| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=mipsel-linux-gnu -mcpu=mips32r2 -O2 -relocation-model=pic \ |
| ; RUN: -fast-isel -fast-isel-abort=1 | FileCheck %s |
| |
| ; FIXME: The first xor instruction is redundant. |
| define i1 @sel_i1(i1 %j, i1 %k, i1 %l) { |
| ; CHECK-LABEL: sel_i1: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: xor $1, $4, $zero |
| ; CHECK-NEXT: andi $1, $1, 1 |
| ; CHECK-NEXT: movn $6, $5, $1 |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: move $2, $6 |
| entry: |
| %cond = xor i1 %j, false |
| %res = select i1 %cond, i1 %k, i1 %l |
| ret i1 %res |
| } |
| |
| ; FIXME: The seb $X, $zero and xor .., .., $x instructions are redundant. |
| define i8 @sel_i8(i8 %j, i8 %k, i8 %l) { |
| ; CHECK-LABEL: sel_i8: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: seb $1, $4 |
| ; CHECK-NEXT: seb $2, $zero |
| ; CHECK-NEXT: xor $1, $1, $2 |
| ; CHECK-NEXT: sltu $1, $zero, $1 |
| ; CHECK-NEXT: andi $1, $1, 1 |
| ; CHECK-NEXT: movn $6, $5, $1 |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: move $2, $6 |
| entry: |
| %cond = icmp ne i8 %j, 0 |
| %res = select i1 %cond, i8 %k, i8 %l |
| ret i8 %res |
| } |
| |
| ; FIXME: The seh $X, $zero and xor .., .., $x instructions are redundant. |
| define i16 @sel_i16(i16 %j, i16 %k, i16 %l) { |
| ; CHECK-LABEL: sel_i16: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: seh $1, $4 |
| ; CHECK-NEXT: seh $2, $zero |
| ; CHECK-NEXT: xor $1, $1, $2 |
| ; CHECK-NEXT: sltu $1, $zero, $1 |
| ; CHECK-NEXT: andi $1, $1, 1 |
| ; CHECK-NEXT: movn $6, $5, $1 |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: move $2, $6 |
| entry: |
| %cond = icmp ne i16 %j, 0 |
| %res = select i1 %cond, i16 %k, i16 %l |
| ret i16 %res |
| } |
| |
| ; FIXME: The first xor instruction is redundant. |
| define i32 @sel_i32(i32 %j, i32 %k, i32 %l) { |
| ; CHECK-LABEL: sel_i32: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: xor $1, $4, $zero |
| ; CHECK-NEXT: sltu $1, $zero, $1 |
| ; CHECK-NEXT: andi $1, $1, 1 |
| ; CHECK-NEXT: movn $6, $5, $1 |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: move $2, $6 |
| entry: |
| %cond = icmp ne i32 %j, 0 |
| %res = select i1 %cond, i32 %k, i32 %l |
| ret i32 %res |
| } |
| |
| define float @sel_float(i32 %j, float %k, float %l) { |
| ; CHECK-LABEL: sel_float: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: mtc1 $6, $f0 |
| ; CHECK-NEXT: mtc1 $5, $f1 |
| ; CHECK-NEXT: xor $1, $4, $zero |
| ; CHECK-NEXT: sltu $1, $zero, $1 |
| ; CHECK-NEXT: andi $1, $1, 1 |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: movn.s $f0, $f1, $1 |
| entry: |
| %cond = icmp ne i32 %j, 0 |
| %res = select i1 %cond, float %k, float %l |
| ret float %res |
| } |
| |
| define float @sel_float2(float %k, float %l, i32 %j) { |
| ; CHECK-LABEL: sel_float2: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: mov.s $f0, $f14 |
| ; CHECK-NEXT: xor $1, $6, $zero |
| ; CHECK-NEXT: sltu $1, $zero, $1 |
| ; CHECK-NEXT: andi $1, $1, 1 |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: movn.s $f0, $f12, $1 |
| entry: |
| %cond = icmp ne i32 %j, 0 |
| %res = select i1 %cond, float %k, float %l |
| ret float %res |
| } |
| |
| define double @sel_double(i32 %j, double %k, double %l) { |
| ; CHECK-LABEL: sel_double: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: mtc1 $6, $f2 |
| ; CHECK-NEXT: mthc1 $7, $f2 |
| ; CHECK-NEXT: ldc1 $f0, 16($sp) |
| ; CHECK-NEXT: xor $1, $4, $zero |
| ; CHECK-NEXT: sltu $1, $zero, $1 |
| ; CHECK-NEXT: andi $1, $1, 1 |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: movn.d $f0, $f2, $1 |
| entry: |
| %cond = icmp ne i32 %j, 0 |
| %res = select i1 %cond, double %k, double %l |
| ret double %res |
| } |
| |
| define double @sel_double2(double %k, double %l, i32 %j) { |
| ; CHECK-LABEL: sel_double2: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: mov.d $f0, $f14 |
| ; CHECK-NEXT: lw $1, 16($sp) |
| ; CHECK-NEXT: xor $1, $1, $zero |
| ; CHECK-NEXT: sltu $1, $zero, $1 |
| ; CHECK-NEXT: andi $1, $1, 1 |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: movn.d $f0, $f12, $1 |
| entry: |
| %cond = icmp ne i32 %j, 0 |
| %res = select i1 %cond, double %k, double %l |
| ret double %res |
| } |