| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=i686-unknown-linux-gnu %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK32 |
| ; RUN: llc -mtriple=x86_64-unknown-linux-gnu %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK64 |
| |
| define void @zero_optsize(i32* %p) optsize { |
| ; CHECK32-LABEL: zero_optsize: |
| ; CHECK32: # %bb.0: # %entry |
| ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK32-NEXT: movl $0, (%eax) |
| ; CHECK32-NEXT: retl |
| ; |
| ; CHECK64-LABEL: zero_optsize: |
| ; CHECK64: # %bb.0: # %entry |
| ; CHECK64-NEXT: movl $0, (%rdi) |
| ; CHECK64-NEXT: retq |
| entry: |
| store i32 0, i32* %p |
| ret void |
| |
| } |
| |
| define void @minus_one_optsize(i32* %p) optsize { |
| ; CHECK32-LABEL: minus_one_optsize: |
| ; CHECK32: # %bb.0: # %entry |
| ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK32-NEXT: movl $-1, (%eax) |
| ; CHECK32-NEXT: retl |
| ; |
| ; CHECK64-LABEL: minus_one_optsize: |
| ; CHECK64: # %bb.0: # %entry |
| ; CHECK64-NEXT: movl $-1, (%rdi) |
| ; CHECK64-NEXT: retq |
| entry: |
| store i32 -1, i32* %p |
| ret void |
| |
| } |
| |
| |
| define void @zero_64(i64* %p) minsize { |
| ; CHECK32-LABEL: zero_64: |
| ; CHECK32: # %bb.0: # %entry |
| ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK32-NEXT: andl $0, 4(%eax) |
| ; CHECK32-NEXT: andl $0, (%eax) |
| ; CHECK32-NEXT: retl |
| ; |
| ; CHECK64-LABEL: zero_64: |
| ; CHECK64: # %bb.0: # %entry |
| ; CHECK64-NEXT: andq $0, (%rdi) |
| ; CHECK64-NEXT: retq |
| entry: |
| store i64 0, i64* %p |
| ret void |
| |
| } |
| |
| define void @zero_32(i32* %p) minsize { |
| ; CHECK32-LABEL: zero_32: |
| ; CHECK32: # %bb.0: # %entry |
| ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK32-NEXT: andl $0, (%eax) |
| ; CHECK32-NEXT: retl |
| ; |
| ; CHECK64-LABEL: zero_32: |
| ; CHECK64: # %bb.0: # %entry |
| ; CHECK64-NEXT: andl $0, (%rdi) |
| ; CHECK64-NEXT: retq |
| entry: |
| store i32 0, i32* %p |
| ret void |
| |
| } |
| |
| define void @zero_16(i16* %p) minsize { |
| ; CHECK32-LABEL: zero_16: |
| ; CHECK32: # %bb.0: # %entry |
| ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK32-NEXT: andw $0, (%eax) |
| ; CHECK32-NEXT: retl |
| ; |
| ; CHECK64-LABEL: zero_16: |
| ; CHECK64: # %bb.0: # %entry |
| ; CHECK64-NEXT: andw $0, (%rdi) |
| ; CHECK64-NEXT: retq |
| entry: |
| store i16 0, i16* %p |
| ret void |
| |
| } |
| |
| |
| define void @minus_one_64(i64* %p) minsize { |
| ; CHECK32-LABEL: minus_one_64: |
| ; CHECK32: # %bb.0: # %entry |
| ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK32-NEXT: orl $-1, 4(%eax) |
| ; CHECK32-NEXT: orl $-1, (%eax) |
| ; CHECK32-NEXT: retl |
| ; |
| ; CHECK64-LABEL: minus_one_64: |
| ; CHECK64: # %bb.0: # %entry |
| ; CHECK64-NEXT: orq $-1, (%rdi) |
| ; CHECK64-NEXT: retq |
| entry: |
| store i64 -1, i64* %p |
| ret void |
| |
| } |
| |
| define void @minus_one_32(i32* %p) minsize { |
| ; CHECK32-LABEL: minus_one_32: |
| ; CHECK32: # %bb.0: # %entry |
| ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK32-NEXT: orl $-1, (%eax) |
| ; CHECK32-NEXT: retl |
| ; |
| ; CHECK64-LABEL: minus_one_32: |
| ; CHECK64: # %bb.0: # %entry |
| ; CHECK64-NEXT: orl $-1, (%rdi) |
| ; CHECK64-NEXT: retq |
| entry: |
| store i32 -1, i32* %p |
| ret void |
| |
| } |
| |
| define void @minus_one_16(i16* %p) minsize { |
| ; CHECK32-LABEL: minus_one_16: |
| ; CHECK32: # %bb.0: # %entry |
| ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK32-NEXT: orw $-1, (%eax) |
| ; CHECK32-NEXT: retl |
| ; |
| ; CHECK64-LABEL: minus_one_16: |
| ; CHECK64: # %bb.0: # %entry |
| ; CHECK64-NEXT: orw $-1, (%rdi) |
| ; CHECK64-NEXT: retq |
| entry: |
| store i16 -1, i16* %p |
| ret void |
| |
| } |
| |
| ; FIXME: Make sure we don't use the and/or trick on volatile stores. |
| define void @volatile_zero_64(i64* %p) minsize { |
| ; CHECK32-LABEL: volatile_zero_64: |
| ; CHECK32: # %bb.0: # %entry |
| ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK32-NEXT: xorl %ecx, %ecx |
| ; CHECK32-NEXT: movl %ecx, 4(%eax) |
| ; CHECK32-NEXT: movl %ecx, (%eax) |
| ; CHECK32-NEXT: retl |
| ; |
| ; CHECK64-LABEL: volatile_zero_64: |
| ; CHECK64: # %bb.0: # %entry |
| ; CHECK64-NEXT: movq $0, (%rdi) |
| ; CHECK64-NEXT: retq |
| entry: |
| store volatile i64 0, i64* %p |
| ret void |
| } |
| |
| define void @volatile_zero_32(i32* %p) minsize { |
| ; CHECK32-LABEL: volatile_zero_32: |
| ; CHECK32: # %bb.0: # %entry |
| ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK32-NEXT: movl $0, (%eax) |
| ; CHECK32-NEXT: retl |
| ; |
| ; CHECK64-LABEL: volatile_zero_32: |
| ; CHECK64: # %bb.0: # %entry |
| ; CHECK64-NEXT: movl $0, (%rdi) |
| ; CHECK64-NEXT: retq |
| entry: |
| store volatile i32 0, i32* %p |
| ret void |
| } |
| |
| define void @volatile_zero_16(i16* %p) minsize { |
| ; CHECK32-LABEL: volatile_zero_16: |
| ; CHECK32: # %bb.0: # %entry |
| ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK32-NEXT: movw $0, (%eax) |
| ; CHECK32-NEXT: retl |
| ; |
| ; CHECK64-LABEL: volatile_zero_16: |
| ; CHECK64: # %bb.0: # %entry |
| ; CHECK64-NEXT: movw $0, (%rdi) |
| ; CHECK64-NEXT: retq |
| entry: |
| store volatile i16 0, i16* %p |
| ret void |
| } |
| |
| |
| define void @volatile_minus_one_64(i64* %p) minsize { |
| ; CHECK32-LABEL: volatile_minus_one_64: |
| ; CHECK32: # %bb.0: # %entry |
| ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK32-NEXT: xorl %ecx, %ecx |
| ; CHECK32-NEXT: decl %ecx |
| ; CHECK32-NEXT: movl %ecx, 4(%eax) |
| ; CHECK32-NEXT: movl %ecx, (%eax) |
| ; CHECK32-NEXT: retl |
| ; |
| ; CHECK64-LABEL: volatile_minus_one_64: |
| ; CHECK64: # %bb.0: # %entry |
| ; CHECK64-NEXT: movq $-1, (%rdi) |
| ; CHECK64-NEXT: retq |
| entry: |
| store volatile i64 -1, i64* %p |
| ret void |
| } |
| |
| define void @volatile_minus_one_32(i32* %p) minsize { |
| ; CHECK32-LABEL: volatile_minus_one_32: |
| ; CHECK32: # %bb.0: # %entry |
| ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK32-NEXT: movl $-1, (%eax) |
| ; CHECK32-NEXT: retl |
| ; |
| ; CHECK64-LABEL: volatile_minus_one_32: |
| ; CHECK64: # %bb.0: # %entry |
| ; CHECK64-NEXT: movl $-1, (%rdi) |
| ; CHECK64-NEXT: retq |
| entry: |
| store volatile i32 -1, i32* %p |
| ret void |
| } |
| |
| define void @volatile_minus_one_16(i16* %p) minsize { |
| ; CHECK32-LABEL: volatile_minus_one_16: |
| ; CHECK32: # %bb.0: # %entry |
| ; CHECK32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; CHECK32-NEXT: movw $-1, (%eax) |
| ; CHECK32-NEXT: retl |
| ; |
| ; CHECK64-LABEL: volatile_minus_one_16: |
| ; CHECK64: # %bb.0: # %entry |
| ; CHECK64-NEXT: movw $-1, (%rdi) |
| ; CHECK64-NEXT: retq |
| entry: |
| store volatile i16 -1, i16* %p |
| ret void |
| } |