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TheRock/compiler/amd-llvm/llvm/test/CodeGen/ARM/cmp-select-sign.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=armv7a < %s | FileCheck %s --check-prefix=ARM
; RUN: llc -mtriple=armv6m < %s | FileCheck %s --check-prefix=THUMB
; RUN: llc -mtriple=armv7m < %s | FileCheck %s --check-prefix=THUMB2
; RUN: llc -mtriple=thumbv8.1m.main < %s | FileCheck %s --check-prefix=THUMBV8
define i3 @sign_i3(i3 %a) {
; ARM-LABEL: sign_i3:
; ARM: @ %bb.0:
; ARM-NEXT: lsl r0, r0, #29
; ARM-NEXT: mov r1, #1
; ARM-NEXT: orr r0, r1, r0, asr #31
; ARM-NEXT: bx lr
;
; THUMB-LABEL: sign_i3:
; THUMB: @ %bb.0:
; THUMB-NEXT: lsls r0, r0, #29
; THUMB-NEXT: asrs r1, r0, #31
; THUMB-NEXT: movs r0, #1
; THUMB-NEXT: orrs r0, r1
; THUMB-NEXT: bx lr
;
; THUMB2-LABEL: sign_i3:
; THUMB2: @ %bb.0:
; THUMB2-NEXT: lsls r0, r0, #29
; THUMB2-NEXT: movs r1, #1
; THUMB2-NEXT: orr.w r0, r1, r0, asr #31
; THUMB2-NEXT: bx lr
;
; THUMBV8-LABEL: sign_i3:
; THUMBV8: @ %bb.0:
; THUMBV8-NEXT: lsls r0, r0, #29
; THUMBV8-NEXT: movs r1, #1
; THUMBV8-NEXT: orr.w r0, r1, r0, asr #31
; THUMBV8-NEXT: bx lr
%c = icmp sgt i3 %a, -1
%res = select i1 %c, i3 1, i3 -1
ret i3 %res
}
define i4 @sign_i4(i4 %a) {
; ARM-LABEL: sign_i4:
; ARM: @ %bb.0:
; ARM-NEXT: lsl r0, r0, #28
; ARM-NEXT: mov r1, #1
; ARM-NEXT: orr r0, r1, r0, asr #31
; ARM-NEXT: bx lr
;
; THUMB-LABEL: sign_i4:
; THUMB: @ %bb.0:
; THUMB-NEXT: lsls r0, r0, #28
; THUMB-NEXT: asrs r1, r0, #31
; THUMB-NEXT: movs r0, #1
; THUMB-NEXT: orrs r0, r1
; THUMB-NEXT: bx lr
;
; THUMB2-LABEL: sign_i4:
; THUMB2: @ %bb.0:
; THUMB2-NEXT: lsls r0, r0, #28
; THUMB2-NEXT: movs r1, #1
; THUMB2-NEXT: orr.w r0, r1, r0, asr #31
; THUMB2-NEXT: bx lr
;
; THUMBV8-LABEL: sign_i4:
; THUMBV8: @ %bb.0:
; THUMBV8-NEXT: lsls r0, r0, #28
; THUMBV8-NEXT: movs r1, #1
; THUMBV8-NEXT: orr.w r0, r1, r0, asr #31
; THUMBV8-NEXT: bx lr
%c = icmp sgt i4 %a, -1
%res = select i1 %c, i4 1, i4 -1
ret i4 %res
}
define i8 @sign_i8(i8 %a) {
; ARM-LABEL: sign_i8:
; ARM: @ %bb.0:
; ARM-NEXT: sxtb r0, r0
; ARM-NEXT: mov r1, #1
; ARM-NEXT: orr r0, r1, r0, asr #7
; ARM-NEXT: bx lr
;
; THUMB-LABEL: sign_i8:
; THUMB: @ %bb.0:
; THUMB-NEXT: sxtb r0, r0
; THUMB-NEXT: asrs r1, r0, #7
; THUMB-NEXT: movs r0, #1
; THUMB-NEXT: orrs r0, r1
; THUMB-NEXT: bx lr
;
; THUMB2-LABEL: sign_i8:
; THUMB2: @ %bb.0:
; THUMB2-NEXT: sxtb r0, r0
; THUMB2-NEXT: movs r1, #1
; THUMB2-NEXT: orr.w r0, r1, r0, asr #7
; THUMB2-NEXT: bx lr
;
; THUMBV8-LABEL: sign_i8:
; THUMBV8: @ %bb.0:
; THUMBV8-NEXT: sxtb r0, r0
; THUMBV8-NEXT: movs r1, #1
; THUMBV8-NEXT: orr.w r0, r1, r0, asr #7
; THUMBV8-NEXT: bx lr
%c = icmp sgt i8 %a, -1
%res = select i1 %c, i8 1, i8 -1
ret i8 %res
}
define i16 @sign_i16(i16 %a) {
; ARM-LABEL: sign_i16:
; ARM: @ %bb.0:
; ARM-NEXT: sxth r0, r0
; ARM-NEXT: mov r1, #1
; ARM-NEXT: orr r0, r1, r0, asr #15
; ARM-NEXT: bx lr
;
; THUMB-LABEL: sign_i16:
; THUMB: @ %bb.0:
; THUMB-NEXT: sxth r0, r0
; THUMB-NEXT: asrs r1, r0, #15
; THUMB-NEXT: movs r0, #1
; THUMB-NEXT: orrs r0, r1
; THUMB-NEXT: bx lr
;
; THUMB2-LABEL: sign_i16:
; THUMB2: @ %bb.0:
; THUMB2-NEXT: sxth r0, r0
; THUMB2-NEXT: movs r1, #1
; THUMB2-NEXT: orr.w r0, r1, r0, asr #15
; THUMB2-NEXT: bx lr
;
; THUMBV8-LABEL: sign_i16:
; THUMBV8: @ %bb.0:
; THUMBV8-NEXT: sxth r0, r0
; THUMBV8-NEXT: movs r1, #1
; THUMBV8-NEXT: orr.w r0, r1, r0, asr #15
; THUMBV8-NEXT: bx lr
%c = icmp sgt i16 %a, -1
%res = select i1 %c, i16 1, i16 -1
ret i16 %res
}
define i32 @sign_i32(i32 %a) {
; ARM-LABEL: sign_i32:
; ARM: @ %bb.0:
; ARM-NEXT: mov r1, #1
; ARM-NEXT: orr r0, r1, r0, asr #31
; ARM-NEXT: bx lr
;
; THUMB-LABEL: sign_i32:
; THUMB: @ %bb.0:
; THUMB-NEXT: asrs r1, r0, #31
; THUMB-NEXT: movs r0, #1
; THUMB-NEXT: orrs r0, r1
; THUMB-NEXT: bx lr
;
; THUMB2-LABEL: sign_i32:
; THUMB2: @ %bb.0:
; THUMB2-NEXT: movs r1, #1
; THUMB2-NEXT: orr.w r0, r1, r0, asr #31
; THUMB2-NEXT: bx lr
;
; THUMBV8-LABEL: sign_i32:
; THUMBV8: @ %bb.0:
; THUMBV8-NEXT: movs r1, #1
; THUMBV8-NEXT: orr.w r0, r1, r0, asr #31
; THUMBV8-NEXT: bx lr
%c = icmp sgt i32 %a, -1
%res = select i1 %c, i32 1, i32 -1
ret i32 %res
}
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