23 lines
566 B
LLVM
23 lines
566 B
LLVM
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; Test of subtraction that involves a constant as the first operand
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s
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; Check highest 16-bit signed int immediate value.
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define i64 @f1(i64 %a) {
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; CHECK-LABEL: f1:
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; CHECK: lghi %r0, 32767
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; CHECK: sgrk %r2, %r0, %r2
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; CHECK: br %r14
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%sub = sub i64 32767, %a
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ret i64 %sub
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}
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; Check highest 32-bit signed int immediate value.
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define i64 @f2(i64 %a) {
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; CHECK-LABEL: f2:
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; CHECK: lgfi %r0, 2147483647
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; CHECK: sgrk %r2, %r0, %r2
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; CHECK: br %r14
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%sub = sub i64 2147483647, %a
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ret i64 %sub
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}
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