; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=armv6-eabi %s -o - | FileCheck %s --check-prefixes=CHECK,ARMV6 ; RUN: llc -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+dsp %s -o - | FileCheck %s --check-prefixes=CHECK,THUMB define arm_aapcs_vfpcc i32 @usat_lsl(i32 %num){ ; CHECK-LABEL: usat_lsl: ; CHECK: @ %bb.0: @ %entry ; CHECK-NEXT: usat r0, #7, r0, lsl #2 ; CHECK-NEXT: bx lr entry: %shl = shl i32 %num, 2 %0 = tail call i32 @llvm.arm.usat(i32 %shl, i32 7) ret i32 %0 } define arm_aapcs_vfpcc i32 @usat_asr(i32 %num){ ; CHECK-LABEL: usat_asr: ; CHECK: @ %bb.0: @ %entry ; CHECK-NEXT: usat r0, #7, r0, asr #2 ; CHECK-NEXT: bx lr entry: %shr = ashr i32 %num, 2 %0 = tail call i32 @llvm.arm.usat(i32 %shr, i32 7) ret i32 %0 } define arm_aapcs_vfpcc i32 @usat_lsl2(i32 %num){ ; ARMV6-LABEL: usat_lsl2: ; ARMV6: @ %bb.0: @ %entry ; ARMV6-NEXT: lsl r0, r0, #15 ; ARMV6-NEXT: bic r1, r0, r0, asr #31 ; ARMV6-NEXT: mov r0, #255 ; ARMV6-NEXT: orr r0, r0, #32512 ; ARMV6-NEXT: cmp r1, r0 ; ARMV6-NEXT: movlt r0, r1 ; ARMV6-NEXT: bx lr ; ; THUMB-LABEL: usat_lsl2: ; THUMB: @ %bb.0: @ %entry ; THUMB-NEXT: lsls r0, r0, #15 ; THUMB-NEXT: movw r1, #32767 ; THUMB-NEXT: bic.w r0, r0, r0, asr #31 ; THUMB-NEXT: cmp r0, r1 ; THUMB-NEXT: csel r0, r0, r1, lt ; THUMB-NEXT: bx lr entry: %shl = shl nsw i32 %num, 15 %0 = icmp sgt i32 %shl, 0 %1 = select i1 %0, i32 %shl, i32 0 %2 = icmp slt i32 %1, 32767 %3 = select i1 %2, i32 %1, i32 32767 ret i32 %3 } define arm_aapcs_vfpcc i32 @usat_asr2(i32 %num){ ; ARMV6-LABEL: usat_asr2: ; ARMV6: @ %bb.0: @ %entry ; ARMV6-NEXT: asr r1, r0, #15 ; ARMV6-NEXT: bic r1, r1, r0, asr #31 ; ARMV6-NEXT: mov r0, #255 ; ARMV6-NEXT: orr r0, r0, #32512 ; ARMV6-NEXT: cmp r1, r0 ; ARMV6-NEXT: movlt r0, r1 ; ARMV6-NEXT: bx lr ; ; THUMB-LABEL: usat_asr2: ; THUMB: @ %bb.0: @ %entry ; THUMB-NEXT: asrs r1, r0, #15 ; THUMB-NEXT: bic.w r0, r1, r0, asr #31 ; THUMB-NEXT: movw r1, #32767 ; THUMB-NEXT: cmp r0, r1 ; THUMB-NEXT: csel r0, r0, r1, lt ; THUMB-NEXT: bx lr entry: %shr = ashr i32 %num, 15 %0 = icmp sgt i32 %shr, 0 %1 = select i1 %0, i32 %shr, i32 0 %2 = icmp slt i32 %1, 32767 %3 = select i1 %2, i32 %1, i32 32767 ret i32 %3 } declare i32 @llvm.arm.usat(i32, i32)