Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/InstSimplify/past-the-end.ll

@@ -1,93 +0,0 @@
-; NOTE: Assertions have been autogenerated by update_test_checks.py
-; RUN: opt < %s -instsimplify -S | FileCheck %s
-target datalayout = "p:32:32"
-
-; Check some past-the-end subtleties.
-
-@opte_a = global i32 0
-@opte_b = global i32 0
-
-; Comparing base addresses of two distinct globals. Never equal.
-
-define zeroext i1 @no_offsets() {
-; CHECK-LABEL: @no_offsets(
-; CHECK:         ret i1 false
-;
-  %t = icmp eq i32* @opte_a, @opte_b
-  ret i1 %t
-}
-
-; Comparing past-the-end addresses of two distinct globals. Never equal.
-
-define zeroext i1 @both_past_the_end() {
-; CHECK-LABEL: @both_past_the_end(
-; CHECK:         ret i1 icmp eq (i32* getelementptr inbounds (i32, i32* @opte_a, i32 1), i32* getelementptr inbounds (i32, i32* @opte_b, i32 1))
-;
-  %x = getelementptr i32, i32* @opte_a, i32 1
-  %y = getelementptr i32, i32* @opte_b, i32 1
-  %t = icmp eq i32* %x, %y
-  ret i1 %t
-  ; TODO: refine this
-}
-
-; Comparing past-the-end addresses of one global to the base address
-; of another. Can't fold this.
-
-define zeroext i1 @just_one_past_the_end() {
-; CHECK-LABEL: @just_one_past_the_end(
-; CHECK:         ret i1 icmp eq (i32* getelementptr inbounds (i32, i32* @opte_a, i32 1), i32* @opte_b)
-;
-  %x = getelementptr i32, i32* @opte_a, i32 1
-  %t = icmp eq i32* %x, @opte_b
-  ret i1 %t
-}
-
-; Comparing base addresses of two distinct allocas. Never equal.
-
-define zeroext i1 @no_alloca_offsets() {
-; CHECK-LABEL: @no_alloca_offsets(
-; CHECK:         ret i1 false
-;
-  %m = alloca i32
-  %n = alloca i32
-  %t = icmp eq i32* %m, %n
-  ret i1 %t
-}
-
-; Comparing past-the-end addresses of two distinct allocas. Never equal.
-
-define zeroext i1 @both_past_the_end_alloca() {
-; CHECK-LABEL: @both_past_the_end_alloca(
-; CHECK:         [[M:%.*]] = alloca i32
-; CHECK-NEXT:    [[N:%.*]] = alloca i32
-; CHECK-NEXT:    [[X:%.*]] = getelementptr i32, i32* [[M]], i32 1
-; CHECK-NEXT:    [[Y:%.*]] = getelementptr i32, i32* [[N]], i32 1
-; CHECK-NEXT:    [[T:%.*]] = icmp eq i32* [[X]], [[Y]]
-; CHECK-NEXT:    ret i1 [[T]]
-;
-  %m = alloca i32
-  %n = alloca i32
-  %x = getelementptr i32, i32* %m, i32 1
-  %y = getelementptr i32, i32* %n, i32 1
-  %t = icmp eq i32* %x, %y
-  ret i1 %t
-  ; TODO: refine this
-}
-
-; Comparing past-the-end addresses of one alloca to the base address
-; of another. Can't fold this.
-
-define zeroext i1 @just_one_past_the_end_alloca() {
-; CHECK-LABEL: @just_one_past_the_end_alloca(
-; CHECK:         [[M:%.*]] = alloca i32
-; CHECK-NEXT:    [[N:%.*]] = alloca i32
-; CHECK-NEXT:    [[X:%.*]] = getelementptr i32, i32* [[M]], i32 1
-; CHECK-NEXT:    [[T:%.*]] = icmp eq i32* [[X]], [[N]]
-; CHECK-NEXT:    ret i1 [[T]]
-;
-  %m = alloca i32
-  %n = alloca i32
-  %x = getelementptr i32, i32* %m, i32 1
-  %t = icmp eq i32* %x, %n
-  ret i1 %t
-}