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54 lines
1.9 KiB
LLVM
54 lines
1.9 KiB
LLVM
; Test the handling of i128 argument values
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-INT
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-I128-1
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-I128-2
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-STACK
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declare void @bar(i64, i64, i64, i64, i128,
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i64, i64, i64, i64, i128)
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; There are two indirect i128 slots, one at offset 200 (the first available
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; byte after the outgoing arguments) and one immediately after it at 216.
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; These slots should be set up outside the glued call sequence, so would
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; normally use %f0/%f2 as the first available 128-bit pair. This choice
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; is hard-coded in the I128 tests.
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;
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; The order of the CHECK-STACK stores doesn't matter. It would be OK to reorder
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; them in response to future code changes.
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define void @foo() {
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; CHECK-INT-LABEL: foo:
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; CHECK-INT-DAG: lghi %r2, 1
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; CHECK-INT-DAG: lghi %r3, 2
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; CHECK-INT-DAG: lghi %r4, 3
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; CHECK-INT-DAG: lghi %r5, 4
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; CHECK-INT-DAG: la %r6, {{200|216}}(%r15)
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; CHECK-INT: brasl %r14, bar@PLT
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;
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; CHECK-I128-1-LABEL: foo:
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; CHECK-I128-1: aghi %r15, -232
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; CHECK-I128-1-DAG: mvghi 200(%r15), 0
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; CHECK-I128-1-DAG: mvghi 208(%r15), 0
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; CHECK-I128-1: brasl %r14, bar@PLT
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;
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; CHECK-I128-2-LABEL: foo:
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; CHECK-I128-2: aghi %r15, -232
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; CHECK-I128-2-DAG: mvghi 216(%r15), 0
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; CHECK-I128-2-DAG: mvghi 224(%r15), 0
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; CHECK-I128-2: brasl %r14, bar@PLT
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;
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; CHECK-STACK-LABEL: foo:
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; CHECK-STACK: aghi %r15, -232
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; CHECK-STACK: la [[REGISTER:%r[0-5]+]], {{200|216}}(%r15)
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; CHECK-STACK: stg [[REGISTER]], 192(%r15)
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; CHECK-STACK: mvghi 184(%r15), 8
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; CHECK-STACK: mvghi 176(%r15), 7
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; CHECK-STACK: mvghi 168(%r15), 6
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; CHECK-STACK: mvghi 160(%r15), 5
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; CHECK-STACK: brasl %r14, bar@PLT
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call void @bar (i64 1, i64 2, i64 3, i64 4, i128 0,
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i64 5, i64 6, i64 7, i64 8, i128 0)
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ret void
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}
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