| ; RUN: llc < %s -mtriple=thumbv7 -o - | llvm-mc -triple thumbv7 --show-encoding 2>&1 | FileCheck %s --check-prefix=V7 |
| ; RUN: llc < %s -mtriple=thumbv7 -arm-restrict-it -o - | llvm-mc -triple thumbv7 --show-encoding 2>&1 | FileCheck %s --check-prefix=V7_RESTRICT_IT |
| ; RUN: llc < %s -mtriple=thumbv8 -o - | llvm-mc -triple thumbv8 --show-encoding 2>&1 | FileCheck %s --check-prefix=V8 |
| ; RUN: llc < %s -mtriple=thumbv8 -arm-no-restrict-it -o - | llvm-mc -triple thumbv8 --show-encoding 2>&1 | FileCheck %s --check-prefix=V8_NO_RESTRICT_IT |
| |
| |
| ; V7-NOT: warning |
| ; V7_RESTRICT_IT-NOT: warning |
| ; V8-NOT: warning |
| ; V8_NO_RESTRICT_IT: warning: deprecated instruction in IT block |
| ; it ge @ encoding: [0xa8,0xbf] |
| ; lslge.w r3, r12, lr @ encoding: [0x0c,0xfa,0x0e,0xf3] ; deprecated in ARMv8 thumb mode |
| define i1 @scalar_i64_lowestbit_eq(i64 %x, i64 %y) { |
| %t0 = shl i64 1, %y |
| %t1 = and i64 %t0, %x |
| %res = icmp eq i64 %t1, 0 |
| ret i1 %res |
| } |
| |
| ; V7-NOT: warning |
| ; V7_RESTRICT_IT-NOT: warning |
| ; V8-NOT: warning |
| ; V8_NO_RESTRICT_IT: warning: deprecated instruction in IT block |
| ; it ne @ encoding: [0x18,0xbf] |
| ; movne.w r0, #-1 @ encoding: [0x4f,0xf0,0xff,0x30] ; deprecated in ARMv8 thumb mode |
| define i32 @icmp_eq_minus_one(i8* %ptr) { |
| %load = load i8, i8* %ptr, align 1 |
| %conv = zext i8 %load to i32 |
| %cmp = icmp eq i8 %load, -1 |
| %ret = select i1 %cmp, i32 %conv, i32 -1 |
| ret i32 %ret |
| } |