51 lines
1.5 KiB
LLVM
51 lines
1.5 KiB
LLVM
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; Test incoming i128 arguments.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; Do some arithmetic so that we can see the register being used.
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define void @f1(i128 *%r2, i16 %r3, i32 %r4, i64 %r5, i128 %r6) {
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; CHECK-LABEL: f1:
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; CHECK-DAG: lg [[REGL:%r[0-5]+]], 8(%r6)
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; CHECK-DAG: lg [[REGH:%r[0-5]+]], 0(%r6)
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; CHECK: algr [[REGL]], [[REGL]]
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; CHECK-NEXT: alcgr [[REGH]], [[REGH]]
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; CHECK-DAG: stg [[REGL]], 8(%r2)
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; CHECK-DAG: stg [[REGH]], 0(%r2)
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; CHECK: br %r14
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%y = add i128 %r6, %r6
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store i128 %y, i128 *%r2
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ret void
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}
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; Test a case where the i128 address is passed on the stack.
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define void @f2(i128 *%r2, i16 %r3, i32 %r4, i64 %r5,
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i128 %r6, i64 %s1, i64 %s2, i128 %s4) {
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; CHECK-LABEL: f2:
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; CHECK: lg [[ADDR:%r[1-5]+]], 176(%r15)
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; CHECK-DAG: lg [[REGL:%r[0-5]+]], 8([[ADDR]])
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; CHECK-DAG: lg [[REGH:%r[0-5]+]], 0([[ADDR]])
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; CHECK: algr [[REGL]], [[REGL]]
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; CHECK-NEXT: alcgr [[REGH]], [[REGH]]
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; CHECK-DAG: stg [[REGL]], 8(%r2)
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; CHECK-DAG: stg [[REGH]], 0(%r2)
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; CHECK: br %r14
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%y = add i128 %s4, %s4
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store i128 %y, i128 *%r2
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ret void
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}
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; Explicit i128 return values are likewise passed indirectly.
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define i128 @f14(i128 %r3) {
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; CHECK-LABEL: f14:
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; CHECK-DAG: lg [[REGL:%r[0-5]+]], 8(%r3)
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; CHECK-DAG: lg [[REGH:%r[0-5]+]], 0(%r3)
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; CHECK: algr [[REGL]], [[REGL]]
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; CHECK-NEXT: alcgr [[REGH]], [[REGH]]
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; CHECK-DAG: stg [[REGL]], 8(%r2)
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; CHECK-DAG: stg [[REGH]], 0(%r2)
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; CHECK: br %r14
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%y = add i128 %r3, %r3
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ret i128 %y
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}
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