Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/CodeGenPrepare/X86/widen_switch.ll

@@ -1,95 +0,0 @@
-;; x86 is chosen to show the transform when 8-bit and 16-bit registers are available.
-
-; RUN: opt < %s -codegenprepare -S -mtriple=x86_64-unknown-unknown    | FileCheck %s --check-prefix=X86
-
-; No change for x86 because 16-bit registers are part of the architecture.
-
-define i32 @widen_switch_i16(i32 %a)  {
-entry:
-  %trunc = trunc i32 %a to i16
-  switch i16 %trunc, label %sw.default [
-    i16 1, label %sw.bb0
-    i16 -1, label %sw.bb1
-  ]
-
-sw.bb0:
-  br label %return
-
-sw.bb1:
-  br label %return
-
-sw.default:
-  br label %return
-
-return:
-  %retval = phi i32 [ -1, %sw.default ], [ 0, %sw.bb0 ], [ 1, %sw.bb1 ]
-  ret i32 %retval
-
-; X86-LABEL: @widen_switch_i16(
-; X86:       %trunc = trunc i32 %a to i16
-; X86-NEXT:  switch i16 %trunc, label %sw.default [
-; X86-NEXT:    i16 1, label %sw.bb0
-; X86-NEXT:    i16 -1, label %sw.bb1
-}
-
-; Widen to 32-bit from a smaller, non-native type.
-
-define i32 @widen_switch_i17(i32 %a)  {
-entry:
-  %trunc = trunc i32 %a to i17
-  switch i17 %trunc, label %sw.default [
-    i17 10, label %sw.bb0
-    i17 -1, label %sw.bb1
-  ]
-
-sw.bb0:
-  br label %return
-
-sw.bb1:
-  br label %return
-
-sw.default:
-  br label %return
-
-return:
-  %retval = phi i32 [ -1, %sw.default ], [ 0, %sw.bb0 ], [ 1, %sw.bb1 ]
-  ret i32 %retval
-
-; X86-LABEL: @widen_switch_i17(
-; X86:       %0 = zext i17 %trunc to i32
-; X86-NEXT:  switch i32 %0, label %sw.default [
-; X86-NEXT:    i32 10, label %sw.bb0
-; X86-NEXT:    i32 131071, label %sw.bb1
-}
-
-; If the switch condition is a sign-extended function argument, then the
-; condition and cases should be sign-extended rather than zero-extended
-; because the sign-extension can be optimized away.
-
-define i32 @widen_switch_i16_sext(i2 signext %a)  {
-entry:
-  switch i2 %a, label %sw.default [
-    i2 1, label %sw.bb0
-    i2 -1, label %sw.bb1
-  ]
-
-sw.bb0:
-  br label %return
-
-sw.bb1:
-  br label %return
-
-sw.default:
-  br label %return
-
-return:
-  %retval = phi i32 [ -1, %sw.default ], [ 0, %sw.bb0 ], [ 1, %sw.bb1 ]
-  ret i32 %retval
-
-; X86-LABEL: @widen_switch_i16_sext(
-; X86:       %0 = sext i2 %a to i8
-; X86-NEXT:  switch i8 %0, label %sw.default [
-; X86-NEXT:    i8 1, label %sw.bb0
-; X86-NEXT:    i8 -1, label %sw.bb1
-}
-