| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4 | |
| ; RUN: llc < %s -mtriple=i386-unknown-unknown | FileCheck %s --check-prefixes=X86 | |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefixes=X64 | |
| define i64 @sub8(i64 noundef %res, ptr %byte) { | |
| ; X86-LABEL: sub8: | |
| ; X86: # %bb.0: # %entry | |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax | |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx | |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx | |
| ; X86-NEXT: movb (%ecx), %al | |
| ; X86-NEXT: retl | |
| ; | |
| ; X64-LABEL: sub8: | |
| ; X64: # %bb.0: # %entry | |
| ; X64-NEXT: movq %rdi, %rax | |
| ; X64-NEXT: movb (%rsi), %al | |
| ; X64-NEXT: retq | |
| entry: | |
| %and = and i64 %res, -256 | |
| %d = load i8, ptr %byte, align 1 | |
| %conv2 = zext i8 %d to i64 | |
| %or = or i64 %and, %conv2 | |
| ret i64 %or | |
| } | |
| define i64 @sub16(i64 noundef %res, ptr %byte) { | |
| ; X86-LABEL: sub16: | |
| ; X86: # %bb.0: # %entry | |
| ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx | |
| ; X86-NEXT: shll $16, %ecx | |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx | |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax | |
| ; X86-NEXT: movzwl (%eax), %eax | |
| ; X86-NEXT: orl %ecx, %eax | |
| ; X86-NEXT: retl | |
| ; | |
| ; X64-LABEL: sub16: | |
| ; X64: # %bb.0: # %entry | |
| ; X64-NEXT: movq %rdi, %rax | |
| ; X64-NEXT: movw (%rsi), %ax | |
| ; X64-NEXT: retq | |
| entry: | |
| %and = and i64 %res, -65536 | |
| %d = load i16, ptr %byte, align 1 | |
| %conv2 = zext i16 %d to i64 | |
| %or = or i64 %and, %conv2 | |
| ret i64 %or | |
| } | |
| define i32 @sub8_32(i32 noundef %res, ptr %byte) { | |
| ; X86-LABEL: sub8_32: | |
| ; X86: # %bb.0: # %entry | |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax | |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx | |
| ; X86-NEXT: movb (%ecx), %al | |
| ; X86-NEXT: retl | |
| ; | |
| ; X64-LABEL: sub8_32: | |
| ; X64: # %bb.0: # %entry | |
| ; X64-NEXT: movb (%rsi), %dil | |
| ; X64-NEXT: movl %edi, %eax | |
| ; X64-NEXT: retq | |
| entry: | |
| %and = and i32 %res, -256 | |
| %d = load i8, ptr %byte, align 1 | |
| %conv2 = zext i8 %d to i32 | |
| %or = or i32 %and, %conv2 | |
| ret i32 %or | |
| } | |
| define i32 @sub16_32(i32 noundef %res, ptr %byte) { | |
| ; X86-LABEL: sub16_32: | |
| ; X86: # %bb.0: # %entry | |
| ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx | |
| ; X86-NEXT: shll $16, %ecx | |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax | |
| ; X86-NEXT: movzwl (%eax), %eax | |
| ; X86-NEXT: orl %ecx, %eax | |
| ; X86-NEXT: retl | |
| ; | |
| ; X64-LABEL: sub16_32: | |
| ; X64: # %bb.0: # %entry | |
| ; X64-NEXT: movw (%rsi), %di | |
| ; X64-NEXT: movl %edi, %eax | |
| ; X64-NEXT: retq | |
| entry: | |
| %and = and i32 %res, -65536 | |
| %d = load i16, ptr %byte, align 1 | |
| %conv2 = zext i16 %d to i32 | |
| %or = or i32 %and, %conv2 | |
| ret i32 %or | |
| } | |
| define void @sub8_32_store_i64ptr(i32 noundef %res, ptr %byte, ptr %out) { | |
| ; X86-LABEL: sub8_32_store_i64ptr: | |
| ; X86: # %bb.0: # %entry | |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax | |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx | |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx | |
| ; X86-NEXT: movb (%edx), %cl | |
| ; X86-NEXT: movl %ecx, (%eax) | |
| ; X86-NEXT: movl $0, 4(%eax) | |
| ; X86-NEXT: retl | |
| ; | |
| ; X64-LABEL: sub8_32_store_i64ptr: | |
| ; X64: # %bb.0: # %entry | |
| ; X64-NEXT: movb (%rsi), %dil | |
| ; X64-NEXT: movl %edi, %eax | |
| ; X64-NEXT: movq %rax, (%rdx) | |
| ; X64-NEXT: retq | |
| entry: | |
| %and = and i32 %res, -256 | |
| %d = load i8, ptr %byte, align 1 | |
| %conv2 = zext i8 %d to i32 | |
| %or = or i32 %and, %conv2 | |
| %z = zext i32 %or to i64 | |
| store i64 %z, ptr %out | |
| ret void | |
| } | |
| define void @sub16_32_store_i64ptr(i32 noundef %res, ptr %byte, ptr %out) { | |
| ; X86-LABEL: sub16_32_store_i64ptr: | |
| ; X86: # %bb.0: # %entry | |
| ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax | |
| ; X86-NEXT: shll $16, %eax | |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx | |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx | |
| ; X86-NEXT: movzwl (%edx), %edx | |
| ; X86-NEXT: orl %eax, %edx | |
| ; X86-NEXT: movl %edx, (%ecx) | |
| ; X86-NEXT: movl $0, 4(%ecx) | |
| ; X86-NEXT: retl | |
| ; | |
| ; X64-LABEL: sub16_32_store_i64ptr: | |
| ; X64: # %bb.0: # %entry | |
| ; X64-NEXT: movw (%rsi), %di | |
| ; X64-NEXT: movl %edi, %eax | |
| ; X64-NEXT: movq %rax, (%rdx) | |
| ; X64-NEXT: retq | |
| entry: | |
| %and = and i32 %res, -65536 | |
| %d = load i16, ptr %byte, align 1 | |
| %conv2 = zext i16 %d to i32 | |
| %or = or i32 %and, %conv2 | |
| %z = zext i32 %or to i64 | |
| store i64 %z, ptr %out | |
| ret void | |
| } |