Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
--- a/external/llvm/test/Transforms/LoopLoadElim/opt-size.ll
+++ b/external/llvm/test/Transforms/LoopLoadElim/opt-size.ll
@ -1,76 +0,0 @@
-; RUN: opt -basicaa -loop-load-elim -S < %s | FileCheck %s
-
-; When optimizing for size don't eliminate in this loop because the loop would
-; have to be versioned first because A and C may alias.
-;
-;   for (unsigned i = 0; i < 100; i++) {
-;     A[i+1] = B[i] + 2;
-;     C[i] = A[i] * 2;
-;   }
-
-target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
-
-; CHECK-LABEL: @f(
-define void @f(i32* %A, i32* %B, i32* %C, i64 %N) optsize {
-
-entry:
-  br label %for.body
-
-for.body:                                         ; preds = %for.body, %entry
-  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-
-  %Aidx_next = getelementptr inbounds i32, i32* %A, i64 %indvars.iv.next
-  %Bidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
-  %Cidx = getelementptr inbounds i32, i32* %C, i64 %indvars.iv
-  %Aidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
-
-  %b = load i32, i32* %Bidx, align 4
-  %a_p1 = add i32 %b, 2
-  store i32 %a_p1, i32* %Aidx_next, align 4
-
-  %a = load i32, i32* %Aidx, align 4
-; CHECK: %c = mul i32 %a, 2
-  %c = mul i32 %a, 2
-  store i32 %c, i32* %Cidx, align 4
-
-  %exitcond = icmp eq i64 %indvars.iv.next, %N
-  br i1 %exitcond, label %for.end, label %for.body
-
-for.end:                                          ; preds = %for.body
-  ret void
-}
-
-; Same loop but with noalias on %A and %C.  In this case load-eliminate even
-; with -Os.
-
-; CHECK-LABEL: @g(
-define void @g(i32* noalias %A, i32* %B, i32* noalias %C, i64 %N) optsize {
-
-entry:
-  br label %for.body
-
-for.body:                                         ; preds = %for.body, %entry
-  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-
-  %Aidx_next = getelementptr inbounds i32, i32* %A, i64 %indvars.iv.next
-  %Bidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
-  %Cidx = getelementptr inbounds i32, i32* %C, i64 %indvars.iv
-  %Aidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
-
-  %b = load i32, i32* %Bidx, align 4
-  %a_p1 = add i32 %b, 2
-  store i32 %a_p1, i32* %Aidx_next, align 4
-
-  %a = load i32, i32* %Aidx, align 4
-; CHECK: %c = mul i32 %store_forwarded, 2
-  %c = mul i32 %a, 2
-  store i32 %c, i32* %Cidx, align 4
-
-  %exitcond = icmp eq i64 %indvars.iv.next, %N
-  br i1 %exitcond, label %for.end, label %for.body
-
-for.end:                                          ; preds = %for.body
-  ret void
-}