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