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Imported Upstream version 5.18.0.179

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Former-commit-id: 67aa10e65b237e1c4537630979ee99ebe1374215
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Xamarin Public Jenkins (auto-signing)
2018-10-25 08:34:57 +00:00
parent d6bde52373
commit 8625704ad8
28485 changed files with 3866843 additions and 50 deletions
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42
external/llvm/test/CodeGen/SystemZ/int-neg-01.ll vendored Normal file
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; Test integer negation.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; Test i32->i32 negation.
define i32 @f1(i32 %val) {
; CHECK-LABEL: f1:
; CHECK: lcr %r2, %r2
; CHECK: br %r14
%neg = sub i32 0, %val
ret i32 %neg
}
; Test i32->i64 negation.
define i64 @f2(i32 %val) {
; CHECK-LABEL: f2:
; CHECK: lcgfr %r2, %r2
; CHECK: br %r14
%ext = sext i32 %val to i64
%neg = sub i64 0, %ext
ret i64 %neg
}
; Test i32->i64 negation that uses an "in-register" form of sign extension.
define i64 @f3(i64 %val) {
; CHECK-LABEL: f3:
; CHECK: lcgfr %r2, %r2
; CHECK: br %r14
%trunc = trunc i64 %val to i32
%ext = sext i32 %trunc to i64
%neg = sub i64 0, %ext
ret i64 %neg
}
; Test i64 negation.
define i64 @f4(i64 %val) {
; CHECK-LABEL: f4:
; CHECK: lcgr %r2, %r2
; CHECK: br %r14
%neg = sub i64 0, %val
ret i64 %neg
}