derek.holloway
7502bf64a4
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99 lines
2.8 KiB
LLVM
99 lines
2.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
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; Test use of LOAD LOGICAL INDEXED ADDRESS byte instructions.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z17 | FileCheck %s
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; DO NOT USE: LLXAB with base and index.
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define dso_local ptr @f0(ptr %ptr, i32 %idx) {
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; CHECK-LABEL: f0:
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; CHECK: # %bb.0:
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; CHECK-NEXT: algfr %r2, %r3
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; CHECK-NEXT: br %r14
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%idxprom = zext i32 %idx to i64
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%arrayidx = getelementptr inbounds i8, ptr %ptr, i64 %idxprom
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ret ptr %arrayidx
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}
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; DO NOT USE: LLXAB with base and index (implied extension).
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define dso_local ptr @f1(ptr %ptr, i32 zeroext %idx) {
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; CHECK-LABEL: f1:
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; CHECK: # %bb.0:
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; CHECK-NEXT: agr %r2, %r3
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; CHECK-NEXT: br %r14
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%idxprom = zext i32 %idx to i64
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%arrayidx = getelementptr inbounds i8, ptr %ptr, i64 %idxprom
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ret ptr %arrayidx
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}
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; LLXAB with base and index and max displacement.
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define dso_local ptr @f2(ptr %ptr, i32 %idx) {
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; CHECK-LABEL: f2:
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; CHECK: # %bb.0:
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; CHECK-NEXT: llxab %r2, 524287(%r3,%r2)
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; CHECK-NEXT: br %r14
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%idxoff = add i32 %idx, 524287
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%idxprom = zext i32 %idxoff to i64
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%arrayidx = getelementptr inbounds i8, ptr %ptr, i64 %idxprom
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ret ptr %arrayidx
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}
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; LLXAB with base and index and min displacement.
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define dso_local ptr @f3(ptr %ptr, i32 %idx) {
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; CHECK-LABEL: f3:
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; CHECK: # %bb.0:
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; CHECK-NEXT: llxab %r2, -524288(%r3,%r2)
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; CHECK-NEXT: br %r14
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%idxoff = add i32 %idx, -524288
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%idxprom = zext i32 %idxoff to i64
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%arrayidx = getelementptr inbounds i8, ptr %ptr, i64 %idxprom
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ret ptr %arrayidx
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}
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; DO NOT USE: LLXAB with base and index and max displacement overflow.
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define dso_local ptr @f4(ptr %ptr, i32 %idx) {
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; CHECK-LABEL: f4:
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; CHECK: # %bb.0:
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; CHECK-NEXT: afi %r3, 524288
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; CHECK-NEXT: algfr %r2, %r3
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; CHECK-NEXT: br %r14
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%idxoff = add i32 %idx, 524288
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%idxprom = zext i32 %idxoff to i64
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%arrayidx = getelementptr inbounds i8, ptr %ptr, i64 %idxprom
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ret ptr %arrayidx
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}
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; DO NOT USE: LLXAB with base and index and min displacement overflow.
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define dso_local ptr @f5(ptr %ptr, i32 %idx) {
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; CHECK-LABEL: f5:
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; CHECK: # %bb.0:
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; CHECK-NEXT: afi %r3, -524289
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; CHECK-NEXT: algfr %r2, %r3
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; CHECK-NEXT: br %r14
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%idxoff = add i32 %idx, -524289
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%idxprom = zext i32 %idxoff to i64
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%arrayidx = getelementptr inbounds i8, ptr %ptr, i64 %idxprom
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ret ptr %arrayidx
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}
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; DO NOT USE: LLXAB with index.
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define dso_local i64 @f6(i32 %idx) {
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; CHECK-LABEL: f6:
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; CHECK: # %bb.0:
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; CHECK-NEXT: llgfr %r2, %r2
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; CHECK-NEXT: br %r14
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%idxprom = zext i32 %idx to i64
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ret i64 %idxprom
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}
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; LLXAB with index and displacement.
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define dso_local i64 @f7(i32 %idx) {
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; CHECK-LABEL: f7:
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; CHECK: # %bb.0:
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; CHECK-NEXT: llxab %r2, 1(%r2,0)
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; CHECK-NEXT: br %r14
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%idxoff = add i32 %idx, 1
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%idxprom = zext i32 %idxoff to i64
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ret i64 %idxprom
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}
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