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.
79 lines
1.9 KiB
LLVM
79 lines
1.9 KiB
LLVM
; Test 64-bit GPR stores.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; Check STG with no displacement.
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define void @f1(ptr %dst, i64 %val) {
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; CHECK-LABEL: f1:
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; CHECK: stg %r3, 0(%r2)
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; CHECK: br %r14
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store i64 %val, ptr %dst
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ret void
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}
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; Check the high end of the aligned STG range.
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define void @f2(ptr %dst, i64 %val) {
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; CHECK-LABEL: f2:
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; CHECK: stg %r3, 524280(%r2)
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; CHECK: br %r14
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%ptr = getelementptr i64, ptr %dst, i64 65535
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store i64 %val, ptr %ptr
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ret void
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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 void @f3(ptr %dst, i64 %val) {
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; CHECK-LABEL: f3:
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; CHECK: agfi %r2, 524288
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; CHECK: stg %r3, 0(%r2)
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; CHECK: br %r14
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%ptr = getelementptr i64, ptr %dst, i64 65536
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store i64 %val, ptr %ptr
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ret void
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}
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; Check the high end of the negative aligned STG range.
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define void @f4(ptr %dst, i64 %val) {
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; CHECK-LABEL: f4:
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; CHECK: stg %r3, -8(%r2)
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; CHECK: br %r14
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%ptr = getelementptr i64, ptr %dst, i64 -1
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store i64 %val, ptr %ptr
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ret void
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}
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; Check the low end of the STG range.
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define void @f5(ptr %dst, i64 %val) {
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; CHECK-LABEL: f5:
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; CHECK: stg %r3, -524288(%r2)
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; CHECK: br %r14
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%ptr = getelementptr i64, ptr %dst, i64 -65536
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store i64 %val, ptr %ptr
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ret void
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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 void @f6(ptr %dst, i64 %val) {
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; CHECK-LABEL: f6:
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; CHECK: agfi %r2, -524296
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; CHECK: stg %r3, 0(%r2)
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; CHECK: br %r14
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%ptr = getelementptr i64, ptr %dst, i64 -65537
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store i64 %val, ptr %ptr
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ret void
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}
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; Check that STG allows an index.
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define void @f7(i64 %dst, i64 %index, i64 %val) {
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; CHECK-LABEL: f7:
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; CHECK: stg %r4, 524287({{%r3,%r2|%r2,%r3}})
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; CHECK: br %r14
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%add1 = add i64 %dst, %index
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%add2 = add i64 %add1, 524287
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%ptr = inttoptr i64 %add2 to ptr
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store i64 %val, ptr %ptr
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ret void
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}
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