phi.ll
12.4 KB
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -O0 -mtriple=mipsel-linux-gnu -global-isel -verify-machineinstrs %s -o -| FileCheck %s -check-prefixes=MIPS32
define i1 @phi_i1(i1 %cnd, i1 %a, i1 %b) {
; MIPS32-LABEL: phi_i1:
; MIPS32: # %bb.0: # %entry
; MIPS32-NEXT: addiu $sp, $sp, -16
; MIPS32-NEXT: .cfi_def_cfa_offset 16
; MIPS32-NEXT: andi $1, $4, 1
; MIPS32-NEXT: sw $5, 12($sp) # 4-byte Folded Spill
; MIPS32-NEXT: sw $6, 8($sp) # 4-byte Folded Spill
; MIPS32-NEXT: bnez $1, $BB0_2
; MIPS32-NEXT: nop
; MIPS32-NEXT: # %bb.1: # %entry
; MIPS32-NEXT: j $BB0_3
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB0_2: # %cond.true
; MIPS32-NEXT: lw $1, 12($sp) # 4-byte Folded Reload
; MIPS32-NEXT: sw $1, 4($sp) # 4-byte Folded Spill
; MIPS32-NEXT: j $BB0_4
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB0_3: # %cond.false
; MIPS32-NEXT: lw $1, 8($sp) # 4-byte Folded Reload
; MIPS32-NEXT: sw $1, 4($sp) # 4-byte Folded Spill
; MIPS32-NEXT: $BB0_4: # %cond.end
; MIPS32-NEXT: lw $1, 4($sp) # 4-byte Folded Reload
; MIPS32-NEXT: move $2, $1
; MIPS32-NEXT: addiu $sp, $sp, 16
; MIPS32-NEXT: jr $ra
; MIPS32-NEXT: nop
entry:
br i1 %cnd, label %cond.true, label %cond.false
cond.true:
br label %cond.end
cond.false:
br label %cond.end
cond.end:
%cond = phi i1 [ %a, %cond.true ], [ %b, %cond.false ]
ret i1 %cond
}
define i8 @phi_i8(i1 %cnd, i8 %a, i8 %b) {
; MIPS32-LABEL: phi_i8:
; MIPS32: # %bb.0: # %entry
; MIPS32-NEXT: addiu $sp, $sp, -16
; MIPS32-NEXT: .cfi_def_cfa_offset 16
; MIPS32-NEXT: andi $1, $4, 1
; MIPS32-NEXT: sw $5, 12($sp) # 4-byte Folded Spill
; MIPS32-NEXT: sw $6, 8($sp) # 4-byte Folded Spill
; MIPS32-NEXT: bnez $1, $BB1_2
; MIPS32-NEXT: nop
; MIPS32-NEXT: # %bb.1: # %entry
; MIPS32-NEXT: j $BB1_3
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB1_2: # %cond.true
; MIPS32-NEXT: lw $1, 12($sp) # 4-byte Folded Reload
; MIPS32-NEXT: sw $1, 4($sp) # 4-byte Folded Spill
; MIPS32-NEXT: j $BB1_4
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB1_3: # %cond.false
; MIPS32-NEXT: lw $1, 8($sp) # 4-byte Folded Reload
; MIPS32-NEXT: sw $1, 4($sp) # 4-byte Folded Spill
; MIPS32-NEXT: $BB1_4: # %cond.end
; MIPS32-NEXT: lw $1, 4($sp) # 4-byte Folded Reload
; MIPS32-NEXT: move $2, $1
; MIPS32-NEXT: addiu $sp, $sp, 16
; MIPS32-NEXT: jr $ra
; MIPS32-NEXT: nop
entry:
br i1 %cnd, label %cond.true, label %cond.false
cond.true:
br label %cond.end
cond.false:
br label %cond.end
cond.end:
%cond = phi i8 [ %a, %cond.true ], [ %b, %cond.false ]
ret i8 %cond
}
define i16 @phi_i16(i1 %cnd, i16 %a, i16 %b) {
; MIPS32-LABEL: phi_i16:
; MIPS32: # %bb.0: # %entry
; MIPS32-NEXT: addiu $sp, $sp, -16
; MIPS32-NEXT: .cfi_def_cfa_offset 16
; MIPS32-NEXT: andi $1, $4, 1
; MIPS32-NEXT: sw $5, 12($sp) # 4-byte Folded Spill
; MIPS32-NEXT: sw $6, 8($sp) # 4-byte Folded Spill
; MIPS32-NEXT: bnez $1, $BB2_2
; MIPS32-NEXT: nop
; MIPS32-NEXT: # %bb.1: # %entry
; MIPS32-NEXT: j $BB2_3
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB2_2: # %cond.true
; MIPS32-NEXT: lw $1, 12($sp) # 4-byte Folded Reload
; MIPS32-NEXT: sw $1, 4($sp) # 4-byte Folded Spill
; MIPS32-NEXT: j $BB2_4
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB2_3: # %cond.false
; MIPS32-NEXT: lw $1, 8($sp) # 4-byte Folded Reload
; MIPS32-NEXT: sw $1, 4($sp) # 4-byte Folded Spill
; MIPS32-NEXT: $BB2_4: # %cond.end
; MIPS32-NEXT: lw $1, 4($sp) # 4-byte Folded Reload
; MIPS32-NEXT: move $2, $1
; MIPS32-NEXT: addiu $sp, $sp, 16
; MIPS32-NEXT: jr $ra
; MIPS32-NEXT: nop
entry:
br i1 %cnd, label %cond.true, label %cond.false
cond.true:
br label %cond.end
cond.false:
br label %cond.end
cond.end:
%cond = phi i16 [ %a, %cond.true ], [ %b, %cond.false ]
ret i16 %cond
}
define i32 @phi_i32(i1 %cnd, i32 %a, i32 %b) {
; MIPS32-LABEL: phi_i32:
; MIPS32: # %bb.0: # %entry
; MIPS32-NEXT: addiu $sp, $sp, -16
; MIPS32-NEXT: .cfi_def_cfa_offset 16
; MIPS32-NEXT: andi $1, $4, 1
; MIPS32-NEXT: sw $5, 12($sp) # 4-byte Folded Spill
; MIPS32-NEXT: sw $6, 8($sp) # 4-byte Folded Spill
; MIPS32-NEXT: bnez $1, $BB3_2
; MIPS32-NEXT: nop
; MIPS32-NEXT: # %bb.1: # %entry
; MIPS32-NEXT: j $BB3_3
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB3_2: # %cond.true
; MIPS32-NEXT: lw $1, 12($sp) # 4-byte Folded Reload
; MIPS32-NEXT: sw $1, 4($sp) # 4-byte Folded Spill
; MIPS32-NEXT: j $BB3_4
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB3_3: # %cond.false
; MIPS32-NEXT: lw $1, 8($sp) # 4-byte Folded Reload
; MIPS32-NEXT: sw $1, 4($sp) # 4-byte Folded Spill
; MIPS32-NEXT: $BB3_4: # %cond.end
; MIPS32-NEXT: lw $1, 4($sp) # 4-byte Folded Reload
; MIPS32-NEXT: move $2, $1
; MIPS32-NEXT: addiu $sp, $sp, 16
; MIPS32-NEXT: jr $ra
; MIPS32-NEXT: nop
entry:
br i1 %cnd, label %cond.true, label %cond.false
cond.true:
br label %cond.end
cond.false:
br label %cond.end
cond.end:
%cond = phi i32 [ %a, %cond.true ], [ %b, %cond.false ]
ret i32 %cond
}
define i64 @phi_i64(i1 %cnd, i64 %a, i64 %b) {
; MIPS32-LABEL: phi_i64:
; MIPS32: # %bb.0: # %entry
; MIPS32-NEXT: addiu $sp, $sp, -24
; MIPS32-NEXT: .cfi_def_cfa_offset 24
; MIPS32-NEXT: addiu $1, $sp, 40
; MIPS32-NEXT: lw $1, 0($1)
; MIPS32-NEXT: addiu $2, $sp, 44
; MIPS32-NEXT: lw $2, 0($2)
; MIPS32-NEXT: andi $3, $4, 1
; MIPS32-NEXT: sw $1, 20($sp) # 4-byte Folded Spill
; MIPS32-NEXT: sw $6, 16($sp) # 4-byte Folded Spill
; MIPS32-NEXT: sw $7, 12($sp) # 4-byte Folded Spill
; MIPS32-NEXT: sw $2, 8($sp) # 4-byte Folded Spill
; MIPS32-NEXT: bnez $3, $BB4_2
; MIPS32-NEXT: nop
; MIPS32-NEXT: # %bb.1: # %entry
; MIPS32-NEXT: j $BB4_3
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB4_2: # %cond.true
; MIPS32-NEXT: lw $1, 16($sp) # 4-byte Folded Reload
; MIPS32-NEXT: lw $2, 12($sp) # 4-byte Folded Reload
; MIPS32-NEXT: sw $1, 4($sp) # 4-byte Folded Spill
; MIPS32-NEXT: sw $2, 0($sp) # 4-byte Folded Spill
; MIPS32-NEXT: j $BB4_4
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB4_3: # %cond.false
; MIPS32-NEXT: lw $1, 20($sp) # 4-byte Folded Reload
; MIPS32-NEXT: lw $2, 8($sp) # 4-byte Folded Reload
; MIPS32-NEXT: sw $1, 4($sp) # 4-byte Folded Spill
; MIPS32-NEXT: sw $2, 0($sp) # 4-byte Folded Spill
; MIPS32-NEXT: $BB4_4: # %cond.end
; MIPS32-NEXT: lw $1, 0($sp) # 4-byte Folded Reload
; MIPS32-NEXT: lw $2, 4($sp) # 4-byte Folded Reload
; MIPS32-NEXT: move $3, $1
; MIPS32-NEXT: addiu $sp, $sp, 24
; MIPS32-NEXT: jr $ra
; MIPS32-NEXT: nop
entry:
br i1 %cnd, label %cond.true, label %cond.false
cond.true:
br label %cond.end
cond.false:
br label %cond.end
cond.end:
%cond = phi i64 [ %a, %cond.true ], [ %b, %cond.false ]
ret i64 %cond
}
define void @phi_ambiguous_i64_in_fpr(i1 %cnd, i64* %i64_ptr_a, i64* %i64_ptr_b, i64* %i64_ptr_c) {
; MIPS32-LABEL: phi_ambiguous_i64_in_fpr:
; MIPS32: # %bb.0: # %entry
; MIPS32-NEXT: addiu $sp, $sp, -32
; MIPS32-NEXT: .cfi_def_cfa_offset 32
; MIPS32-NEXT: ldc1 $f0, 0($5)
; MIPS32-NEXT: ldc1 $f2, 0($6)
; MIPS32-NEXT: andi $1, $4, 1
; MIPS32-NEXT: sw $7, 28($sp) # 4-byte Folded Spill
; MIPS32-NEXT: sdc1 $f0, 16($sp) # 8-byte Folded Spill
; MIPS32-NEXT: sdc1 $f2, 8($sp) # 8-byte Folded Spill
; MIPS32-NEXT: bnez $1, $BB5_2
; MIPS32-NEXT: nop
; MIPS32-NEXT: # %bb.1: # %entry
; MIPS32-NEXT: j $BB5_3
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB5_2: # %cond.true
; MIPS32-NEXT: ldc1 $f0, 16($sp) # 8-byte Folded Reload
; MIPS32-NEXT: sdc1 $f0, 0($sp) # 8-byte Folded Spill
; MIPS32-NEXT: j $BB5_4
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB5_3: # %cond.false
; MIPS32-NEXT: ldc1 $f0, 8($sp) # 8-byte Folded Reload
; MIPS32-NEXT: sdc1 $f0, 0($sp) # 8-byte Folded Spill
; MIPS32-NEXT: $BB5_4: # %cond.end
; MIPS32-NEXT: ldc1 $f0, 0($sp) # 8-byte Folded Reload
; MIPS32-NEXT: lw $1, 28($sp) # 4-byte Folded Reload
; MIPS32-NEXT: sdc1 $f0, 0($1)
; MIPS32-NEXT: addiu $sp, $sp, 32
; MIPS32-NEXT: jr $ra
; MIPS32-NEXT: nop
entry:
%0 = load i64, i64* %i64_ptr_a, align 4
%1 = load i64, i64* %i64_ptr_b, align 4
br i1 %cnd, label %cond.true, label %cond.false
cond.true:
br label %cond.end
cond.false:
br label %cond.end
cond.end:
%cond = phi i64 [ %0, %cond.true ], [ %1, %cond.false ]
store i64 %cond, i64* %i64_ptr_c, align 4
ret void
}
define float @phi_float(i1 %cnd, float %a, float %b) {
; MIPS32-LABEL: phi_float:
; MIPS32: # %bb.0: # %entry
; MIPS32-NEXT: addiu $sp, $sp, -16
; MIPS32-NEXT: .cfi_def_cfa_offset 16
; MIPS32-NEXT: mtc1 $5, $f0
; MIPS32-NEXT: mtc1 $6, $f1
; MIPS32-NEXT: andi $1, $4, 1
; MIPS32-NEXT: swc1 $f0, 12($sp) # 4-byte Folded Spill
; MIPS32-NEXT: swc1 $f1, 8($sp) # 4-byte Folded Spill
; MIPS32-NEXT: bnez $1, $BB6_2
; MIPS32-NEXT: nop
; MIPS32-NEXT: # %bb.1: # %entry
; MIPS32-NEXT: j $BB6_3
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB6_2: # %cond.true
; MIPS32-NEXT: lwc1 $f0, 12($sp) # 4-byte Folded Reload
; MIPS32-NEXT: swc1 $f0, 4($sp) # 4-byte Folded Spill
; MIPS32-NEXT: j $BB6_4
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB6_3: # %cond.false
; MIPS32-NEXT: lwc1 $f0, 8($sp) # 4-byte Folded Reload
; MIPS32-NEXT: swc1 $f0, 4($sp) # 4-byte Folded Spill
; MIPS32-NEXT: $BB6_4: # %cond.end
; MIPS32-NEXT: lwc1 $f0, 4($sp) # 4-byte Folded Reload
; MIPS32-NEXT: addiu $sp, $sp, 16
; MIPS32-NEXT: jr $ra
; MIPS32-NEXT: nop
entry:
br i1 %cnd, label %cond.true, label %cond.false
cond.true:
br label %cond.end
cond.false:
br label %cond.end
cond.end:
%cond = phi float [ %a, %cond.true ], [ %b, %cond.false ]
ret float %cond
}
define void @phi_ambiguous_float_in_gpr(i1 %cnd, float* %f32_ptr_a, float* %f32_ptr_b, float* %f32_ptr_c) {
; MIPS32-LABEL: phi_ambiguous_float_in_gpr:
; MIPS32: # %bb.0: # %entry
; MIPS32-NEXT: addiu $sp, $sp, -16
; MIPS32-NEXT: .cfi_def_cfa_offset 16
; MIPS32-NEXT: lw $1, 0($5)
; MIPS32-NEXT: lw $2, 0($6)
; MIPS32-NEXT: andi $3, $4, 1
; MIPS32-NEXT: sw $1, 12($sp) # 4-byte Folded Spill
; MIPS32-NEXT: sw $7, 8($sp) # 4-byte Folded Spill
; MIPS32-NEXT: sw $2, 4($sp) # 4-byte Folded Spill
; MIPS32-NEXT: bnez $3, $BB7_2
; MIPS32-NEXT: nop
; MIPS32-NEXT: # %bb.1: # %entry
; MIPS32-NEXT: j $BB7_3
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB7_2: # %cond.true
; MIPS32-NEXT: lw $1, 12($sp) # 4-byte Folded Reload
; MIPS32-NEXT: sw $1, 0($sp) # 4-byte Folded Spill
; MIPS32-NEXT: j $BB7_4
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB7_3: # %cond.false
; MIPS32-NEXT: lw $1, 4($sp) # 4-byte Folded Reload
; MIPS32-NEXT: sw $1, 0($sp) # 4-byte Folded Spill
; MIPS32-NEXT: $BB7_4: # %cond.end
; MIPS32-NEXT: lw $1, 0($sp) # 4-byte Folded Reload
; MIPS32-NEXT: lw $2, 8($sp) # 4-byte Folded Reload
; MIPS32-NEXT: sw $1, 0($2)
; MIPS32-NEXT: addiu $sp, $sp, 16
; MIPS32-NEXT: jr $ra
; MIPS32-NEXT: nop
entry:
%0 = load float, float* %f32_ptr_a, align 4
%1 = load float, float* %f32_ptr_b, align 4
br i1 %cnd, label %cond.true, label %cond.false
cond.true:
br label %cond.end
cond.false:
br label %cond.end
cond.end:
%cond = phi float [ %0, %cond.true ], [ %1, %cond.false ]
store float %cond, float* %f32_ptr_c, align 4
ret void
}
define double @phi_double(double %a, double %b, i1 %cnd) {
; MIPS32-LABEL: phi_double:
; MIPS32: # %bb.0: # %entry
; MIPS32-NEXT: addiu $sp, $sp, -24
; MIPS32-NEXT: .cfi_def_cfa_offset 24
; MIPS32-NEXT: addiu $1, $sp, 40
; MIPS32-NEXT: lw $1, 0($1)
; MIPS32-NEXT: andi $1, $1, 1
; MIPS32-NEXT: sdc1 $f12, 16($sp) # 8-byte Folded Spill
; MIPS32-NEXT: sdc1 $f14, 8($sp) # 8-byte Folded Spill
; MIPS32-NEXT: bnez $1, $BB8_2
; MIPS32-NEXT: nop
; MIPS32-NEXT: # %bb.1: # %entry
; MIPS32-NEXT: j $BB8_3
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB8_2: # %cond.true
; MIPS32-NEXT: ldc1 $f0, 16($sp) # 8-byte Folded Reload
; MIPS32-NEXT: sdc1 $f0, 0($sp) # 8-byte Folded Spill
; MIPS32-NEXT: j $BB8_4
; MIPS32-NEXT: nop
; MIPS32-NEXT: $BB8_3: # %cond.false
; MIPS32-NEXT: ldc1 $f0, 8($sp) # 8-byte Folded Reload
; MIPS32-NEXT: sdc1 $f0, 0($sp) # 8-byte Folded Spill
; MIPS32-NEXT: $BB8_4: # %cond.end
; MIPS32-NEXT: ldc1 $f0, 0($sp) # 8-byte Folded Reload
; MIPS32-NEXT: addiu $sp, $sp, 24
; MIPS32-NEXT: jr $ra
; MIPS32-NEXT: nop
entry:
br i1 %cnd, label %cond.true, label %cond.false
cond.true:
br label %cond.end
cond.false:
br label %cond.end
cond.end:
%cond = phi double [ %a, %cond.true ], [ %b, %cond.false ]
ret double %cond
}