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Imported Upstream version 6.10.0.49

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Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b
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Xamarin Public Jenkins (auto-signing)
2020-01-16 16:38:04 +00:00
parent d94e79959b
commit 468663ddbb
48518 changed files with 2789335 additions and 61176 deletions
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35
external/llvm-project/llvm/test/CodeGen/SystemZ/rot-01.ll vendored Normal file
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; Test shortening of NILL to NILF when the result is used as a rotate amount.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; Test 32-bit rotate.
define i32 @f1(i32 %val, i32 %amt) {
; CHECK-LABEL: f1:
; CHECK: nill %r3, 31
; CHECK: rll %r2, %r2, 0(%r3)
%mod = urem i32 %amt, 32
%inv = sub i32 32, %mod
%parta = shl i32 %val, %mod
%partb = lshr i32 %val, %inv
%rotl = or i32 %parta, %partb
ret i32 %rotl
}
; Test 64-bit rotate.
define i64 @f2(i64 %val, i64 %amt) {
; CHECK-LABEL: f2:
; CHECK: nill %r3, 31
; CHECK: rllg %r2, %r2, 0(%r3)
%mod = urem i64 %amt, 32
%inv = sub i64 64, %mod
%parta = shl i64 %val, %mod
%partb = lshr i64 %val, %inv
%rotl = or i64 %parta, %partb
ret i64 %rotl
}