a1710eb3cd
The LIT test cases were migrated with the script provided by Nikita Popov. No manual changes were made. Committed without review since no functional changes, after consultation with uweigand.
112 lines
2.8 KiB
LLVM
112 lines
2.8 KiB
LLVM
; Test 64-bit floating-point loads.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
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; Test the low end of the LD range.
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define double @f1(ptr %src) {
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; CHECK-LABEL: f1:
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; CHECK: ld %f0, 0(%r2)
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; CHECK: br %r14
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%val = load double, ptr %src
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ret double %val
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}
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; Test the high end of the LD range.
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define double @f2(ptr %src) {
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; CHECK-LABEL: f2:
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; CHECK: ld %f0, 4088(%r2)
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; CHECK: br %r14
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%ptr = getelementptr double, ptr %src, i64 511
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%val = load double, ptr %ptr
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ret double %val
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}
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; Check the next doubleword up, which should use LDY instead of LD.
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define double @f3(ptr %src) {
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; CHECK-LABEL: f3:
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; CHECK: ldy %f0, 4096(%r2)
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; CHECK: br %r14
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%ptr = getelementptr double, ptr %src, i64 512
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%val = load double, ptr %ptr
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ret double %val
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}
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; Check the high end of the aligned LDY range.
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define double @f4(ptr %src) {
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; CHECK-LABEL: f4:
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; CHECK: ldy %f0, 524280(%r2)
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; CHECK: br %r14
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%ptr = getelementptr double, ptr %src, i64 65535
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%val = load double, ptr %ptr
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ret double %val
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}
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; Check the next doubleword up, which needs separate address logic.
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; Other sequences besides this one would be OK.
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define double @f5(ptr %src) {
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; CHECK-LABEL: f5:
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; CHECK: agfi %r2, 524288
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; CHECK: ld %f0, 0(%r2)
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; CHECK: br %r14
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%ptr = getelementptr double, ptr %src, i64 65536
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%val = load double, ptr %ptr
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ret double %val
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}
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; Check the high end of the negative aligned LDY range.
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define double @f6(ptr %src) {
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; CHECK-LABEL: f6:
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; CHECK: ldy %f0, -8(%r2)
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; CHECK: br %r14
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%ptr = getelementptr double, ptr %src, i64 -1
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%val = load double, ptr %ptr
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ret double %val
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}
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; Check the low end of the LDY range.
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define double @f7(ptr %src) {
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; CHECK-LABEL: f7:
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; CHECK: ldy %f0, -524288(%r2)
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; CHECK: br %r14
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%ptr = getelementptr double, ptr %src, i64 -65536
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%val = load double, ptr %ptr
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ret double %val
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}
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; Check the next doubleword down, which needs separate address logic.
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; Other sequences besides this one would be OK.
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define double @f8(ptr %src) {
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; CHECK-LABEL: f8:
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; CHECK: agfi %r2, -524296
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; CHECK: ld %f0, 0(%r2)
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; CHECK: br %r14
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%ptr = getelementptr double, ptr %src, i64 -65537
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%val = load double, ptr %ptr
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ret double %val
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}
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; Check that LD allows an index.
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define double @f9(i64 %src, i64 %index) {
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; CHECK-LABEL: f9:
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; CHECK: ld %f0, 4095({{%r3,%r2|%r2,%r3}})
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; CHECK: br %r14
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%add1 = add i64 %src, %index
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%add2 = add i64 %add1, 4095
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%ptr = inttoptr i64 %add2 to ptr
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%val = load double, ptr %ptr
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ret double %val
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}
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; Check that LDY allows an index.
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define double @f10(i64 %src, i64 %index) {
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; CHECK-LABEL: f10:
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; CHECK: ldy %f0, 4096({{%r3,%r2|%r2,%r3}})
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; CHECK: br %r14
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%add1 = add i64 %src, %index
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%add2 = add i64 %add1, 4096
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%ptr = inttoptr i64 %add2 to ptr
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%val = load double, ptr %ptr
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ret double %val
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}
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