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|
; RUN: llc --verify-machineinstrs -mtriple=thumbv8.1-m.main-none-eabi -mattr=+mve %s -o - | FileCheck %s -check-prefix=CHECK --check-prefix=CHECK-MVE
; RUN: llc --verify-machineinstrs -mtriple=thumbv8.1-m.main-none-eabi %s -o - | FileCheck %s -check-prefix=CHECK --check-prefix=CHECK-NON-MVE
define i64 @shift_left_reg(i64 %x, i64 %y) {
; CHECK-MVE-LABEL: shift_left_reg:
; CHECK-MVE: @ %bb.0: @ %entry
; CHECK-MVE-NEXT: lsll r0, r1, r2
; CHECK-MVE-NEXT: bx lr
;
; CHECK-NON-MVE-LABEL: shift_left_reg:
; CHECK-NON-MVE: @ %bb.0: @ %entry
; CHECK-NON-MVE-NEXT: .save {r7, lr}
; CHECK-NON-MVE-NEXT: push {r7, lr}
; CHECK-NON-MVE-NEXT: bl __aeabi_llsl
; CHECK-NON-MVE-NEXT: pop {r7}
; CHECK-NON-MVE-NEXT: pop {r2}
; CHECK-NON-MVE-NEXT: bx r2
entry:
%shl = shl i64 %x, %y
ret i64 %shl
}
define i64 @shift_left_imm(i64 %x) {
; CHECK-MVE-LABEL: shift_left_imm:
; CHECK-MVE: @ %bb.0: @ %entry
; CHECK-MVE-NEXT: lsll r0, r1, #3
; CHECK-MVE-NEXT: bx lr
;
; CHECK-NON-MVE-LABEL: shift_left_imm:
; CHECK-NON-MVE: @ %bb.0: @ %entry
; CHECK-NON-MVE-NEXT: lsrs r2, r0, #29
; CHECK-NON-MVE-NEXT: lsls r1, r1, #3
; CHECK-NON-MVE-NEXT: adds r1, r1, r2
; CHECK-NON-MVE-NEXT: lsls r0, r0, #3
; CHECK-NON-MVE-NEXT: bx lr
entry:
%shl = shl i64 %x, 3
ret i64 %shl
}
define i64 @shift_left_imm_big(i64 %x) {
; CHECK-LABEL: shift_left_imm_big:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: lsls r1, r0, #16
; CHECK-NEXT: movs r0, #0
; CHECK-NEXT: bx lr
entry:
%shl = shl i64 %x, 48
ret i64 %shl
}
define i64 @shift_left_imm_big2(i64 %x) {
; CHECK-MVE-LABEL: shift_left_imm_big2:
; CHECK-MVE: @ %bb.0: @ %entry
; CHECK-MVE-NEXT: lsll r0, r1, #32
; CHECK-MVE-NEXT: bx lr
;
; CHECK-NON-MVE-LABEL: shift_left_imm_big2:
; CHECK-NON-MVE: @ %bb.0: @ %entry
; CHECK-NON-MVE-NEXT: movs r1, r0
; CHECK-NON-MVE-NEXT: movs r0, #0
; CHECK-NON-MVE-NEXT: bx lr
entry:
%shl = shl i64 %x, 32
ret i64 %shl
}
define i64 @shift_left_imm_big3(i64 %x) {
; CHECK-LABEL: shift_left_imm_big3:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: lsls r1, r0, #1
; CHECK-NEXT: movs r0, #0
; CHECK-NEXT: bx lr
entry:
%shl = shl i64 %x, 33
ret i64 %shl
}
define i64 @shift_right_reg(i64 %x, i64 %y) {
; CHECK-MVE-LABEL: shift_right_reg:
; CHECK-MVE: @ %bb.0: @ %entry
; CHECK-MVE-NEXT: rsbs r2, r2, #0
; CHECK-MVE-NEXT: lsll r0, r1, r2
; CHECK-MVE-NEXT: bx lr
;
; CHECK-NON-MVE-LABEL: shift_right_reg:
; CHECK-NON-MVE: @ %bb.0: @ %entry
; CHECK-NON-MVE-NEXT: .save {r7, lr}
; CHECK-NON-MVE-NEXT: push {r7, lr}
; CHECK-NON-MVE-NEXT: bl __aeabi_llsr
; CHECK-NON-MVE-NEXT: pop {r7}
; CHECK-NON-MVE-NEXT: pop {r2}
; CHECK-NON-MVE-NEXT: bx r2
entry:
%shr = lshr i64 %x, %y
ret i64 %shr
}
define i64 @shift_right_imm(i64 %x) {
; CHECK-MVE-LABEL: shift_right_imm:
; CHECK-MVE: @ %bb.0: @ %entry
; CHECK-MVE-NEXT: lsrl r0, r1, #3
; CHECK-MVE-NEXT: bx lr
;
; CHECK-NON-MVE-LABEL: shift_right_imm:
; CHECK-NON-MVE: @ %bb.0: @ %entry
; CHECK-NON-MVE-NEXT: lsls r2, r1, #29
; CHECK-NON-MVE-NEXT: lsrs r0, r0, #3
; CHECK-NON-MVE-NEXT: adds r0, r0, r2
; CHECK-NON-MVE-NEXT: lsrs r1, r1, #3
; CHECK-NON-MVE-NEXT: bx lr
entry:
%shr = lshr i64 %x, 3
ret i64 %shr
}
define i64 @shift_right_imm_big(i64 %x) {
; CHECK-LABEL: shift_right_imm_big:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: lsrs r0, r1, #16
; CHECK-NEXT: movs r1, #0
; CHECK-NEXT: bx lr
entry:
%shr = lshr i64 %x, 48
ret i64 %shr
}
define i64 @shift_right_imm_big2(i64 %x) {
; CHECK-MVE-LABEL: shift_right_imm_big2:
; CHECK-MVE: @ %bb.0: @ %entry
; CHECK-MVE-NEXT: lsrl r0, r1, #32
; CHECK-MVE-NEXT: bx lr
;
; CHECK-NON-MVE-LABEL: shift_right_imm_big2:
; CHECK-NON-MVE: @ %bb.0: @ %entry
; CHECK-NON-MVE-NEXT: movs r0, r1
; CHECK-NON-MVE-NEXT: movs r1, #0
; CHECK-NON-MVE-NEXT: bx lr
entry:
%shr = lshr i64 %x, 32
ret i64 %shr
}
define i64 @shift_right_imm_big3(i64 %x) {
; CHECK-LABEL: shift_right_imm_big3:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: lsrs r0, r1, #1
; CHECK-NEXT: movs r1, #0
; CHECK-NEXT: bx lr
entry:
%shr = lshr i64 %x, 33
ret i64 %shr
}
define i64 @shift_arithmetic_right_reg(i64 %x, i64 %y) {
; CHECK-MVE-LABEL: shift_arithmetic_right_reg:
; CHECK-MVE: @ %bb.0: @ %entry
; CHECK-MVE-NEXT: asrl r0, r1, r2
; CHECK-MVE-NEXT: bx lr
;
; CHECK-NON-MVE-LABEL: shift_arithmetic_right_reg:
; CHECK-NON-MVE: @ %bb.0: @ %entry
; CHECK-NON-MVE-NEXT: .save {r7, lr}
; CHECK-NON-MVE-NEXT: push {r7, lr}
; CHECK-NON-MVE-NEXT: bl __aeabi_lasr
; CHECK-NON-MVE-NEXT: pop {r7}
; CHECK-NON-MVE-NEXT: pop {r2}
; CHECK-NON-MVE-NEXT: bx r2
entry:
%shr = ashr i64 %x, %y
ret i64 %shr
}
define i64 @shift_arithmetic_right_imm(i64 %x) {
; CHECK-MVE-LABEL: shift_arithmetic_right_imm:
; CHECK-MVE: @ %bb.0: @ %entry
; CHECK-MVE-NEXT: asrl r0, r1, #3
; CHECK-MVE-NEXT: bx lr
;
; CHECK-NON-MVE-LABEL: shift_arithmetic_right_imm:
; CHECK-NON-MVE: @ %bb.0: @ %entry
; CHECK-NON-MVE-NEXT: lsls r2, r1, #29
; CHECK-NON-MVE-NEXT: lsrs r0, r0, #3
; CHECK-NON-MVE-NEXT: adds r0, r0, r2
; CHECK-NON-MVE-NEXT: asrs r1, r1, #3
; CHECK-NON-MVE-NEXT: bx lr
entry:
%shr = ashr i64 %x, 3
ret i64 %shr
}
%struct.bar = type { i16, i8, [5 x i8] }
define arm_aapcs_vfpcc void @fn1(%struct.bar* nocapture %a) {
; CHECK-MVE-LABEL: fn1:
; CHECK-MVE: @ %bb.0: @ %entry
; CHECK-MVE-NEXT: ldr r2, [r0, #4]
; CHECK-MVE-NEXT: movs r1, #0
; CHECK-MVE-NEXT: lsll r2, r1, #8
; CHECK-MVE-NEXT: strb r1, [r0, #7]
; CHECK-MVE-NEXT: str.w r2, [r0, #3]
; CHECK-MVE-NEXT: bx lr
;
; CHECK-NON-MVE-LABEL: fn1:
; CHECK-NON-MVE: @ %bb.0: @ %entry
; CHECK-NON-MVE-NEXT: ldr r1, [r0, #4]
; CHECK-NON-MVE-NEXT: lsls r2, r1, #8
; CHECK-NON-MVE-NEXT: movs r3, #3
; CHECK-NON-MVE-NEXT: str r2, [r0, r3]
; CHECK-NON-MVE-NEXT: adds r0, r0, #3
; CHECK-NON-MVE-NEXT: lsrs r1, r1, #24
; CHECK-NON-MVE-NEXT: strb r1, [r0, #4]
; CHECK-NON-MVE-NEXT: bx lr
entry:
%carey = getelementptr inbounds %struct.bar, %struct.bar* %a, i32 0, i32 2
%0 = bitcast [5 x i8]* %carey to i40*
%bf.load = load i40, i40* %0, align 1
%bf.clear = and i40 %bf.load, -256
store i40 %bf.clear, i40* %0, align 1
ret void
}
|
