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| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=thumbv6m-none-eabi | FileCheck %s --check-prefix=CHECK-T1
; RUN: llc < %s -mtriple=thumbv7m-none-eabi | FileCheck %s --check-prefix=CHECK-T2 --check-prefix=CHECK-T2NODSP
; RUN: llc < %s -mtriple=thumbv7em-none-eabi | FileCheck %s --check-prefix=CHECK-T2 --check-prefix=CHECK-T2DSP
; RUN: llc < %s -mtriple=armv8a-none-eabi | FileCheck %s --check-prefix=CHECK-ARM
declare i4 @llvm.uadd.sat.i4(i4, i4)
declare i8 @llvm.uadd.sat.i8(i8, i8)
declare i16 @llvm.uadd.sat.i16(i16, i16)
declare i32 @llvm.uadd.sat.i32(i32, i32)
declare i64 @llvm.uadd.sat.i64(i64, i64)
define i32 @func32(i32 %x, i32 %y, i32 %z) nounwind {
; CHECK-T1-LABEL: func32:
; CHECK-T1: @ %bb.0:
; CHECK-T1-NEXT: muls r1, r2, r1
; CHECK-T1-NEXT: adds r0, r0, r1
; CHECK-T1-NEXT: blo .LBB0_2
; CHECK-T1-NEXT: @ %bb.1:
; CHECK-T1-NEXT: movs r0, #0
; CHECK-T1-NEXT: mvns r0, r0
; CHECK-T1-NEXT: .LBB0_2:
; CHECK-T1-NEXT: bx lr
;
; CHECK-T2-LABEL: func32:
; CHECK-T2: @ %bb.0:
; CHECK-T2-NEXT: muls r1, r2, r1
; CHECK-T2-NEXT: adds r0, r0, r1
; CHECK-T2-NEXT: it hs
; CHECK-T2-NEXT: movhs.w r0, #-1
; CHECK-T2-NEXT: bx lr
;
; CHECK-ARM-LABEL: func32:
; CHECK-ARM: @ %bb.0:
; CHECK-ARM-NEXT: mul r1, r1, r2
; CHECK-ARM-NEXT: adds r0, r0, r1
; CHECK-ARM-NEXT: mvnhs r0, #0
; CHECK-ARM-NEXT: bx lr
%a = mul i32 %y, %z
%tmp = call i32 @llvm.uadd.sat.i32(i32 %x, i32 %a)
ret i32 %tmp
}
define i64 @func64(i64 %x, i64 %y, i64 %z) nounwind {
; CHECK-T1-LABEL: func64:
; CHECK-T1: @ %bb.0:
; CHECK-T1-NEXT: .save {r4, r5, r7, lr}
; CHECK-T1-NEXT: push {r4, r5, r7, lr}
; CHECK-T1-NEXT: movs r5, #0
; CHECK-T1-NEXT: ldr r2, [sp, #20]
; CHECK-T1-NEXT: ldr r3, [sp, #16]
; CHECK-T1-NEXT: adds r3, r0, r3
; CHECK-T1-NEXT: adcs r2, r1
; CHECK-T1-NEXT: mov r4, r5
; CHECK-T1-NEXT: adcs r4, r5
; CHECK-T1-NEXT: mvns r1, r5
; CHECK-T1-NEXT: cmp r4, #0
; CHECK-T1-NEXT: mov r0, r1
; CHECK-T1-NEXT: beq .LBB1_3
; CHECK-T1-NEXT: @ %bb.1:
; CHECK-T1-NEXT: cmp r4, #0
; CHECK-T1-NEXT: beq .LBB1_4
; CHECK-T1-NEXT: .LBB1_2:
; CHECK-T1-NEXT: pop {r4, r5, r7, pc}
; CHECK-T1-NEXT: .LBB1_3:
; CHECK-T1-NEXT: mov r0, r3
; CHECK-T1-NEXT: cmp r4, #0
; CHECK-T1-NEXT: bne .LBB1_2
; CHECK-T1-NEXT: .LBB1_4:
; CHECK-T1-NEXT: mov r1, r2
; CHECK-T1-NEXT: pop {r4, r5, r7, pc}
;
; CHECK-T2-LABEL: func64:
; CHECK-T2: @ %bb.0:
; CHECK-T2-NEXT: ldrd r2, r3, [sp]
; CHECK-T2-NEXT: mov.w r12, #0
; CHECK-T2-NEXT: adds r0, r0, r2
; CHECK-T2-NEXT: adcs r1, r3
; CHECK-T2-NEXT: adcs r2, r12, #0
; CHECK-T2-NEXT: itt ne
; CHECK-T2-NEXT: movne.w r0, #-1
; CHECK-T2-NEXT: movne.w r1, #-1
; CHECK-T2-NEXT: bx lr
;
; CHECK-ARM-LABEL: func64:
; CHECK-ARM: @ %bb.0:
; CHECK-ARM-NEXT: ldr r2, [sp]
; CHECK-ARM-NEXT: mov r12, #0
; CHECK-ARM-NEXT: ldr r3, [sp, #4]
; CHECK-ARM-NEXT: adds r0, r0, r2
; CHECK-ARM-NEXT: adcs r1, r1, r3
; CHECK-ARM-NEXT: adcs r2, r12, #0
; CHECK-ARM-NEXT: mvnne r0, #0
; CHECK-ARM-NEXT: mvnne r1, #0
; CHECK-ARM-NEXT: bx lr
%a = mul i64 %y, %z
%tmp = call i64 @llvm.uadd.sat.i64(i64 %x, i64 %z)
ret i64 %tmp
}
define zeroext i16 @func16(i16 zeroext %x, i16 zeroext %y, i16 zeroext %z) nounwind {
; CHECK-T1-LABEL: func16:
; CHECK-T1: @ %bb.0:
; CHECK-T1-NEXT: muls r1, r2, r1
; CHECK-T1-NEXT: uxth r1, r1
; CHECK-T1-NEXT: adds r0, r0, r1
; CHECK-T1-NEXT: ldr r1, .LCPI2_0
; CHECK-T1-NEXT: cmp r0, r1
; CHECK-T1-NEXT: blo .LBB2_2
; CHECK-T1-NEXT: @ %bb.1:
; CHECK-T1-NEXT: mov r0, r1
; CHECK-T1-NEXT: .LBB2_2:
; CHECK-T1-NEXT: bx lr
; CHECK-T1-NEXT: .p2align 2
; CHECK-T1-NEXT: @ %bb.3:
; CHECK-T1-NEXT: .LCPI2_0:
; CHECK-T1-NEXT: .long 65535 @ 0xffff
;
; CHECK-T2NODSP-LABEL: func16:
; CHECK-T2NODSP: @ %bb.0:
; CHECK-T2NODSP-NEXT: muls r1, r2, r1
; CHECK-T2NODSP-NEXT: uxth r1, r1
; CHECK-T2NODSP-NEXT: add r1, r0
; CHECK-T2NODSP-NEXT: movw r0, #65535
; CHECK-T2NODSP-NEXT: cmp r1, r0
; CHECK-T2NODSP-NEXT: it lo
; CHECK-T2NODSP-NEXT: movlo r0, r1
; CHECK-T2NODSP-NEXT: bx lr
;
; CHECK-T2DSP-LABEL: func16:
; CHECK-T2DSP: @ %bb.0:
; CHECK-T2DSP-NEXT: muls r1, r2, r1
; CHECK-T2DSP-NEXT: uxtah r1, r0, r1
; CHECK-T2DSP-NEXT: movw r0, #65535
; CHECK-T2DSP-NEXT: cmp r1, r0
; CHECK-T2DSP-NEXT: it lo
; CHECK-T2DSP-NEXT: movlo r0, r1
; CHECK-T2DSP-NEXT: bx lr
;
; CHECK-ARM-LABEL: func16:
; CHECK-ARM: @ %bb.0:
; CHECK-ARM-NEXT: mul r1, r1, r2
; CHECK-ARM-NEXT: uxtah r1, r0, r1
; CHECK-ARM-NEXT: movw r0, #65535
; CHECK-ARM-NEXT: cmp r1, r0
; CHECK-ARM-NEXT: movlo r0, r1
; CHECK-ARM-NEXT: bx lr
%a = mul i16 %y, %z
%tmp = call i16 @llvm.uadd.sat.i16(i16 %x, i16 %a)
ret i16 %tmp
}
define zeroext i8 @func8(i8 zeroext %x, i8 zeroext %y, i8 zeroext %z) nounwind {
; CHECK-T1-LABEL: func8:
; CHECK-T1: @ %bb.0:
; CHECK-T1-NEXT: muls r1, r2, r1
; CHECK-T1-NEXT: uxtb r1, r1
; CHECK-T1-NEXT: adds r0, r0, r1
; CHECK-T1-NEXT: cmp r0, #255
; CHECK-T1-NEXT: blo .LBB3_2
; CHECK-T1-NEXT: @ %bb.1:
; CHECK-T1-NEXT: movs r0, #255
; CHECK-T1-NEXT: .LBB3_2:
; CHECK-T1-NEXT: bx lr
;
; CHECK-T2NODSP-LABEL: func8:
; CHECK-T2NODSP: @ %bb.0:
; CHECK-T2NODSP-NEXT: muls r1, r2, r1
; CHECK-T2NODSP-NEXT: uxtb r1, r1
; CHECK-T2NODSP-NEXT: add r0, r1
; CHECK-T2NODSP-NEXT: cmp r0, #255
; CHECK-T2NODSP-NEXT: it hs
; CHECK-T2NODSP-NEXT: movhs r0, #255
; CHECK-T2NODSP-NEXT: bx lr
;
; CHECK-T2DSP-LABEL: func8:
; CHECK-T2DSP: @ %bb.0:
; CHECK-T2DSP-NEXT: muls r1, r2, r1
; CHECK-T2DSP-NEXT: uxtab r0, r0, r1
; CHECK-T2DSP-NEXT: cmp r0, #255
; CHECK-T2DSP-NEXT: it hs
; CHECK-T2DSP-NEXT: movhs r0, #255
; CHECK-T2DSP-NEXT: bx lr
;
; CHECK-ARM-LABEL: func8:
; CHECK-ARM: @ %bb.0:
; CHECK-ARM-NEXT: smulbb r1, r1, r2
; CHECK-ARM-NEXT: uxtab r0, r0, r1
; CHECK-ARM-NEXT: cmp r0, #255
; CHECK-ARM-NEXT: movhs r0, #255
; CHECK-ARM-NEXT: bx lr
%a = mul i8 %y, %z
%tmp = call i8 @llvm.uadd.sat.i8(i8 %x, i8 %a)
ret i8 %tmp
}
define zeroext i4 @func4(i4 zeroext %x, i4 zeroext %y, i4 zeroext %z) nounwind {
; CHECK-T1-LABEL: func4:
; CHECK-T1: @ %bb.0:
; CHECK-T1-NEXT: muls r1, r2, r1
; CHECK-T1-NEXT: movs r2, #15
; CHECK-T1-NEXT: ands r1, r2
; CHECK-T1-NEXT: adds r0, r0, r1
; CHECK-T1-NEXT: cmp r0, #15
; CHECK-T1-NEXT: blo .LBB4_2
; CHECK-T1-NEXT: @ %bb.1:
; CHECK-T1-NEXT: mov r0, r2
; CHECK-T1-NEXT: .LBB4_2:
; CHECK-T1-NEXT: bx lr
;
; CHECK-T2-LABEL: func4:
; CHECK-T2: @ %bb.0:
; CHECK-T2-NEXT: muls r1, r2, r1
; CHECK-T2-NEXT: and r1, r1, #15
; CHECK-T2-NEXT: add r0, r1
; CHECK-T2-NEXT: cmp r0, #15
; CHECK-T2-NEXT: it hs
; CHECK-T2-NEXT: movhs r0, #15
; CHECK-T2-NEXT: bx lr
;
; CHECK-ARM-LABEL: func4:
; CHECK-ARM: @ %bb.0:
; CHECK-ARM-NEXT: smulbb r1, r1, r2
; CHECK-ARM-NEXT: and r1, r1, #15
; CHECK-ARM-NEXT: add r0, r0, r1
; CHECK-ARM-NEXT: cmp r0, #15
; CHECK-ARM-NEXT: movhs r0, #15
; CHECK-ARM-NEXT: bx lr
%a = mul i4 %y, %z
%tmp = call i4 @llvm.uadd.sat.i4(i4 %x, i4 %a)
ret i4 %tmp
}
|