| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=x86_64-linux-gnu -global-isel -verify-machineinstrs < %s -o - | FileCheck %s --check-prefix=X64 |
| ; RUN: llc -mtriple=i386-linux-gnu -global-isel -verify-machineinstrs < %s -o - | FileCheck %s --check-prefix=X32 |
| |
| define i8 @test_zext_i1toi8(i32 %a) { |
| ; X64-LABEL: test_zext_i1toi8: |
| ; X64: # %bb.0: |
| ; X64-NEXT: andb $1, %dil |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: retq |
| ; |
| ; X32-LABEL: test_zext_i1toi8: |
| ; X32: # %bb.0: |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: andb $1, %al |
| ; X32-NEXT: # kill: def $al killed $al killed $eax |
| ; X32-NEXT: retl |
| %val = trunc i32 %a to i1 |
| %r = zext i1 %val to i8 |
| ret i8 %r |
| } |
| |
| define i16 @test_zext_i1toi16(i32 %a) { |
| ; X64-LABEL: test_zext_i1toi16: |
| ; X64: # %bb.0: |
| ; X64-NEXT: andw $1, %di |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: retq |
| ; |
| ; X32-LABEL: test_zext_i1toi16: |
| ; X32: # %bb.0: |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: andw $1, %ax |
| ; X32-NEXT: # kill: def $ax killed $ax killed $eax |
| ; X32-NEXT: retl |
| %val = trunc i32 %a to i1 |
| %r = zext i1 %val to i16 |
| ret i16 %r |
| } |
| |
| define i32 @test_zext_i1(i32 %a) { |
| ; X64-LABEL: test_zext_i1: |
| ; X64: # %bb.0: |
| ; X64-NEXT: andl $1, %edi |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: retq |
| ; |
| ; X32-LABEL: test_zext_i1: |
| ; X32: # %bb.0: |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: andl $1, %eax |
| ; X32-NEXT: retl |
| %val = trunc i32 %a to i1 |
| %r = zext i1 %val to i32 |
| ret i32 %r |
| } |
| |
| define i32 @test_zext_i8(i8 %val) { |
| ; X64-LABEL: test_zext_i8: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movzbl %dil, %eax |
| ; X64-NEXT: retq |
| ; |
| ; X32-LABEL: test_zext_i8: |
| ; X32: # %bb.0: |
| ; X32-NEXT: movzbl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: retl |
| %r = zext i8 %val to i32 |
| ret i32 %r |
| } |
| |
| define i32 @test_zext_i16(i16 %val) { |
| ; X64-LABEL: test_zext_i16: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movzwl %di, %eax |
| ; X64-NEXT: retq |
| ; |
| ; X32-LABEL: test_zext_i16: |
| ; X32: # %bb.0: |
| ; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: retl |
| %r = zext i16 %val to i32 |
| ret i32 %r |
| } |
| |
| define i32 @test_sext_i8(i8 %val) { |
| ; X64-LABEL: test_sext_i8: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl $24, %ecx |
| ; X64-NEXT: # kill: def $cl killed $ecx |
| ; X64-NEXT: shll %cl, %edi |
| ; X64-NEXT: movl $24, %ecx |
| ; X64-NEXT: # kill: def $cl killed $ecx |
| ; X64-NEXT: sarl %cl, %edi |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: retq |
| ; |
| ; X32-LABEL: test_sext_i8: |
| ; X32: # %bb.0: |
| ; X32-NEXT: movsbl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: retl |
| %r = sext i8 %val to i32 |
| ret i32 %r |
| } |
| |
| define i32 @test_sext_i16(i16 %val) { |
| ; X64-LABEL: test_sext_i16: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl $16, %ecx |
| ; X64-NEXT: # kill: def $cl killed $ecx |
| ; X64-NEXT: shll %cl, %edi |
| ; X64-NEXT: movl $16, %ecx |
| ; X64-NEXT: # kill: def $cl killed $ecx |
| ; X64-NEXT: sarl %cl, %edi |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: retq |
| ; |
| ; X32-LABEL: test_sext_i16: |
| ; X32: # %bb.0: |
| ; X32-NEXT: movswl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: retl |
| %r = sext i16 %val to i32 |
| ret i32 %r |
| } |
| |