Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/test/CodeGen/X86/pr28504.ll

@@ -1,37 +0,0 @@
-; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
-
-; The test case is rather involved, because we need to get to a state where
-; We have a sext(setcc x, y, cc) -> (select (setcc x, y, cc), T, 0) combine,
-; BUT this combine is only triggered post-legalization, so the setcc's return
-; type is i8. So we can't have the combine opportunity be exposed too early.
-; Basically, what we want to see is that the compare result zero-extended, and 
-; then stored. Only one zext, and no sexts.
-
-; CHECK-LABEL: main:
-; CHECK: movzbl (%rdi), %[[EAX:.*]]
-; CHECK-NEXT: xorl  %e[[C:.]]x, %e[[C]]x
-; CHECK-NEXT: cmpl  $1, %[[EAX]]
-; CHECK-NEXT: sete  %[[C]]l
-; CHECK-NEXT: movl  %e[[C]]x, (%rsi)
-define void @main(i8* %p, i32* %q) {
-bb:
-  %tmp4 = load i8, i8* %p, align 1
-  %tmp5 = sext i8 %tmp4 to i32
-  %tmp6 = load i8, i8* %p, align 1
-  %tmp7 = zext i8 %tmp6 to i32
-  %tmp8 = sub nsw i32 %tmp5, %tmp7
-  %tmp11 = icmp eq i32 %tmp7, 1
-  %tmp12 = zext i1 %tmp11 to i32
-  %tmp13 = add nsw i32 %tmp8, %tmp12
-  %tmp14 = trunc i32 %tmp13 to i8
-  %tmp15 = sext i8 %tmp14 to i16
-  %tmp16 = sext i16 %tmp15 to i32
-  store i32 %tmp16, i32* %q, align 4
-  br i1 %tmp11, label %bb21, label %bb22
-
-bb21:                                             ; preds = %bb
-  unreachable
-
-bb22:                                             ; preds = %bb
-  ret void
-}