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Imported Upstream version 5.18.0.205

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Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927
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Xamarin Public Jenkins (auto-signing)
2018-11-16 08:20:38 +00:00
parent 5cd5df71cc
commit 8e12397d70
28486 changed files with 3867013 additions and 66 deletions
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39
external/llvm/test/Analysis/ScalarEvolution/sext-zero.ll vendored Normal file
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@ -0,0 +1,39 @@
; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s
; CHECK: %tmp9 = shl i64 %tmp8, 33
; CHECK-NEXT: --> {{.*}} Exits: (-8589934592 + (8589934592 * (zext i32 %arg2 to i64)))
; CHECK-NEXT: %tmp10 = ashr exact i64 %tmp9, 0
; CHECK-NEXT: --> {{.*}} Exits: (-8589934592 + (8589934592 * (zext i32 %arg2 to i64)))
define void @foo(i32* nocapture %arg, i32 %arg1, i32 %arg2) {
bb:
%tmp = icmp sgt i32 %arg2, 0
br i1 %tmp, label %bb3, label %bb6
bb3: ; preds = %bb
%tmp4 = zext i32 %arg2 to i64
br label %bb7
bb5: ; preds = %bb7
br label %bb6
bb6: ; preds = %bb5, %bb
ret void
bb7: ; preds = %bb7, %bb3
%tmp8 = phi i64 [ %tmp18, %bb7 ], [ 0, %bb3 ]
%tmp9 = shl i64 %tmp8, 33
%tmp10 = ashr exact i64 %tmp9, 0
%tmp11 = getelementptr inbounds i32, i32* %arg, i64 %tmp10
%tmp12 = load i32, i32* %tmp11, align 4
%tmp13 = sub nsw i32 %tmp12, %arg1
store i32 %tmp13, i32* %tmp11, align 4
%tmp14 = or i64 %tmp10, 1
%tmp15 = getelementptr inbounds i32, i32* %arg, i64 %tmp14
%tmp16 = load i32, i32* %tmp15, align 4
%tmp17 = mul nsw i32 %tmp16, %arg1
store i32 %tmp17, i32* %tmp15, align 4
%tmp18 = add nuw nsw i64 %tmp8, 1
%tmp19 = icmp eq i64 %tmp18, %tmp4
br i1 %tmp19, label %bb5, label %bb7
}