHECK: br %r14 %add1 = add i64 %src, %index @@ -127,3 +129,46 @@ define i32 @f11(i32 %a, i64 %src, i64 %index) { %mul = mul i32 %a, %b ret i32 %mul } + +; Check that multiplications of spilled values can use MS rather than MSR. +define i32 @f12(i32 *%ptr0) { +; CHECK-LABEL: f12: +; CHECK: brasl %r14, foo@PLT +; CHECK: ms %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() + + %mul0 = mul i32 %ret, %val0 + %mul1 = mul i32 %mul0, %val1 + %mul2 = mul i32 %mul1, %val2 + %mul3 = mul i32 %mul2, %val3 + %mul4 = mul i32 %mul3, %val4 + %mul5 = mul i32 %mul4, %val5 + %mul6 = mul i32 %mul5, %val6 + %mul7 = mul i32 %mul6, %val7 + %mul8 = mul i32 %mul7, %val8 + %mul9 = mul i32 %mul8, %val9 + + ret i32 %mul9 +} |