| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s |
| |
| define i8 @t1(i8* %X, i64 %i) { |
| ; CHECK-LABEL: t1: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: andq $-255, %rsi |
| ; CHECK-NEXT: movb (%rdi,%rsi,4), %al |
| ; CHECK-NEXT: retq |
| |
| entry: |
| %tmp2 = shl i64 %i, 2 |
| %tmp4 = and i64 %tmp2, -1020 |
| %tmp7 = getelementptr i8, i8* %X, i64 %tmp4 |
| %tmp9 = load i8, i8* %tmp7 |
| ret i8 %tmp9 |
| } |
| |
| define i8 @t2(i8* %X, i64 %i) { |
| ; CHECK-LABEL: t2: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: andq $-14, %rsi |
| ; CHECK-NEXT: movb (%rdi,%rsi,4), %al |
| ; CHECK-NEXT: retq |
| |
| entry: |
| %tmp2 = shl i64 %i, 2 |
| %tmp4 = and i64 %tmp2, -56 |
| %tmp7 = getelementptr i8, i8* %X, i64 %tmp4 |
| %tmp9 = load i8, i8* %tmp7 |
| ret i8 %tmp9 |
| } |
| |
| define i8 @t3(i8* %X, i64 %i) { |
| ; CHECK-LABEL: t3: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: movl %esi, %eax |
| ; CHECK-NEXT: movb (%rdi,%rax,4), %al |
| ; CHECK-NEXT: retq |
| |
| entry: |
| %tmp2 = shl i64 %i, 2 |
| %tmp4 = and i64 %tmp2, 17179869180 |
| %tmp7 = getelementptr i8, i8* %X, i64 %tmp4 |
| %tmp9 = load i8, i8* %tmp7 |
| ret i8 %tmp9 |
| } |
| |
| define i8 @t4(i8* %X, i64 %i) { |
| ; CHECK-LABEL: t4: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: andl $-2, %esi |
| ; CHECK-NEXT: movb (%rdi,%rsi,4), %al |
| ; CHECK-NEXT: retq |
| |
| entry: |
| %tmp2 = shl i64 %i, 2 |
| %tmp4 = and i64 %tmp2, 17179869176 |
| %tmp7 = getelementptr i8, i8* %X, i64 %tmp4 |
| %tmp9 = load i8, i8* %tmp7 |
| ret i8 %tmp9 |
| } |
| |
| define i8 @t5(i8* %X, i64 %i) { |
| ; CHECK-LABEL: t5: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: andl $-250002, %esi # imm = 0xFFFC2F6E |
| ; CHECK-NEXT: movb (%rdi,%rsi,4), %al |
| ; CHECK-NEXT: retq |
| |
| entry: |
| %tmp2 = shl i64 %i, 2 |
| %tmp4 = and i64 %tmp2, 17178869176 |
| %tmp7 = getelementptr i8, i8* %X, i64 %tmp4 |
| %tmp9 = load i8, i8* %tmp7 |
| ret i8 %tmp9 |
| } |
| |
| define i8 @t6(i8* %X, i32 %i) { |
| ; CHECK-LABEL: t6: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: # kill: def $esi killed $esi def $rsi |
| ; CHECK-NEXT: andl $15, %esi |
| ; CHECK-NEXT: movb (%rdi,%rsi,4), %al |
| ; CHECK-NEXT: retq |
| entry: |
| %tmp2 = shl i32 %i, 2 |
| %tmp3 = zext i32 %tmp2 to i64 |
| %tmp4 = and i64 %tmp3, 60 |
| %tmp7 = getelementptr i8, i8* %X, i64 %tmp4 |
| %tmp9 = load i8, i8* %tmp7 |
| ret i8 %tmp9 |
| } |
| |