Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Analysis/BasicAA/global-size.ll

@@ -1,52 +0,0 @@
-; A store or load cannot alias a global if the accessed amount is larger then
-; the global.
-
-; RUN: opt < %s -basicaa -gvn -S | FileCheck %s
-target datalayout = "E-p:64:64:64-p1:16:16:16-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
-
-@B = global i16 8
-
-; CHECK-LABEL: @test1(
-define i16 @test1(i32* %P) {
-        %X = load i16, i16* @B
-        store i32 7, i32* %P
-        %Y = load i16, i16* @B
-        %Z = sub i16 %Y, %X
-        ret i16 %Z
-; CHECK: ret i16 0
-}
-
-@B_as1 = addrspace(1) global i16 8
-
-define i16 @test1_as1(i32 addrspace(1)* %P) {
-; CHECK-LABEL: @test1_as1(
-; CHECK: ret i16 0
-  %X = load i16, i16 addrspace(1)* @B_as1
-  store i32 7, i32 addrspace(1)* %P
-  %Y = load i16, i16 addrspace(1)* @B_as1
-  %Z = sub i16 %Y, %X
-  ret i16 %Z
-}
-
-; Cannot know anything about the size of this global.
-; rdar://8813415
-@window = external global [0 x i8]
-
-; CHECK-LABEL: @test2(
-define i8 @test2(i32 %tmp79, i32 %w.2, i32 %indvar89) nounwind {
-  %tmp92 = add i32 %tmp79, %indvar89
-  %arrayidx412 = getelementptr [0 x i8], [0 x i8]* @window, i32 0, i32 %tmp92
-  %tmp93 = add i32 %w.2, %indvar89
-  %arrayidx416 = getelementptr [0 x i8], [0 x i8]* @window, i32 0, i32 %tmp93
-
-  %A = load i8, i8* %arrayidx412, align 1
-  store i8 4, i8* %arrayidx416, align 1
-
-  %B = load i8, i8* %arrayidx412, align 1
-  %C = sub i8 %A, %B
-  ret i8 %C
-
-; CHECK: %B = load i8
-; CHECK: ret i8 %C
-}
-