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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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32
external/llvm/test/Transforms/InstCombine/zext-phi.ll vendored
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@ -1,32 +0,0 @@
; RUN: opt < %s -instcombine -S | FileCheck %s
target datalayout = "e-m:e-i64:64-n8:16:32:64"
; Although i1 is not in the datalayout, we should treat it
; as a legal type because it is a fundamental type in IR.
; This means we should shrink the phi (sink the zexts).
define i64 @sink_i1_casts(i1 %cond1, i1 %cond2) {
; CHECK-LABEL: @sink_i1_casts(
; CHECK-NEXT: entry:
; CHECK-NEXT: br i1 %cond1, label %if, label %end
; CHECK: if:
; CHECK-NEXT: br label %end
; CHECK: end:
; CHECK-NEXT: [[PHI_IN:%.*]] = phi i1 [ %cond1, %entry ], [ %cond2, %if ]
; CHECK-NEXT: [[PHI:%.*]] = zext i1 [[PHI_IN]] to i64
; CHECK-NEXT: ret i64 [[PHI]]
;
entry:
%z1 = zext i1 %cond1 to i64
br i1 %cond1, label %if, label %end
if:
%z2 = zext i1 %cond2 to i64
br label %end
end:
%phi = phi i64 [ %z1, %entry ], [ %z2, %if ]
ret i64 %phi
}