31 lines
810 B
LLVM
31 lines
810 B
LLVM
; Test the setup of the environment area, or associated data area (ADA)
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;
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; RUN: llc < %s -mtriple=s390x-ibm-zos -mcpu=z10 | FileCheck %s
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; CHECK-LABEL: caller:
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; CHECK: stmg 6, 8, 1872(4)
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; CHECK-NEXT: aghi 4, -192
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; CHECK-NEXT: lgr 8, 5
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; CHECK-NEXT: brasl 7, callee_internal@PLT
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; CHECK-NEXT: bcr 0, 3
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; CHECK-NEXT: lg 6, 8(8)
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; CHECK-NEXT: lg 5, 0(8)
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; CHECK-NEXT: lgr 8, 3
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; CHECK-NEXT: basr 7, 6
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; CHECK-NEXT: bcr 0, 0
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; CHECK-NEXT: la 3, 0(3,8)
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; CHECK-NEXT: lmg 7, 8, 2072(4)
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; CHECK-NEXT: aghi 4, 192
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; CHECK-NEXT: b 2(7)
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define i64 @caller() {
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%r1 = call i64 () @callee_internal()
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%r2 = call i64 () @callee_external()
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%r3 = add i64 %r1, %r2
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ret i64 %r3
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}
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define internal i64 @callee_internal() {
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ret i64 10
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}
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declare i64 @callee_external()
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