Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2019-04-12 14:10:50 +00:00
parent 8016999e4d
commit 64ac736ec5
32155 changed files with 3981439 additions and 75368 deletions

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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
}