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llvm/llvm/test/CodeGen/Hexagon/atomicrmw-cond-sub-clamp.ll 

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -march=hexagon < %s | FileCheck %s

define i8 @atomicrmw_usub_cond_i8(ptr %ptr, i8 %val) {
; CHECK-LABEL: atomicrmw_usub_cond_i8:
; CHECK:         .cfi_startproc
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    {
; CHECK-NEXT:     r0 = and(#24,asl(r0,#3))
; CHECK-NEXT:     r3 = and(r0,#-4)
; CHECK-NEXT:     r2 = #255
; CHECK-NEXT:     r4 = and(r1,#255)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r2 = asl(r2,r0)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r5 = sub(#-1,r2)
; CHECK-NEXT:    }
; CHECK-NEXT:    .p2align 4
; CHECK-NEXT:  .LBB0_1: // %atomicrmw.start
; CHECK-NEXT:    // =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    {
; CHECK-NEXT:     r6 = memw_locked(r3)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r2 = lsr(r6,r0)
; CHECK-NEXT:     r6 = and(r6,r5)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r7 = and(r2,#255)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     p0 = cmp.gtu(r4,r7)
; CHECK-NEXT:     if (p0.new) r7 = add(r2,#0)
; CHECK-NEXT:     if (!p0.new) r7 = sub(r2,r1)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r7 = and(r7,#255)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r6 |= asl(r7,r0)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     memw_locked(r3,p0) = r6
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     if (!p0) jump:nt .LBB0_1
; CHECK-NEXT:    }
; CHECK-NEXT:  // %bb.2: // %atomicrmw.end
; CHECK-NEXT:    {
; CHECK-NEXT:     r0 = r2
; CHECK-NEXT:     jumpr r31
; CHECK-NEXT:    }
  %result = atomicrmw usub_cond ptr %ptr, i8 %val seq_cst
  ret i8 %result
}

define i16 @atomicrmw_usub_cond_i16(ptr %ptr, i16 %val) {
; CHECK-LABEL: atomicrmw_usub_cond_i16:
; CHECK:         .cfi_startproc
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    {
; CHECK-NEXT:     r0 = and(#24,asl(r0,#3))
; CHECK-NEXT:     r3 = and(r0,#-4)
; CHECK-NEXT:     r2 = ##65535
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r2 = asl(r2,r0)
; CHECK-NEXT:     r4 = zxth(r1)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r5 = sub(#-1,r2)
; CHECK-NEXT:    }
; CHECK-NEXT:    .p2align 4
; CHECK-NEXT:  .LBB1_1: // %atomicrmw.start
; CHECK-NEXT:    // =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    {
; CHECK-NEXT:     r6 = memw_locked(r3)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r2 = lsr(r6,r0)
; CHECK-NEXT:     r6 = and(r6,r5)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r7 = zxth(r2)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     p0 = cmp.gtu(r4,r7)
; CHECK-NEXT:     if (p0.new) r7 = add(r2,#0)
; CHECK-NEXT:     if (!p0.new) r7 = sub(r2,r1)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r7 = zxth(r7)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r6 |= asl(r7,r0)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     memw_locked(r3,p0) = r6
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     if (!p0) jump:nt .LBB1_1
; CHECK-NEXT:    }
; CHECK-NEXT:  // %bb.2: // %atomicrmw.end
; CHECK-NEXT:    {
; CHECK-NEXT:     r0 = r2
; CHECK-NEXT:     jumpr r31
; CHECK-NEXT:    }
  %result = atomicrmw usub_cond ptr %ptr, i16 %val seq_cst
  ret i16 %result
}

define i32 @atomicrmw_usub_cond_i32(ptr %ptr, i32 %val) {
; CHECK-LABEL: atomicrmw_usub_cond_i32:
; CHECK:         .cfi_startproc
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    .p2align 4
; CHECK-NEXT:  .LBB2_1: // %atomicrmw.start
; CHECK-NEXT:    // =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    {
; CHECK-NEXT:     r2 = memw_locked(r0)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     p0 = cmp.gtu(r1,r2)
; CHECK-NEXT:     if (p0.new) r3 = add(r2,#0)
; CHECK-NEXT:     if (!p0.new) r3 = sub(r2,r1)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     memw_locked(r0,p0) = r3
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     if (!p0) jump:nt .LBB2_1
; CHECK-NEXT:    }
; CHECK-NEXT:  // %bb.2: // %atomicrmw.end
; CHECK-NEXT:    {
; CHECK-NEXT:     r0 = r2
; CHECK-NEXT:     jumpr r31
; CHECK-NEXT:    }
  %result = atomicrmw usub_cond ptr %ptr, i32 %val seq_cst
  ret i32 %result
}

define i64 @atomicrmw_usub_cond_i64(ptr %ptr, i64 %val) {
; CHECK-LABEL: atomicrmw_usub_cond_i64:
; CHECK:         .cfi_startproc
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    .p2align 4
; CHECK-NEXT:  .LBB3_1: // %atomicrmw.start
; CHECK-NEXT:    // =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    {
; CHECK-NEXT:     r5:4 = memd_locked(r0)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r7:6 = sub(r5:4,r3:2)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     p0 = cmp.gtu(r3:2,r5:4)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r8 = mux(p0,r4,r6)
; CHECK-NEXT:     r9 = mux(p0,r5,r7)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     memd_locked(r0,p0) = r9:8
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     if (!p0) jump:nt .LBB3_1
; CHECK-NEXT:    }
; CHECK-NEXT:  // %bb.2: // %atomicrmw.end
; CHECK-NEXT:    {
; CHECK-NEXT:     r1:0 = combine(r5,r4)
; CHECK-NEXT:     jumpr r31
; CHECK-NEXT:    }
  %result = atomicrmw usub_cond ptr %ptr, i64 %val seq_cst
  ret i64 %result
}

define i8 @atomicrmw_usub_sat_i8(ptr %ptr, i8 %val) {
; CHECK-LABEL: atomicrmw_usub_sat_i8:
; CHECK:         .cfi_startproc
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    {
; CHECK-NEXT:     r0 = and(#24,asl(r0,#3))
; CHECK-NEXT:     r2 = and(r0,#-4)
; CHECK-NEXT:     r3 = #255
; CHECK-NEXT:     r1 = and(r1,#255)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r3 = asl(r3,r0)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r3 = sub(#-1,r3)
; CHECK-NEXT:    }
; CHECK-NEXT:    .p2align 4
; CHECK-NEXT:  .LBB4_1: // %atomicrmw.start
; CHECK-NEXT:    // =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    {
; CHECK-NEXT:     r5 = #255
; CHECK-NEXT:     r4 = memw_locked(r2)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r5 &= lsr(r4,r0)
; CHECK-NEXT:     r6 = and(r4,r3)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r5 = maxu(r5,r1)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r5 = sub(r5,r1)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r6 |= asl(r5,r0)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     memw_locked(r2,p0) = r6
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     if (!p0) jump:nt .LBB4_1
; CHECK-NEXT:    }
; CHECK-NEXT:  // %bb.2: // %atomicrmw.end
; CHECK-NEXT:    {
; CHECK-NEXT:     r0 = lsr(r4,r0)
; CHECK-NEXT:     jumpr r31
; CHECK-NEXT:    }
  %result = atomicrmw usub_sat ptr %ptr, i8 %val seq_cst
  ret i8 %result
}

define i16 @atomicrmw_usub_sat_i16(ptr %ptr, i16 %val) {
; CHECK-LABEL: atomicrmw_usub_sat_i16:
; CHECK:         .cfi_startproc
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    {
; CHECK-NEXT:     r0 = and(#24,asl(r0,#3))
; CHECK-NEXT:     r2 = and(r0,#-4)
; CHECK-NEXT:     r3 = ##65535
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r3 = asl(r3,r0)
; CHECK-NEXT:     r1 = zxth(r1)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r3 = sub(#-1,r3)
; CHECK-NEXT:    }
; CHECK-NEXT:    .p2align 4
; CHECK-NEXT:  .LBB5_1: // %atomicrmw.start
; CHECK-NEXT:    // =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    {
; CHECK-NEXT:     r5 = ##65535
; CHECK-NEXT:     r4 = memw_locked(r2)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r5 &= lsr(r4,r0)
; CHECK-NEXT:     r6 = and(r4,r3)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r5 = maxu(r5,r1)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r5 = sub(r5,r1)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r6 |= asl(r5,r0)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     memw_locked(r2,p0) = r6
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     if (!p0) jump:nt .LBB5_1
; CHECK-NEXT:    }
; CHECK-NEXT:  // %bb.2: // %atomicrmw.end
; CHECK-NEXT:    {
; CHECK-NEXT:     r0 = lsr(r4,r0)
; CHECK-NEXT:     jumpr r31
; CHECK-NEXT:    }
  %result = atomicrmw usub_sat ptr %ptr, i16 %val seq_cst
  ret i16 %result
}

define i32 @atomicrmw_usub_sat_i32(ptr %ptr, i32 %val) {
; CHECK-LABEL: atomicrmw_usub_sat_i32:
; CHECK:         .cfi_startproc
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    .p2align 4
; CHECK-NEXT:  .LBB6_1: // %atomicrmw.start
; CHECK-NEXT:    // =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    {
; CHECK-NEXT:     r2 = memw_locked(r0)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r3 = maxu(r2,r1)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r3 = sub(r3,r1)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     memw_locked(r0,p0) = r3
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     if (!p0) jump:nt .LBB6_1
; CHECK-NEXT:    }
; CHECK-NEXT:  // %bb.2: // %atomicrmw.end
; CHECK-NEXT:    {
; CHECK-NEXT:     r0 = r2
; CHECK-NEXT:     jumpr r31
; CHECK-NEXT:    }
  %result = atomicrmw usub_sat ptr %ptr, i32 %val seq_cst
  ret i32 %result
}

define i64 @atomicrmw_usub_sat_i64(ptr %ptr, i64 %val) {
; CHECK-LABEL: atomicrmw_usub_sat_i64:
; CHECK:         .cfi_startproc
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    .p2align 4
; CHECK-NEXT:  .LBB7_1: // %atomicrmw.start
; CHECK-NEXT:    // =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    {
; CHECK-NEXT:     r5:4 = memd_locked(r0)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r7:6 = maxu(r5:4,r3:2)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     r7:6 = sub(r7:6,r3:2)
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     memd_locked(r0,p0) = r7:6
; CHECK-NEXT:    }
; CHECK-NEXT:    {
; CHECK-NEXT:     if (!p0) jump:nt .LBB7_1
; CHECK-NEXT:    }
; CHECK-NEXT:  // %bb.2: // %atomicrmw.end
; CHECK-NEXT:    {
; CHECK-NEXT:     r1:0 = combine(r5,r4)
; CHECK-NEXT:     jumpr r31
; CHECK-NEXT:    }
  %result = atomicrmw usub_sat ptr %ptr, i64 %val seq_cst
  ret i64 %result
}