llvm-project/llvm/test/CodeGen/X86/fast-isel-sext-zext.ll

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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-apple-darwin10 -fast-isel -fast-isel-abort=1 | FileCheck %s --check-prefix=X32
; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -fast-isel -fast-isel-abort=1 | FileCheck %s --check-prefix=X64
define i8 @test1(i8 %x) nounwind {
; X32-LABEL: test1:
; X32: ## %bb.0:
; X32-NEXT: movb {{[0-9]+}}(%esp), %al
; X32-NEXT: andb $1, %al
; X32-NEXT: negb %al
; X32-NEXT: retl
;
; X64-LABEL: test1:
; X64: ## %bb.0:
; X64-NEXT: andb $1, %dil
; X64-NEXT: negb %dil
; X64-NEXT: movl %edi, %eax
; X64-NEXT: retq
%z = trunc i8 %x to i1
%u = sext i1 %z to i8
ret i8 %u
}
define i16 @test2(i16 %x) nounwind {
; X32-LABEL: test2:
; X32: ## %bb.0:
; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; X32-NEXT: andb $1, %al
; X32-NEXT: negb %al
; X32-NEXT: movsbl %al, %eax
; X32-NEXT: ## kill: def $ax killed $ax killed $eax
; X32-NEXT: retl
;
; X64-LABEL: test2:
; X64: ## %bb.0:
; X64-NEXT: andb $1, %dil
; X64-NEXT: negb %dil
; X64-NEXT: movsbl %dil, %eax
; X64-NEXT: ## kill: def $ax killed $ax killed $eax
; X64-NEXT: retq
%z = trunc i16 %x to i1
%u = sext i1 %z to i16
ret i16 %u
}
define i32 @test3(i32 %x) nounwind {
; X32-LABEL: test3:
; X32: ## %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: andb $1, %al
; X32-NEXT: negb %al
; X32-NEXT: movsbl %al, %eax
; X32-NEXT: retl
;
; X64-LABEL: test3:
; X64: ## %bb.0:
; X64-NEXT: andb $1, %dil
; X64-NEXT: negb %dil
; X64-NEXT: movsbl %dil, %eax
; X64-NEXT: retq
%z = trunc i32 %x to i1
%u = sext i1 %z to i32
ret i32 %u
}
define i32 @test4(i32 %x) nounwind {
; X32-LABEL: test4:
; X32: ## %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: andb $1, %al
; X32-NEXT: negb %al
; X32-NEXT: movsbl %al, %eax
; X32-NEXT: retl
;
; X64-LABEL: test4:
; X64: ## %bb.0:
; X64-NEXT: andb $1, %dil
; X64-NEXT: negb %dil
; X64-NEXT: movsbl %dil, %eax
; X64-NEXT: retq
%z = trunc i32 %x to i1
%u = sext i1 %z to i32
ret i32 %u
}
define i8 @test5(i8 %x) nounwind {
; X32-LABEL: test5:
; X32: ## %bb.0:
; X32-NEXT: movb {{[0-9]+}}(%esp), %al
; X32-NEXT: andb $1, %al
; X32-NEXT: retl
;
; X64-LABEL: test5:
; X64: ## %bb.0:
; X64-NEXT: andb $1, %dil
; X64-NEXT: movl %edi, %eax
; X64-NEXT: retq
%z = trunc i8 %x to i1
%u = zext i1 %z to i8
ret i8 %u
}
define i16 @test6(i16 %x) nounwind {
; X32-LABEL: test6:
; X32: ## %bb.0:
; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; X32-NEXT: andb $1, %al
; X32-NEXT: movzbl %al, %eax
; X32-NEXT: ## kill: def $ax killed $ax killed $eax
; X32-NEXT: retl
;
; X64-LABEL: test6:
; X64: ## %bb.0:
; X64-NEXT: andb $1, %dil
; X64-NEXT: movzbl %dil, %eax
; X64-NEXT: ## kill: def $ax killed $ax killed $eax
; X64-NEXT: retq
%z = trunc i16 %x to i1
%u = zext i1 %z to i16
ret i16 %u
}
define i32 @test7(i32 %x) nounwind {
; X32-LABEL: test7:
; X32: ## %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: andb $1, %al
; X32-NEXT: movzbl %al, %eax
; X32-NEXT: retl
;
; X64-LABEL: test7:
; X64: ## %bb.0:
; X64-NEXT: andb $1, %dil
; X64-NEXT: movzbl %dil, %eax
; X64-NEXT: retq
%z = trunc i32 %x to i1
%u = zext i1 %z to i32
ret i32 %u
}
define i32 @test8(i32 %x) nounwind {
; X32-LABEL: test8:
; X32: ## %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: andb $1, %al
; X32-NEXT: movzbl %al, %eax
; X32-NEXT: retl
;
; X64-LABEL: test8:
; X64: ## %bb.0:
; X64-NEXT: andb $1, %dil
; X64-NEXT: movzbl %dil, %eax
; X64-NEXT: retq
%z = trunc i32 %x to i1
%u = zext i1 %z to i32
ret i32 %u
}
define i16 @test9(i8 %x) nounwind {
; X32-LABEL: test9:
; X32: ## %bb.0:
; X32-NEXT: movsbl {{[0-9]+}}(%esp), %eax
; X32-NEXT: ## kill: def $ax killed $ax killed $eax
; X32-NEXT: retl
;
; X64-LABEL: test9:
; X64: ## %bb.0:
; X64-NEXT: movsbl %dil, %eax
; X64-NEXT: ## kill: def $ax killed $ax killed $eax
; X64-NEXT: retq
%u = sext i8 %x to i16
ret i16 %u
}
define i32 @test10(i8 %x) nounwind {
; X32-LABEL: test10:
; X32: ## %bb.0:
; X32-NEXT: movsbl {{[0-9]+}}(%esp), %eax
; X32-NEXT: retl
;
; X64-LABEL: test10:
; X64: ## %bb.0:
; X64-NEXT: movsbl %dil, %eax
; X64-NEXT: retq
%u = sext i8 %x to i32
ret i32 %u
}
define i64 @test11(i8 %x) nounwind {
; X32-LABEL: test11:
; X32: ## %bb.0:
; X32-NEXT: movsbl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movl %eax, %edx
; X32-NEXT: sarl $31, %edx
; X32-NEXT: retl
;
; X64-LABEL: test11:
; X64: ## %bb.0:
; X64-NEXT: movsbq %dil, %rax
; X64-NEXT: retq
%u = sext i8 %x to i64
ret i64 %u
}
define i16 @test12(i8 %x) nounwind {
; X32-LABEL: test12:
; X32: ## %bb.0:
; X32-NEXT: movzbl {{[0-9]+}}(%esp), %eax
; X32-NEXT: ## kill: def $ax killed $ax killed $eax
; X32-NEXT: retl
;
; X64-LABEL: test12:
; X64: ## %bb.0:
; X64-NEXT: movzbl %dil, %eax
; X64-NEXT: ## kill: def $ax killed $ax killed $eax
; X64-NEXT: retq
%u = zext i8 %x to i16
ret i16 %u
}
define i32 @test13(i8 %x) nounwind {
; X32-LABEL: test13:
; X32: ## %bb.0:
; X32-NEXT: movzbl {{[0-9]+}}(%esp), %eax
; X32-NEXT: retl
;
; X64-LABEL: test13:
; X64: ## %bb.0:
; X64-NEXT: movzbl %dil, %eax
; X64-NEXT: retq
%u = zext i8 %x to i32
ret i32 %u
}
define i64 @test14(i8 %x) nounwind {
; X32-LABEL: test14:
; X32: ## %bb.0:
; X32-NEXT: movzbl {{[0-9]+}}(%esp), %eax
; X32-NEXT: xorl %edx, %edx
; X32-NEXT: retl
;
; X64-LABEL: test14:
; X64: ## %bb.0:
; X64-NEXT: movzbl %dil, %eax
; X64-NEXT: retq
%u = zext i8 %x to i64
ret i64 %u
}
define i32 @test15(i16 %x) nounwind {
; X32-LABEL: test15:
; X32: ## %bb.0:
; X32-NEXT: movswl {{[0-9]+}}(%esp), %eax
; X32-NEXT: retl
;
; X64-LABEL: test15:
; X64: ## %bb.0:
; X64-NEXT: movswl %di, %eax
; X64-NEXT: retq
%u = sext i16 %x to i32
ret i32 %u
}
define i64 @test16(i16 %x) nounwind {
; X32-LABEL: test16:
; X32: ## %bb.0:
; X32-NEXT: movswl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movl %eax, %edx
; X32-NEXT: sarl $31, %edx
; X32-NEXT: retl
;
; X64-LABEL: test16:
; X64: ## %bb.0:
; X64-NEXT: movswq %di, %rax
; X64-NEXT: retq
%u = sext i16 %x to i64
ret i64 %u
}
define i32 @test17(i16 %x) nounwind {
; X32-LABEL: test17:
; X32: ## %bb.0:
; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; X32-NEXT: retl
;
; X64-LABEL: test17:
; X64: ## %bb.0:
; X64-NEXT: movzwl %di, %eax
; X64-NEXT: retq
%u = zext i16 %x to i32
ret i32 %u
}
define i64 @test18(i16 %x) nounwind {
; X32-LABEL: test18:
; X32: ## %bb.0:
; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; X32-NEXT: xorl %edx, %edx
; X32-NEXT: retl
;
; X64-LABEL: test18:
; X64: ## %bb.0:
; X64-NEXT: movzwl %di, %eax
; X64-NEXT: retq
%u = zext i16 %x to i64
ret i64 %u
}
define i64 @test19(i32 %x) nounwind {
; X32-LABEL: test19:
; X32: ## %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movl %eax, %edx
; X32-NEXT: sarl $31, %edx
; X32-NEXT: retl
;
; X64-LABEL: test19:
; X64: ## %bb.0:
; X64-NEXT: movslq %edi, %rax
; X64-NEXT: retq
%u = sext i32 %x to i64
ret i64 %u
}
define i64 @test20(i32 %x) nounwind {
; X32-LABEL: test20:
; X32: ## %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: xorl %edx, %edx
; X32-NEXT: retl
;
; X64-LABEL: test20:
; X64: ## %bb.0:
; X64-NEXT: movl %edi, %eax
; X64-NEXT: retq
%u = zext i32 %x to i64
ret i64 %u
}