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Imported Upstream version 5.18.0.207

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Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449
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Xamarin Public Jenkins (auto-signing)
2018-11-17 08:23:10 +00:00
parent 8e12397d70
commit eb85e2fc17
28480 changed files with 72 additions and 3866936 deletions
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41
external/llvm/test/CodeGen/SystemZ/fp-neg-02.ll vendored
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@ -1,41 +0,0 @@
; Test floating-point negation on z14.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
; Test f32.
define float @f1(float %f) {
; CHECK-LABEL: f1:
; CHECK: lcdfr %f0, %f0
; CHECK: br %r14
%res = fsub float -0.0, %f
ret float %res
}
; Test f64.
define double @f2(double %f) {
; CHECK-LABEL: f2:
; CHECK: lcdfr %f0, %f0
; CHECK: br %r14
%res = fsub double -0.0, %f
ret double %res
}
; Test f128. With the loads and stores, a pure negation would probably
; be better implemented using an XI on the upper byte. Do some extra
; processing so that using FPRs is unequivocally better.
define void @f3(fp128 *%ptr, fp128 *%ptr2) {
; CHECK-LABEL: f3:
; CHECK-DAG: vl [[REG1:%v[0-9]+]], 0(%r2)
; CHECK-DAG: vl [[REG2:%v[0-9]+]], 0(%r3)
; CHECK-DAG: wflcxb [[NEGREG1:%v[0-9]+]], [[REG1]]
; CHECK: wfdxb [[RES:%v[0-9]+]], [[NEGREG1]], [[REG2]]
; CHECK: vst [[RES]], 0(%r2)
; CHECK: br %r14
%orig = load fp128 , fp128 *%ptr
%negzero = fpext float -0.0 to fp128
%neg = fsub fp128 0xL00000000000000008000000000000000, %orig
%op2 = load fp128 , fp128 *%ptr2
%res = fdiv fp128 %neg, %op2
store fp128 %res, fp128 *%ptr
ret void
}