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|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=arm64-apple-ios | FileCheck %s
;
; <rdar://problem/13820218>
define signext i16 @extendedLeftShiftcharToshortBy4(i8 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedLeftShiftcharToshortBy4:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sbfiz w0, w8, #4, #8
; CHECK-NEXT: ret
entry:
%inc = add i8 %a, 1
%conv1 = sext i8 %inc to i32
%shl = shl nsw i32 %conv1, 4
%conv2 = trunc i32 %shl to i16
ret i16 %conv2
}
define signext i16 @extendedRightShiftcharToshortBy4(i8 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedRightShiftcharToshortBy4:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sbfx w0, w8, #4, #4
; CHECK-NEXT: ret
entry:
%inc = add i8 %a, 1
%conv1 = sext i8 %inc to i32
%shr4 = lshr i32 %conv1, 4
%conv2 = trunc i32 %shr4 to i16
ret i16 %conv2
}
define signext i16 @extendedLeftShiftcharToshortBy8(i8 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedLeftShiftcharToshortBy8:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sbfiz w0, w8, #8, #8
; CHECK-NEXT: ret
entry:
%inc = add i8 %a, 1
%conv1 = sext i8 %inc to i32
%shl = shl nsw i32 %conv1, 8
%conv2 = trunc i32 %shl to i16
ret i16 %conv2
}
define signext i16 @extendedRightShiftcharToshortBy8(i8 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedRightShiftcharToshortBy8:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sxtb w8, w8
; CHECK-NEXT: asr w0, w8, #8
; CHECK-NEXT: ret
entry:
%inc = add i8 %a, 1
%conv1 = sext i8 %inc to i32
%shr4 = lshr i32 %conv1, 8
%conv2 = trunc i32 %shr4 to i16
ret i16 %conv2
}
define i32 @extendedLeftShiftcharTointBy4(i8 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedLeftShiftcharTointBy4:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sbfiz w0, w8, #4, #8
; CHECK-NEXT: ret
entry:
%inc = add i8 %a, 1
%conv = sext i8 %inc to i32
%shl = shl nsw i32 %conv, 4
ret i32 %shl
}
define i32 @extendedRightShiftcharTointBy4(i8 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedRightShiftcharTointBy4:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sbfx w0, w8, #4, #4
; CHECK-NEXT: ret
entry:
%inc = add i8 %a, 1
%conv = sext i8 %inc to i32
%shr = ashr i32 %conv, 4
ret i32 %shr
}
define i32 @extendedLeftShiftcharTointBy8(i8 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedLeftShiftcharTointBy8:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sbfiz w0, w8, #8, #8
; CHECK-NEXT: ret
entry:
%inc = add i8 %a, 1
%conv = sext i8 %inc to i32
%shl = shl nsw i32 %conv, 8
ret i32 %shl
}
define i32 @extendedRightShiftcharTointBy8(i8 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedRightShiftcharTointBy8:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sxtb w8, w8
; CHECK-NEXT: asr w0, w8, #8
; CHECK-NEXT: ret
entry:
%inc = add i8 %a, 1
%conv = sext i8 %inc to i32
%shr = ashr i32 %conv, 8
ret i32 %shr
}
define i64 @extendedLeftShiftcharToint64By4(i8 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedLeftShiftcharToint64By4:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sbfiz x0, x8, #4, #8
; CHECK-NEXT: ret
entry:
%inc = add i8 %a, 1
%conv = sext i8 %inc to i64
%shl = shl nsw i64 %conv, 4
ret i64 %shl
}
define i64 @extendedRightShiftcharToint64By4(i8 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedRightShiftcharToint64By4:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sbfx x0, x8, #4, #4
; CHECK-NEXT: ret
entry:
%inc = add i8 %a, 1
%conv = sext i8 %inc to i64
%shr = ashr i64 %conv, 4
ret i64 %shr
}
define i64 @extendedLeftShiftcharToint64By8(i8 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedLeftShiftcharToint64By8:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sbfiz x0, x8, #8, #8
; CHECK-NEXT: ret
entry:
%inc = add i8 %a, 1
%conv = sext i8 %inc to i64
%shl = shl nsw i64 %conv, 8
ret i64 %shl
}
define i64 @extendedRightShiftcharToint64By8(i8 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedRightShiftcharToint64By8:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sxtb x8, w8
; CHECK-NEXT: asr x0, x8, #8
; CHECK-NEXT: ret
entry:
%inc = add i8 %a, 1
%conv = sext i8 %inc to i64
%shr = ashr i64 %conv, 8
ret i64 %shr
}
define i32 @extendedLeftShiftshortTointBy4(i16 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedLeftShiftshortTointBy4:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sbfiz w0, w8, #4, #16
; CHECK-NEXT: ret
entry:
%inc = add i16 %a, 1
%conv = sext i16 %inc to i32
%shl = shl nsw i32 %conv, 4
ret i32 %shl
}
define i32 @extendedRightShiftshortTointBy4(i16 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedRightShiftshortTointBy4:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sbfx w0, w8, #4, #12
; CHECK-NEXT: ret
entry:
%inc = add i16 %a, 1
%conv = sext i16 %inc to i32
%shr = ashr i32 %conv, 4
ret i32 %shr
}
define i32 @extendedLeftShiftshortTointBy16(i16 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedLeftShiftshortTointBy16:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: lsl w8, w0, #16
; CHECK-NEXT: add w0, w8, #16, lsl #12 ; =65536
; CHECK-NEXT: ret
entry:
%inc = add i16 %a, 1
%conv2 = zext i16 %inc to i32
%shl = shl nuw i32 %conv2, 16
ret i32 %shl
}
define i32 @extendedRightShiftshortTointBy16(i16 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedRightShiftshortTointBy16:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sxth w8, w8
; CHECK-NEXT: asr w0, w8, #16
; CHECK-NEXT: ret
entry:
%inc = add i16 %a, 1
%conv = sext i16 %inc to i32
%shr = ashr i32 %conv, 16
ret i32 %shr
}
define i64 @extendedLeftShiftshortToint64By4(i16 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedLeftShiftshortToint64By4:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sbfiz x0, x8, #4, #16
; CHECK-NEXT: ret
entry:
%inc = add i16 %a, 1
%conv = sext i16 %inc to i64
%shl = shl nsw i64 %conv, 4
ret i64 %shl
}
define i64 @extendedRightShiftshortToint64By4(i16 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedRightShiftshortToint64By4:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sbfx x0, x8, #4, #12
; CHECK-NEXT: ret
entry:
%inc = add i16 %a, 1
%conv = sext i16 %inc to i64
%shr = ashr i64 %conv, 4
ret i64 %shr
}
define i64 @extendedLeftShiftshortToint64By16(i16 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedLeftShiftshortToint64By16:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sbfiz x0, x8, #16, #16
; CHECK-NEXT: ret
entry:
%inc = add i16 %a, 1
%conv = sext i16 %inc to i64
%shl = shl nsw i64 %conv, 16
ret i64 %shl
}
define i64 @extendedRightShiftshortToint64By16(i16 signext %a) nounwind readnone ssp {
; CHECK-LABEL: extendedRightShiftshortToint64By16:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sxth x8, w8
; CHECK-NEXT: asr x0, x8, #16
; CHECK-NEXT: ret
entry:
%inc = add i16 %a, 1
%conv = sext i16 %inc to i64
%shr = ashr i64 %conv, 16
ret i64 %shr
}
define i64 @extendedLeftShiftintToint64By4(i32 %a) nounwind readnone ssp {
; CHECK-LABEL: extendedLeftShiftintToint64By4:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sbfiz x0, x8, #4, #32
; CHECK-NEXT: ret
entry:
%inc = add nsw i32 %a, 1
%conv = sext i32 %inc to i64
%shl = shl nsw i64 %conv, 4
ret i64 %shl
}
define i64 @extendedRightShiftintToint64By4(i32 %a) nounwind readnone ssp {
; CHECK-LABEL: extendedRightShiftintToint64By4:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sbfx x0, x8, #4, #28
; CHECK-NEXT: ret
entry:
%inc = add nsw i32 %a, 1
%conv = sext i32 %inc to i64
%shr = ashr i64 %conv, 4
ret i64 %shr
}
define i64 @extendedLeftShiftintToint64By32(i32 %a) nounwind readnone ssp {
; CHECK-LABEL: extendedLeftShiftintToint64By32:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: lsl x0, x8, #32
; CHECK-NEXT: ret
entry:
%inc = add nsw i32 %a, 1
%conv2 = zext i32 %inc to i64
%shl = shl nuw i64 %conv2, 32
ret i64 %shl
}
define i64 @extendedRightShiftintToint64By32(i32 %a) nounwind readnone ssp {
; CHECK-LABEL: extendedRightShiftintToint64By32:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: add w8, w0, #1
; CHECK-NEXT: sxtw x8, w8
; CHECK-NEXT: asr x0, x8, #32
; CHECK-NEXT: ret
entry:
%inc = add nsw i32 %a, 1
%conv = sext i32 %inc to i64
%shr = ashr i64 %conv, 32
ret i64 %shr
}
define i64 @sign_extend_inreg_isdef32(i64) {
; CHECK-LABEL: sign_extend_inreg_isdef32:
; CHECK: ; %bb.0:
; CHECK-NEXT: sbfx x8, x0, #32, #16
; CHECK-NEXT: mov w0, w8
; CHECK-NEXT: ret
%2 = lshr i64 %0, 32
%3 = shl i64 %2, 16
%4 = trunc i64 %3 to i32
%5 = ashr exact i32 %4, 16
%6 = zext i32 %5 to i64
ret i64 %6
}
|
