You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
59 lines
1.5 KiB
59 lines
1.5 KiB
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc < %s -mtriple=thumbv6m-none-eabi | FileCheck %s
|
|
|
|
define i8 @test_i8(i8 %a) nounwind {
|
|
; CHECK-LABEL: test_i8:
|
|
; CHECK: @ %bb.0:
|
|
; CHECK-NEXT: sxtb r1, r0
|
|
; CHECK-NEXT: asrs r1, r1, #7
|
|
; CHECK-NEXT: adds r0, r0, r1
|
|
; CHECK-NEXT: eors r0, r1
|
|
; CHECK-NEXT: bx lr
|
|
%tmp1neg = sub i8 0, %a
|
|
%b = icmp sgt i8 %a, -1
|
|
%abs = select i1 %b, i8 %a, i8 %tmp1neg
|
|
ret i8 %abs
|
|
}
|
|
|
|
define i16 @test_i16(i16 %a) nounwind {
|
|
; CHECK-LABEL: test_i16:
|
|
; CHECK: @ %bb.0:
|
|
; CHECK-NEXT: sxth r1, r0
|
|
; CHECK-NEXT: asrs r1, r1, #15
|
|
; CHECK-NEXT: adds r0, r0, r1
|
|
; CHECK-NEXT: eors r0, r1
|
|
; CHECK-NEXT: bx lr
|
|
%tmp1neg = sub i16 0, %a
|
|
%b = icmp sgt i16 %a, -1
|
|
%abs = select i1 %b, i16 %a, i16 %tmp1neg
|
|
ret i16 %abs
|
|
}
|
|
|
|
define i32 @test_i32(i32 %a) nounwind {
|
|
; CHECK-LABEL: test_i32:
|
|
; CHECK: @ %bb.0:
|
|
; CHECK-NEXT: asrs r1, r0, #31
|
|
; CHECK-NEXT: adds r0, r0, r1
|
|
; CHECK-NEXT: eors r0, r1
|
|
; CHECK-NEXT: bx lr
|
|
%tmp1neg = sub i32 0, %a
|
|
%b = icmp sgt i32 %a, -1
|
|
%abs = select i1 %b, i32 %a, i32 %tmp1neg
|
|
ret i32 %abs
|
|
}
|
|
|
|
define i64 @test_i64(i64 %a) nounwind {
|
|
; CHECK-LABEL: test_i64:
|
|
; CHECK: @ %bb.0:
|
|
; CHECK-NEXT: asrs r2, r1, #31
|
|
; CHECK-NEXT: adds r0, r0, r2
|
|
; CHECK-NEXT: adcs r1, r2
|
|
; CHECK-NEXT: eors r0, r2
|
|
; CHECK-NEXT: eors r1, r2
|
|
; CHECK-NEXT: bx lr
|
|
%tmp1neg = sub i64 0, %a
|
|
%b = icmp sgt i64 %a, -1
|
|
%abs = select i1 %b, i64 %a, i64 %tmp1neg
|
|
ret i64 %abs
|
|
}
|