; 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 declare i8 @llvm.smax.i8(i8 %a, i8 %b) readnone define i8 @smaxi8_zero(i8 %a) { ; ARM-LABEL: smaxi8_zero: ; ARM: @ %bb.0: ; ARM-NEXT: sxtb r0, r0 ; ARM-NEXT: bic r0, r0, r0, asr #31 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: smaxi8_zero: ; THUMB: @ %bb.0: ; THUMB-NEXT: sxtb r0, r0 ; THUMB-NEXT: asrs r1, r0, #31 ; THUMB-NEXT: bics r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: smaxi8_zero: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: sxtb r0, r0 ; THUMB2-NEXT: bic.w r0, r0, r0, asr #31 ; THUMB2-NEXT: bx lr ; ; THUMBV8-LABEL: smaxi8_zero: ; THUMBV8: @ %bb.0: ; THUMBV8-NEXT: sxtb r0, r0 ; THUMBV8-NEXT: bic.w r0, r0, r0, asr #31 ; THUMBV8-NEXT: bx lr %c = call i8 @llvm.smax.i8(i8 %a, i8 0) ret i8 %c } declare i16 @llvm.smax.i16(i16 %a, i16 %b) readnone define i16 @smaxi16_zero(i16 %a) { ; ARM-LABEL: smaxi16_zero: ; ARM: @ %bb.0: ; ARM-NEXT: sxth r0, r0 ; ARM-NEXT: bic r0, r0, r0, asr #31 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: smaxi16_zero: ; THUMB: @ %bb.0: ; THUMB-NEXT: sxth r0, r0 ; THUMB-NEXT: asrs r1, r0, #31 ; THUMB-NEXT: bics r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: smaxi16_zero: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: sxth r0, r0 ; THUMB2-NEXT: bic.w r0, r0, r0, asr #31 ; THUMB2-NEXT: bx lr ; ; THUMBV8-LABEL: smaxi16_zero: ; THUMBV8: @ %bb.0: ; THUMBV8-NEXT: sxth r0, r0 ; THUMBV8-NEXT: bic.w r0, r0, r0, asr #31 ; THUMBV8-NEXT: bx lr %c = call i16 @llvm.smax.i16(i16 %a, i16 0) ret i16 %c } declare i32 @llvm.smax.i32(i32 %a, i32 %b) readnone define i32 @smaxi32_zero(i32 %a) { ; ARM-LABEL: smaxi32_zero: ; ARM: @ %bb.0: ; ARM-NEXT: bic r0, r0, r0, asr #31 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: smaxi32_zero: ; THUMB: @ %bb.0: ; THUMB-NEXT: asrs r1, r0, #31 ; THUMB-NEXT: bics r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: smaxi32_zero: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: bic.w r0, r0, r0, asr #31 ; THUMB2-NEXT: bx lr ; ; THUMBV8-LABEL: smaxi32_zero: ; THUMBV8: @ %bb.0: ; THUMBV8-NEXT: bic.w r0, r0, r0, asr #31 ; THUMBV8-NEXT: bx lr %c = call i32 @llvm.smax.i32(i32 %a, i32 0) ret i32 %c } ; SMIN declare i8 @llvm.smin.i8(i8 %a, i8 %b) readnone define i8 @smini8_zero(i8 %a) { ; ARM-LABEL: smini8_zero: ; ARM: @ %bb.0: ; ARM-NEXT: sxtb r0, r0 ; ARM-NEXT: and r0, r0, r0, asr #31 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: smini8_zero: ; THUMB: @ %bb.0: ; THUMB-NEXT: sxtb r1, r0 ; THUMB-NEXT: asrs r0, r1, #31 ; THUMB-NEXT: ands r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: smini8_zero: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: sxtb r0, r0 ; THUMB2-NEXT: and.w r0, r0, r0, asr #31 ; THUMB2-NEXT: bx lr ; ; THUMBV8-LABEL: smini8_zero: ; THUMBV8: @ %bb.0: ; THUMBV8-NEXT: sxtb r0, r0 ; THUMBV8-NEXT: and.w r0, r0, r0, asr #31 ; THUMBV8-NEXT: bx lr %c = call i8 @llvm.smin.i8(i8 %a, i8 0) ret i8 %c } declare i16 @llvm.smin.i16(i16 %a, i16 %b) readnone define i16 @smini16_zero(i16 %a) { ; ARM-LABEL: smini16_zero: ; ARM: @ %bb.0: ; ARM-NEXT: sxth r0, r0 ; ARM-NEXT: and r0, r0, r0, asr #31 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: smini16_zero: ; THUMB: @ %bb.0: ; THUMB-NEXT: sxth r1, r0 ; THUMB-NEXT: asrs r0, r1, #31 ; THUMB-NEXT: ands r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: smini16_zero: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: sxth r0, r0 ; THUMB2-NEXT: and.w r0, r0, r0, asr #31 ; THUMB2-NEXT: bx lr ; ; THUMBV8-LABEL: smini16_zero: ; THUMBV8: @ %bb.0: ; THUMBV8-NEXT: sxth r0, r0 ; THUMBV8-NEXT: and.w r0, r0, r0, asr #31 ; THUMBV8-NEXT: bx lr %c = call i16 @llvm.smin.i16(i16 %a, i16 0) ret i16 %c } declare i32 @llvm.smin.i32(i32 %a, i32 %b) readnone define i32 @smini32_zero(i32 %a) { ; ARM-LABEL: smini32_zero: ; ARM: @ %bb.0: ; ARM-NEXT: and r0, r0, r0, asr #31 ; ARM-NEXT: bx lr ; ; THUMB-LABEL: smini32_zero: ; THUMB: @ %bb.0: ; THUMB-NEXT: asrs r1, r0, #31 ; THUMB-NEXT: ands r0, r1 ; THUMB-NEXT: bx lr ; ; THUMB2-LABEL: smini32_zero: ; THUMB2: @ %bb.0: ; THUMB2-NEXT: and.w r0, r0, r0, asr #31 ; THUMB2-NEXT: bx lr ; ; THUMBV8-LABEL: smini32_zero: ; THUMBV8: @ %bb.0: ; THUMBV8-NEXT: and.w r0, r0, r0, asr #31 ; THUMBV8-NEXT: bx lr %c = call i32 @llvm.smin.i32(i32 %a, i32 0) ret i32 %c }