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Imported Upstream version 5.18.0.247

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Former-commit-id: 2d6af2e4ed0eda5cbdc2946446ef7718456ad190
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Xamarin Public Jenkins (auto-signing)
2019-01-25 08:19:26 +00:00
parent 279aa8f685
commit ce8e504569
28478 changed files with 39 additions and 3866962 deletions
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37
external/llvm/test/Transforms/Reassociate/reassoc-intermediate-fnegs.ll vendored
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@@ -1,37 +0,0 @@
; RUN: opt < %s -reassociate -S | FileCheck %s
; Input is A op (B op C)
define half @faddsubAssoc1(half %a, half %b) {
; CHECK-LABEL: @faddsubAssoc1(
; CHECK-NEXT: [[T2_NEG:%.*]] = fmul fast half %a, 0xH4500
; CHECK-NEXT: [[REASS_MUL:%.*]] = fmul fast half %b, 0xH4500
; CHECK-NEXT: [[T51:%.*]] = fsub fast half [[REASS_MUL]], [[T2_NEG]]
; CHECK-NEXT: [[T5:%.*]] = fadd fast half [[REASS_MUL]], [[T2_NEG]]
; CHECK-NEXT: ret half [[T51]]
;
%t1 = fmul fast half %b, 0xH4200 ; 3*b
%t2 = fmul fast half %a, 0xH4500 ; 5*a
%t3 = fmul fast half %b, 0xH4000 ; 2*b
%t4 = fsub fast half %t2, %t1 ; 5 * a - 3 * b
%t5 = fsub fast half %t3, %t4 ; 2 * b - ( 5 * a - 3 * b)
ret half %t5 ; = 5 * (b - a)
}
; Input is (A op B) op C
define half @faddsubAssoc2(half %a, half %b) {
; CHECK-LABEL: @faddsubAssoc2(
; CHECK-NEXT: [[T2:%.*]] = fmul fast half %a, 0xH4500
; CHECK-NEXT: [[REASS_MUL:%.*]] = fmul fast half %b, 0xH3C00
; CHECK-NEXT: [[T5:%.*]] = fadd fast half [[REASS_MUL]], [[T2]]
; CHECK-NEXT: ret half [[T5]]
;
%t1 = fmul fast half %b, 0xH4200 ; 3*b
%t2 = fmul fast half %a, 0xH4500 ; 5*a
%t3 = fmul fast half %b, 0xH4000 ; 2*b
%t4 = fadd fast half %t2, %t1 ; 5 * a + 3 * b
%t5 = fsub fast half %t4, %t3 ; (5 * a + 3 * b) - (2 * b)
ret half %t5 ; = 5 * a + b
}