Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/NewGVN/malloc-load-removal.ll

@@ -1,56 +0,0 @@
-; RUN: opt -S -basicaa -newgvn < %s | FileCheck %s
-; RUN: opt -S -basicaa -newgvn -disable-simplify-libcalls < %s | FileCheck %s -check-prefix=CHECK_NO_LIBCALLS
-; PR13694
-
-target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
-target triple = "x86_64-apple-macosx10.8.0"
-
-declare i8* @malloc(i64) nounwind
-
-define noalias i8* @test1() nounwind uwtable ssp {
-entry:
-  %call = tail call i8* @malloc(i64 100) nounwind
-  %0 = load i8, i8* %call, align 1
-  %tobool = icmp eq i8 %0, 0
-  br i1 %tobool, label %if.end, label %if.then
-
-if.then:                                          ; preds = %entry
-  store i8 0, i8* %call, align 1
-  br label %if.end
-
-if.end:                                           ; preds = %if.then, %entry
-  ret i8* %call
-
-; CHECK-LABEL: @test1(
-; CHECK-NOT: load
-; CHECK-NOT: icmp
-
-; CHECK_NO_LIBCALLS-LABEL: @test1(
-; CHECK_NO_LIBCALLS: load
-; CHECK_NO_LIBCALLS: icmp
-}
-
-declare i8* @_Znwm(i64) nounwind
-
-define noalias i8* @test2() nounwind uwtable ssp {
-entry:
-  %call = tail call i8* @_Znwm(i64 100) nounwind
-  %0 = load i8, i8* %call, align 1
-  %tobool = icmp eq i8 %0, 0
-  br i1 %tobool, label %if.end, label %if.then
-
-if.then:                                          ; preds = %entry
-  store i8 0, i8* %call, align 1
-  br label %if.end
-
-if.end:                                           ; preds = %if.then, %entry
-  ret i8* %call
-
-; CHECK-LABEL: @test2(
-; CHECK-NOT: load
-; CHECK-NOT: icmp
-
-; CHECK_NO_LIBCALLS-LABEL: @test2(
-; CHECK_NO_LIBCALLS: load
-; CHECK_NO_LIBCALLS: icmp
-}