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.
53 lines
1.7 KiB
LLVM
53 lines
1.7 KiB
LLVM
; Make sure that the alloca offset isn't lost when the alloca result is
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; used directly in a load or store. There must always be an LA or LAY.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-A
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-B
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-C
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-D
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declare i64 @bar(ptr %a)
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define i64 @f1(i64 %length, i64 %index) {
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; CHECK-A-LABEL: f1:
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; CHECK-A-DAG: lgr %r15, [[ADDR:%r[1-5]]]
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; CHECK-A-DAG: la %r2, 160([[ADDR]])
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; CHECK-A: mvi 0(%r2), 0
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;
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; CHECK-B-LABEL: f1:
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; CHECK-B-DAG: lgr %r15, [[ADDR:%r[1-5]]]
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; CHECK-B-DAG: la %r2, 160([[ADDR]])
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; CHECK-B: mvi 4095(%r2), 1
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;
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; CHECK-C-LABEL: f1:
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; CHECK-C-DAG: lgr %r15, [[ADDR:%r[1-5]]]
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; CHECK-C-DAG: la %r2, 160([[ADDR]])
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; CHECK-C-DAG: lhi [[TMP:%r[0-5]]], 2
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; CHECK-C: stc [[TMP]], 0({{%r3,%r2|%r2,%r3}})
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;
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; CHECK-D-LABEL: f1:
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; CHECK-D-DAG: lgr %r15, [[ADDR:%r[1-5]]]
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; CHECK-D-DAG: la %r2, 160([[ADDR]])
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; CHECK-D-DAG: lhi [[TMP:%r[0-5]]], 3
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; CHECK-D: stc [[TMP]], 4095({{%r3,%r2|%r2,%r3}})
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;
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; CHECK-E-LABEL: f1:
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; CHECK-E-DAG: lgr %r15, [[ADDR:%r[1-5]]]
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; CHECK-E-DAG: la %r2, 160([[ADDR]])
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; CHECK-E-DAG: lhi [[TMP:%r[0-5]]], 4
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; CHECK-E: stcy [[TMP]], 4096({{%r3,%r2|%r2,%r3}})
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%a = alloca i8, i64 %length
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store volatile i8 0, ptr %a
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%b = getelementptr i8, ptr %a, i64 4095
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store volatile i8 1, ptr %b
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%c = getelementptr i8, ptr %a, i64 %index
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store volatile i8 2, ptr %c
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%d = getelementptr i8, ptr %c, i64 4095
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store volatile i8 3, ptr %d
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%e = getelementptr i8, ptr %d, i64 1
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store volatile i8 4, ptr %e
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%count = call i64 @bar(ptr %a)
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%res = add i64 %count, 1
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ret i64 %res
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}
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