Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927

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

@@ -0,0 +1,55 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s --check-prefix=X32
+; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefix=X64
+
+; Use movzbl to avoid partial-register updates.
+
+define i32 @foo(i32 %p, i8 zeroext %x) nounwind {
+; X32-LABEL: foo:
+; X32:       # %bb.0:
+; X32-NEXT:    movzbl {{[0-9]+}}(%esp), %eax
+; X32-NEXT:    # kill: def %eax killed %eax def %ax
+; X32-NEXT:    divb {{[0-9]+}}(%esp)
+; X32-NEXT:    movzbl %al, %eax
+; X32-NEXT:    andl $1, %eax
+; X32-NEXT:    retl
+;
+; X64-LABEL: foo:
+; X64:       # %bb.0:
+; X64-NEXT:    movzbl %dil, %eax
+; X64-NEXT:    # kill: def %eax killed %eax def %ax
+; X64-NEXT:    divb %sil
+; X64-NEXT:    movzbl %al, %eax
+; X64-NEXT:    andl $1, %eax
+; X64-NEXT:    retq
+  %q = trunc i32 %p to i8
+  %r = udiv i8 %q, %x
+  %s = zext i8 %r to i32
+  %t = and i32 %s, 1
+  ret i32 %t
+}
+
+define i32 @bar(i32 %p, i16 zeroext %x) nounwind {
+; X32-LABEL: bar:
+; X32:       # %bb.0:
+; X32-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
+; X32-NEXT:    xorl %edx, %edx
+; X32-NEXT:    divw {{[0-9]+}}(%esp)
+; X32-NEXT:    # kill: def %ax killed %ax def %eax
+; X32-NEXT:    andl $1, %eax
+; X32-NEXT:    retl
+;
+; X64-LABEL: bar:
+; X64:       # %bb.0:
+; X64-NEXT:    xorl %edx, %edx
+; X64-NEXT:    movl %edi, %eax
+; X64-NEXT:    divw %si
+; X64-NEXT:    # kill: def %ax killed %ax def %eax
+; X64-NEXT:    andl $1, %eax
+; X64-NEXT:    retq
+  %q = trunc i32 %p to i16
+  %r = udiv i16 %q, %x
+  %s = zext i16 %r to i32
+  %t = and i32 %s, 1
+  ret i32 %t
+}