Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/test/Transforms/GVN/cond_br.ll

@@ -1,55 +0,0 @@
-; RUN: opt -basicaa -gvn -S < %s | FileCheck %s
-@y = external global i32
-@z = external global i32
-
-; Function Attrs: nounwind ssp uwtable
-define void @foo(i32 %x) {
-; CHECK: @foo(i32 %x)
-; CHECK: %.pre = load i32, i32* @y
-; CHECK: call void @bar(i32 %.pre)
-
-  %t = sub i32 %x, %x
-  %.pre = load i32, i32* @y, align 4
-  %cmp = icmp sgt i32 %t, 2
-  br i1 %cmp, label %if.then, label %entry.if.end_crit_edge
-
-entry.if.end_crit_edge:                           ; preds = %entry
-  br label %if.end
-
-if.then:                                          ; preds = %entry
-  %add = add nsw i32 %x, 3
-  store i32 %add, i32* @y, align 4
-  br label %if.end
-
-if.end:                                           ; preds = %entry.if.end_crit_edge, %if.then
-  %1 = phi i32 [ %.pre, %entry.if.end_crit_edge ], [ %add, %if.then ]
-  tail call void @bar(i32 %1)
-  ret void
-}
-
-define void @foo2(i32 %x) {
-; CHECK: @foo2(i32 %x)
-; CHECK: %.pre = load i32, i32* @y
-; CHECK: tail call void @bar(i32 %.pre)
-entry:
-  %t = sub i32 %x, %x
-  %.pre = load i32, i32* @y, align 4
-  %cmp = icmp sgt i32 %t, 2
-  br i1 %cmp, label %if.then, label %if.else
-
-if.then:                                          ; preds = %entry
-  %add = add nsw i32 %x, 3
-  store i32 %add, i32* @y, align 4
-  br label %if.end
-
-if.else:                                          ; preds = %entry
-  store i32 1, i32* @z, align 4
-  br label %if.end
-
-if.end:                                           ; preds = %if.else, %if.then
-  %0 = phi i32 [ %.pre, %if.else ], [ %add, %if.then ]
-  tail call void @bar(i32 %0)
-  ret void
-}
-
-declare void @bar(i32)