| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | |
| ; RUN: llc -mtriple=armv6-eabi %s -o - | FileCheck %s | |
| ; RUN: llc -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+dsp %s -o - | FileCheck %s | |
| define i32 @ssat_lsl(i32 %num){ | |
| ; CHECK-LABEL: ssat_lsl | |
| ; CHECK: @ %bb.0: @ %entry | |
| ; CHECK-NEXT: ssat r0, #8, r0, lsl #7 | |
| ; CHECK-NEXT: bx lr | |
| entry: | |
| %shl = shl i32 %num, 7 | |
| %0 = tail call i32 @llvm.arm.ssat(i32 %shl, i32 8) | |
| ret i32 %0 | |
| } | |
| define i32 @ssat_asr(i32 %num){ | |
| ; CHECK-LABEL: ssat_asr | |
| ; CHECK: @ %bb.0: @ %entry | |
| ; CHECK-NEXT: ssat r0, #8, r0, asr #7 | |
| ; CHECK-NEXT: bx lr | |
| entry: | |
| %shr = ashr i32 %num, 7 | |
| %0 = tail call i32 @llvm.arm.ssat(i32 %shr, i32 8) | |
| ret i32 %0 | |
| } | |
| define i32 @ssat_lsl2(i32 %num){ | |
| ; CHECK-LABEL: ssat_lsl2: | |
| ; CHECK: @ %bb.0: @ %entry | |
| ; CHECK-NEXT: ssat r0, #16, r0, lsl #15 | |
| ; CHECK-NEXT: bx lr | |
| entry: | |
| %shl = shl nsw i32 %num, 15 | |
| %0 = icmp sgt i32 %shl, -32768 | |
| %1 = select i1 %0, i32 %shl, i32 -32768 | |
| %2 = icmp slt i32 %1, 32767 | |
| %3 = select i1 %2, i32 %1, i32 32767 | |
| ret i32 %3 | |
| } | |
| define i32 @ssat_asr2(i32 %num){ | |
| ; CHECK-LABEL: ssat_asr2: | |
| ; CHECK: @ %bb.0: @ %entry | |
| ; CHECK-NEXT: ssat r0, #16, r0, asr #15 | |
| ; CHECK-NEXT: bx lr | |
| entry: | |
| %shr = ashr i32 %num, 15 | |
| %0 = icmp sgt i32 %shr, -32768 | |
| %1 = select i1 %0, i32 %shr, i32 -32768 | |
| %2 = icmp slt i32 %1, 32767 | |
| %3 = select i1 %2, i32 %1, i32 32767 | |
| ret i32 %3 | |
| } | |
| declare i32 @llvm.arm.ssat(i32, i32) |