Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Analysis/BasicAA/store-promote.ll

@@ -1,54 +0,0 @@
-; Test that LICM uses basicaa to do alias analysis, which is capable of 
-; disambiguating some obvious cases.  If LICM is able to disambiguate the
-; two pointers, then the load should be hoisted, and the store sunk.
-
-; RUN: opt < %s -basicaa -licm -S | FileCheck %s
-target datalayout = "E-p:64:64:64-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"
-
-@A = global i32 7               ; <i32*> [#uses=3]
-@B = global i32 8               ; <i32*> [#uses=2]
-@C = global [2 x i32] [ i32 4, i32 8 ]          ; <[2 x i32]*> [#uses=2]
-
-define i32 @test1(i1 %c) {
-        %Atmp = load i32, i32* @A            ; <i32> [#uses=2]
-        br label %Loop
-
-Loop:           ; preds = %Loop, %0
-        %ToRemove = load i32, i32* @A                ; <i32> [#uses=1]
-        store i32 %Atmp, i32* @B
-        br i1 %c, label %Out, label %Loop
-
-Out:            ; preds = %Loop
-        %X = sub i32 %ToRemove, %Atmp           ; <i32> [#uses=1]
-        ret i32 %X
-        
-; The Loop block should be empty after the load/store are promoted.
-; CHECK:     @test1
-; CHECK:        load i32, i32* @A
-; CHECK:      Loop:
-; CHECK-NEXT:   br i1 %c, label %Out, label %Loop
-; CHECK:      Out:
-; CHECK:        store i32 %Atmp, i32* @B
-}
-
-define i32 @test2(i1 %c) {
-        br label %Loop
-
-Loop:           ; preds = %Loop, %0
-        %AVal = load i32, i32* @A            ; <i32> [#uses=2]
-        %C0 = getelementptr [2 x i32], [2 x i32]* @C, i64 0, i64 0         ; <i32*> [#uses=1]
-        store i32 %AVal, i32* %C0
-        %BVal = load i32, i32* @B            ; <i32> [#uses=2]
-        %C1 = getelementptr [2 x i32], [2 x i32]* @C, i64 0, i64 1         ; <i32*> [#uses=1]
-        store i32 %BVal, i32* %C1
-        br i1 %c, label %Out, label %Loop
-
-Out:            ; preds = %Loop
-        %X = sub i32 %AVal, %BVal               ; <i32> [#uses=1]
-        ret i32 %X
-; The Loop block should be empty after the load/store are promoted.
-; CHECK:     @test2
-; CHECK:      Loop:
-; CHECK-NEXT:   br i1 %c, label %Out, label %Loop
-}
-