Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/test/CodeGen/X86/zext-fold.ll

@@ -1,42 +0,0 @@
-; RUN: llc < %s -mtriple=i686-unknown-linux -enable-misched=false | FileCheck %s
-
-;; Simple case
-define i32 @test1(i8 %x) nounwind readnone {
-  %A = and i8 %x, -32
-  %B = zext i8 %A to i32
-  ret i32 %B
-}
-; CHECK: test1
-; CHECK: movzbl
-; CHECK-NEXT: andl {{.*}}224
-
-;; Multiple uses of %x but easily extensible.
-define i32 @test2(i8 %x) nounwind readnone {
-  %A = and i8 %x, -32
-  %B = zext i8 %A to i32
-  %C = or i8 %x, 63
-  %D = zext i8 %C to i32
-  %E = add i32 %B, %D
-  ret i32 %E
-}
-; CHECK: test2
-; CHECK: movzbl
-; CHECK: andl $224
-; CHECK: orl $63
-
-declare void @use(i32, i8)
-
-;; Multiple uses of %x where we shouldn't extend the load.
-define void @test3(i8 %x) nounwind readnone {
-  %A = and i8 %x, -32
-  %B = zext i8 %A to i32
-  call void @use(i32 %B, i8 %x)
-  ret void
-}
-; CHECK: test3
-; CHECK: movzbl {{[0-9]+}}(%esp), [[REGISTER:%e[a-z]{2}]]
-; CHECK: subl $8, %esp
-; CHECK-NEXT: pushl [[REGISTER]]
-; CHECK-NEXT: andl $224, [[REGISTER]]
-; CHECK-NEXT: pushl [[REGISTER]]
-; CHECK-NEXT: call{{.*}}use