forked from OSchip/llvm-project
464 lines
9.3 KiB
LLVM
464 lines
9.3 KiB
LLVM
; RUN: llc -mtriple arm-unknown -mattr=+vfp2,+v6 -global-isel %s -o - | FileCheck %s
|
|
|
|
define void @test_void_return() {
|
|
; CHECK-LABEL: test_void_return:
|
|
; CHECK: bx lr
|
|
entry:
|
|
ret void
|
|
}
|
|
|
|
define i32 @test_constant_return_i32() {
|
|
; CHECK-LABEL: test_constant_return_i32:
|
|
; CHECK: mov r0, #42
|
|
; CHECK: bx lr
|
|
entry:
|
|
ret i32 42
|
|
}
|
|
|
|
define zeroext i1 @test_zext_i1(i1 %x) {
|
|
; CHECK-LABEL: test_zext_i1
|
|
; CHECK: and r0, r0, #1
|
|
; CHECK: bx lr
|
|
entry:
|
|
ret i1 %x
|
|
}
|
|
|
|
define signext i1 @test_sext_i1(i1 %x) {
|
|
; CHECK-LABEL: test_sext_i1
|
|
; CHECK: mov r1, #31
|
|
; CHECK: lsl r0, r0, r1
|
|
; CHECK: asr r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
ret i1 %x
|
|
}
|
|
|
|
define zeroext i8 @test_ext_i8(i8 %x) {
|
|
; CHECK-LABEL: test_ext_i8:
|
|
; CHECK: uxtb r0, r0
|
|
; CHECK: bx lr
|
|
|
|
entry:
|
|
ret i8 %x
|
|
}
|
|
|
|
define signext i16 @test_ext_i16(i16 %x) {
|
|
; CHECK-LABEL: test_ext_i16:
|
|
; CHECK: mov r1, #16
|
|
; CHECK: lsl r0, r0, r1
|
|
; CHECK: asr r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
ret i16 %x
|
|
}
|
|
|
|
define void @test_trunc_i32_i16(i32 %v, i16 *%p) {
|
|
; CHECK-LABEL: test_trunc_i32_i16:
|
|
; The trunc doesn't result in any instructions, but we
|
|
; expect the store to be explicitly 16-bit.
|
|
; CHECK: strh r0, [r1]
|
|
; CHECK: bx lr
|
|
entry:
|
|
%v16 = trunc i32 %v to i16
|
|
store i16 %v16, i16 *%p
|
|
ret void
|
|
}
|
|
|
|
define void @test_trunc_i32_i8(i32 %v, i8 *%p) {
|
|
; CHECK-LABEL: test_trunc_i32_i8:
|
|
; The trunc doesn't result in any instructions, but we
|
|
; expect the store to be explicitly 8-bit.
|
|
; CHECK: strb r0, [r1]
|
|
; CHECK: bx lr
|
|
entry:
|
|
%v8 = trunc i32 %v to i8
|
|
store i8 %v8, i8 *%p
|
|
ret void
|
|
}
|
|
|
|
define i8 @test_add_i8(i8 %x, i8 %y) {
|
|
; CHECK-LABEL: test_add_i8:
|
|
; CHECK: add r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = add i8 %x, %y
|
|
ret i8 %sum
|
|
}
|
|
|
|
define i16 @test_add_i16(i16 %x, i16 %y) {
|
|
; CHECK-LABEL: test_add_i16:
|
|
; CHECK: add r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = add i16 %x, %y
|
|
ret i16 %sum
|
|
}
|
|
|
|
define i32 @test_add_i32(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: test_add_i32:
|
|
; CHECK: add r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = add i32 %x, %y
|
|
ret i32 %sum
|
|
}
|
|
|
|
define i8 @test_sub_i8(i8 %x, i8 %y) {
|
|
; CHECK-LABEL: test_sub_i8:
|
|
; CHECK: sub r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = sub i8 %x, %y
|
|
ret i8 %sum
|
|
}
|
|
|
|
define i16 @test_sub_i16(i16 %x, i16 %y) {
|
|
; CHECK-LABEL: test_sub_i16:
|
|
; CHECK: sub r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = sub i16 %x, %y
|
|
ret i16 %sum
|
|
}
|
|
|
|
define i32 @test_sub_i32(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: test_sub_i32:
|
|
; CHECK: sub r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = sub i32 %x, %y
|
|
ret i32 %sum
|
|
}
|
|
|
|
define i8 @test_mul_i8(i8 %x, i8 %y) {
|
|
; CHECK-LABEL: test_mul_i8:
|
|
; CHECK: mul r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = mul i8 %x, %y
|
|
ret i8 %sum
|
|
}
|
|
|
|
define i16 @test_mul_i16(i16 %x, i16 %y) {
|
|
; CHECK-LABEL: test_mul_i16:
|
|
; CHECK: mul r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = mul i16 %x, %y
|
|
ret i16 %sum
|
|
}
|
|
|
|
define i32 @test_mul_i32(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: test_mul_i32:
|
|
; CHECK: mul r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = mul i32 %x, %y
|
|
ret i32 %sum
|
|
}
|
|
|
|
define i8 @test_and_i8(i8 %x, i8 %y) {
|
|
; CHECK-LABEL: test_and_i8:
|
|
; CHECK: and r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = and i8 %x, %y
|
|
ret i8 %sum
|
|
}
|
|
|
|
define i16 @test_and_i16(i16 %x, i16 %y) {
|
|
; CHECK-LABEL: test_and_i16:
|
|
; CHECK: and r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = and i16 %x, %y
|
|
ret i16 %sum
|
|
}
|
|
|
|
define i32 @test_and_i32(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: test_and_i32:
|
|
; CHECK: and r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = and i32 %x, %y
|
|
ret i32 %sum
|
|
}
|
|
|
|
define i8 @test_or_i8(i8 %x, i8 %y) {
|
|
; CHECK-LABEL: test_or_i8:
|
|
; CHECK: orr r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = or i8 %x, %y
|
|
ret i8 %sum
|
|
}
|
|
|
|
define i16 @test_or_i16(i16 %x, i16 %y) {
|
|
; CHECK-LABEL: test_or_i16:
|
|
; CHECK: orr r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = or i16 %x, %y
|
|
ret i16 %sum
|
|
}
|
|
|
|
define i32 @test_or_i32(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: test_or_i32:
|
|
; CHECK: orr r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = or i32 %x, %y
|
|
ret i32 %sum
|
|
}
|
|
|
|
define i8 @test_xor_i8(i8 %x, i8 %y) {
|
|
; CHECK-LABEL: test_xor_i8:
|
|
; CHECK: eor r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = xor i8 %x, %y
|
|
ret i8 %sum
|
|
}
|
|
|
|
define i16 @test_xor_i16(i16 %x, i16 %y) {
|
|
; CHECK-LABEL: test_xor_i16:
|
|
; CHECK: eor r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = xor i16 %x, %y
|
|
ret i16 %sum
|
|
}
|
|
|
|
define i32 @test_xor_i32(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: test_xor_i32:
|
|
; CHECK: eor r0, r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = xor i32 %x, %y
|
|
ret i32 %sum
|
|
}
|
|
|
|
define i32 @test_stack_args_i32(i32 %p0, i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5) {
|
|
; CHECK-LABEL: test_stack_args_i32:
|
|
; CHECK: add [[P5ADDR:r[0-9]+]], sp, #4
|
|
; CHECK: ldr [[P5:r[0-9]+]], {{.*}}[[P5ADDR]]
|
|
; CHECK: add r0, r2, [[P5]]
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = add i32 %p2, %p5
|
|
ret i32 %sum
|
|
}
|
|
|
|
define i16 @test_stack_args_mixed(i32 %p0, i16 %p1, i8 %p2, i1 %p3, i8 %p4, i16 %p5) {
|
|
; CHECK-LABEL: test_stack_args_mixed:
|
|
; CHECK: add [[P5ADDR:r[0-9]+]], sp, #4
|
|
; CHECK: ldrh [[P5:r[0-9]+]], {{.*}}[[P5ADDR]]
|
|
; CHECK: add r0, r1, [[P5]]
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = add i16 %p1, %p5
|
|
ret i16 %sum
|
|
}
|
|
|
|
define i16 @test_stack_args_zeroext(i32 %p0, i16 %p1, i8 %p2, i1 %p3, i16 zeroext %p4) {
|
|
; CHECK-LABEL: test_stack_args_zeroext:
|
|
; CHECK: mov [[P4ADDR:r[0-9]+]], sp
|
|
; CHECK: ldr [[P4:r[0-9]+]], {{.*}}[[P4ADDR]]
|
|
; CHECK: add r0, r1, [[P4]]
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = add i16 %p1, %p4
|
|
ret i16 %sum
|
|
}
|
|
|
|
define i8 @test_stack_args_signext(i32 %p0, i16 %p1, i8 %p2, i1 %p3, i8 signext %p4) {
|
|
; CHECK-LABEL: test_stack_args_signext:
|
|
; CHECK: mov [[P4ADDR:r[0-9]+]], sp
|
|
; CHECK: ldr [[P4:r[0-9]+]], {{.*}}[[P4ADDR]]
|
|
; CHECK: add r0, r2, [[P4]]
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = add i8 %p2, %p4
|
|
ret i8 %sum
|
|
}
|
|
|
|
define i8 @test_stack_args_noext(i32 %p0, i16 %p1, i8 %p2, i1 %p3, i8 %p4) {
|
|
; CHECK-LABEL: test_stack_args_noext:
|
|
; CHECK: mov [[P4ADDR:r[0-9]+]], sp
|
|
; CHECK: ldrb [[P4:r[0-9]+]], {{.*}}[[P4ADDR]]
|
|
; CHECK: add r0, r2, [[P4]]
|
|
; CHECK: bx lr
|
|
entry:
|
|
%sum = add i8 %p2, %p4
|
|
ret i8 %sum
|
|
}
|
|
|
|
define i32 @test_ptr_arg_in_reg(i32* %p) {
|
|
; CHECK-LABEL: test_ptr_arg_in_reg:
|
|
; CHECK: ldr r0, [r0]
|
|
; CHECK: bx lr
|
|
entry:
|
|
%v = load i32, i32* %p
|
|
ret i32 %v
|
|
}
|
|
|
|
define i32 @test_ptr_arg_on_stack(i32 %f0, i32 %f1, i32 %f2, i32 %f3, i32* %p) {
|
|
; CHECK-LABEL: test_ptr_arg_on_stack:
|
|
; CHECK: mov r0, sp
|
|
; CHECK: ldr r0, [r0]
|
|
; CHECK: ldr r0, [r0]
|
|
; CHECK: bx lr
|
|
entry:
|
|
%v = load i32, i32* %p
|
|
ret i32 %v
|
|
}
|
|
|
|
define i8* @test_ptr_ret(i8** %p) {
|
|
; CHECK-LABEL: test_ptr_ret:
|
|
; CHECK: ldr r0, [r0]
|
|
; CHECK: bx lr
|
|
entry:
|
|
%v = load i8*, i8** %p
|
|
ret i8* %v
|
|
}
|
|
|
|
define arm_aapcs_vfpcc float @test_float_hard(float %f0, float %f1) {
|
|
; CHECK-LABEL: test_float_hard:
|
|
; CHECK: vadd.f32 s0, s0, s1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%v = fadd float %f0, %f1
|
|
ret float %v
|
|
}
|
|
|
|
define arm_aapcscc float @test_float_softfp(float %f0, float %f1) {
|
|
; CHECK-LABEL: test_float_softfp:
|
|
; CHECK-DAG: vmov [[F0:s[0-9]+]], r0
|
|
; CHECK-DAG: vmov [[F1:s[0-9]+]], r1
|
|
; CHECK: vadd.f32 [[FV:s[0-9]+]], [[F0]], [[F1]]
|
|
; CHECK: vmov r0, [[FV]]
|
|
; CHECK: bx lr
|
|
entry:
|
|
%v = fadd float %f0, %f1
|
|
ret float %v
|
|
}
|
|
|
|
define arm_aapcs_vfpcc double @test_double_hard(double %f0, double %f1) {
|
|
; CHECK-LABEL: test_double_hard:
|
|
; CHECK: vadd.f64 d0, d0, d1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%v = fadd double %f0, %f1
|
|
ret double %v
|
|
}
|
|
|
|
define arm_aapcscc double @test_double_softfp(double %f0, double %f1) {
|
|
; CHECK-LABEL: test_double_softfp:
|
|
; CHECK-DAG: vmov [[F0:d[0-9]+]], r0, r1
|
|
; CHECK-DAG: vmov [[F1:d[0-9]+]], r2, r3
|
|
; CHECK: vadd.f64 [[FV:d[0-9]+]], [[F0]], [[F1]]
|
|
; CHECK: vmov r0, r1, [[FV]]
|
|
; CHECK: bx lr
|
|
entry:
|
|
%v = fadd double %f0, %f1
|
|
ret double %v
|
|
}
|
|
|
|
define arm_aapcscc i32 @test_cmp_i32_eq(i32 %a, i32 %b) {
|
|
; CHECK-LABEL: test_cmp_i32_eq:
|
|
; CHECK: mov [[V:r[0-9]+]], #0
|
|
; CHECK: cmp r0, r1
|
|
; CHECK: moveq [[V]], #1
|
|
; CHECK: and r0, [[V]], #1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%v = icmp eq i32 %a, %b
|
|
%r = zext i1 %v to i32
|
|
ret i32 %r
|
|
}
|
|
|
|
define arm_aapcscc i32 @test_cmp_ptr_neq(double *%a, double *%b) {
|
|
; CHECK-LABEL: test_cmp_ptr_neq:
|
|
; CHECK: mov [[V:r[0-9]+]], #0
|
|
; CHECK: cmp r0, r1
|
|
; CHECK: movne [[V]], #1
|
|
; CHECK: and r0, [[V]], #1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%v = icmp ne double * %a, %b
|
|
%r = zext i1 %v to i32
|
|
ret i32 %r
|
|
}
|
|
|
|
define arm_aapcscc i32 @test_cmp_i16_slt(i16 %a, i16 %b) {
|
|
; CHECK-LABEL: test_cmp_i16_slt:
|
|
; CHECK-DAG: mov [[V:r[0-9]+]], #0
|
|
; CHECK: cmp r0, r1
|
|
; CHECK: movlt [[V]], #1
|
|
; CHECK: and r0, [[V]], #1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%v = icmp slt i16 %a, %b
|
|
%r = zext i1 %v to i32
|
|
ret i32 %r
|
|
}
|
|
|
|
define arm_aapcscc i32 @test_select_i32(i32 %a, i32 %b, i1 %cond) {
|
|
; CHECK-LABEL: test_select_i32
|
|
; CHECK: cmp r2, #0
|
|
; CHECK: moveq r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%r = select i1 %cond, i32 %a, i32 %b
|
|
ret i32 %r
|
|
}
|
|
|
|
define arm_aapcscc i32* @test_select_ptr(i32* %a, i32* %b, i1 %cond) {
|
|
; CHECK-LABEL: test_select_ptr
|
|
; CHECK: cmp r2, #0
|
|
; CHECK: moveq r0, r1
|
|
; CHECK: bx lr
|
|
entry:
|
|
%r = select i1 %cond, i32* %a, i32* %b
|
|
ret i32* %r
|
|
}
|
|
|
|
define arm_aapcscc void @test_br() {
|
|
; CHECK-LABEL: test_br
|
|
; CHECK: [[LABEL:.L[[:alnum:]_]+]]:
|
|
; CHECK: b [[LABEL]]
|
|
entry:
|
|
br label %infinite
|
|
|
|
infinite:
|
|
br label %infinite
|
|
}
|
|
|
|
declare arm_aapcscc void @brcond1()
|
|
declare arm_aapcscc void @brcond2()
|
|
|
|
define arm_aapcscc void @test_brcond(i32 %n) {
|
|
; CHECK-LABEL: test_brcond
|
|
; CHECK: cmp r0
|
|
; CHECK-NEXT: movgt [[RCMP:r[0-9]+]], #1
|
|
; CHECK: tst [[RCMP]], #1
|
|
; CHECK-NEXT: beq [[FALSE:.L[[:alnum:]_]+]]
|
|
; CHECK: bl brcond1
|
|
; CHECK: [[FALSE]]:
|
|
; CHECK: bl brcond2
|
|
entry:
|
|
%cmp = icmp sgt i32 %n, 0
|
|
br i1 %cmp, label %if.true, label %if.false
|
|
|
|
if.true:
|
|
call arm_aapcscc void @brcond1()
|
|
br label %if.end
|
|
|
|
if.false:
|
|
call arm_aapcscc void @brcond2()
|
|
br label %if.end
|
|
|
|
if.end:
|
|
ret void
|
|
}
|