| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 --show-mc-encoding | FileCheck %s --check-prefix=CHECK |
| ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=broadwell --show-mc-encoding | FileCheck %s --check-prefix=CHECK |
| |
| declare i8 @llvm.x86.addcarryx.u32(i8, i32, i32, i8*) |
| |
| define i8 @test_addcarryx_u32(i8 %c, i32 %a, i32 %b, i8* %ptr) { |
| ; CHECK-LABEL: test_addcarryx_u32: |
| ; CHECK: ## %bb.0: |
| ; CHECK-NEXT: addb $-1, %dil ## encoding: [0x40,0x80,0xc7,0xff] |
| ; CHECK-NEXT: adcl %edx, %esi ## encoding: [0x11,0xd6] |
| ; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0] |
| ; CHECK-NEXT: movl %esi, (%rcx) ## encoding: [0x89,0x31] |
| ; CHECK-NEXT: retq ## encoding: [0xc3] |
| %ret = tail call i8 @llvm.x86.addcarryx.u32(i8 %c, i32 %a, i32 %b, i8* %ptr) |
| ret i8 %ret; |
| } |
| |
| declare i8 @llvm.x86.addcarryx.u64(i8, i64, i64, i8*) |
| |
| define i8 @test_addcarryx_u64(i8 %c, i64 %a, i64 %b, i8* %ptr) { |
| ; CHECK-LABEL: test_addcarryx_u64: |
| ; CHECK: ## %bb.0: |
| ; CHECK-NEXT: addb $-1, %dil ## encoding: [0x40,0x80,0xc7,0xff] |
| ; CHECK-NEXT: adcq %rdx, %rsi ## encoding: [0x48,0x11,0xd6] |
| ; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0] |
| ; CHECK-NEXT: movq %rsi, (%rcx) ## encoding: [0x48,0x89,0x31] |
| ; CHECK-NEXT: retq ## encoding: [0xc3] |
| %ret = tail call i8 @llvm.x86.addcarryx.u64(i8 %c, i64 %a, i64 %b, i8* %ptr) |
| ret i8 %ret; |
| } |
| |
| declare i8 @llvm.x86.addcarry.u32(i8, i32, i32, i8*) |
| |
| define i8 @test_addcarry_u32(i8 %c, i32 %a, i32 %b, i8* %ptr) { |
| ; CHECK-LABEL: test_addcarry_u32: |
| ; CHECK: ## %bb.0: |
| ; CHECK-NEXT: addb $-1, %dil ## encoding: [0x40,0x80,0xc7,0xff] |
| ; CHECK-NEXT: adcl %edx, %esi ## encoding: [0x11,0xd6] |
| ; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0] |
| ; CHECK-NEXT: movl %esi, (%rcx) ## encoding: [0x89,0x31] |
| ; CHECK-NEXT: retq ## encoding: [0xc3] |
| %ret = tail call i8 @llvm.x86.addcarry.u32(i8 %c, i32 %a, i32 %b, i8* %ptr) |
| ret i8 %ret; |
| } |
| |
| declare i8 @llvm.x86.addcarry.u64(i8, i64, i64, i8*) |
| |
| define i8 @test_addcarry_u64(i8 %c, i64 %a, i64 %b, i8* %ptr) { |
| ; CHECK-LABEL: test_addcarry_u64: |
| ; CHECK: ## %bb.0: |
| ; CHECK-NEXT: addb $-1, %dil ## encoding: [0x40,0x80,0xc7,0xff] |
| ; CHECK-NEXT: adcq %rdx, %rsi ## encoding: [0x48,0x11,0xd6] |
| ; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0] |
| ; CHECK-NEXT: movq %rsi, (%rcx) ## encoding: [0x48,0x89,0x31] |
| ; CHECK-NEXT: retq ## encoding: [0xc3] |
| %ret = tail call i8 @llvm.x86.addcarry.u64(i8 %c, i64 %a, i64 %b, i8* %ptr) |
| ret i8 %ret; |
| } |
| |
| declare i8 @llvm.x86.subborrow.u32(i8, i32, i32, i8*) |
| |
| define i8 @test_subborrow_u32(i8 %c, i32 %a, i32 %b, i8* %ptr) { |
| ; CHECK-LABEL: test_subborrow_u32: |
| ; CHECK: ## %bb.0: |
| ; CHECK-NEXT: addb $-1, %dil ## encoding: [0x40,0x80,0xc7,0xff] |
| ; CHECK-NEXT: sbbl %edx, %esi ## encoding: [0x19,0xd6] |
| ; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0] |
| ; CHECK-NEXT: movl %esi, (%rcx) ## encoding: [0x89,0x31] |
| ; CHECK-NEXT: retq ## encoding: [0xc3] |
| %ret = tail call i8 @llvm.x86.subborrow.u32(i8 %c, i32 %a, i32 %b, i8* %ptr) |
| ret i8 %ret; |
| } |
| |
| declare i8 @llvm.x86.subborrow.u64(i8, i64, i64, i8*) |
| |
| define i8 @test_subborrow_u64(i8 %c, i64 %a, i64 %b, i8* %ptr) { |
| ; CHECK-LABEL: test_subborrow_u64: |
| ; CHECK: ## %bb.0: |
| ; CHECK-NEXT: addb $-1, %dil ## encoding: [0x40,0x80,0xc7,0xff] |
| ; CHECK-NEXT: sbbq %rdx, %rsi ## encoding: [0x48,0x19,0xd6] |
| ; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0] |
| ; CHECK-NEXT: movq %rsi, (%rcx) ## encoding: [0x48,0x89,0x31] |
| ; CHECK-NEXT: retq ## encoding: [0xc3] |
| %ret = tail call i8 @llvm.x86.subborrow.u64(i8 %c, i64 %a, i64 %b, i8* %ptr) |
| ret i8 %ret; |
| } |
| |
| ; Try a version with loads. Previously we crashed on this. |
| define i32 @load_crash(i64* nocapture readonly %a, i64* nocapture readonly %b, i64* %res) { |
| ; CHECK-LABEL: load_crash: |
| ; CHECK: ## %bb.0: |
| ; CHECK-NEXT: movq (%rdi), %rcx ## encoding: [0x48,0x8b,0x0f] |
| ; CHECK-NEXT: xorl %eax, %eax ## encoding: [0x31,0xc0] |
| ; CHECK-NEXT: addq (%rsi), %rcx ## encoding: [0x48,0x03,0x0e] |
| ; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0] |
| ; CHECK-NEXT: movq %rcx, (%rdx) ## encoding: [0x48,0x89,0x0a] |
| ; CHECK-NEXT: retq ## encoding: [0xc3] |
| %1 = load i64, i64* %a, align 8 |
| %2 = load i64, i64* %b, align 8 |
| %3 = bitcast i64* %res to i8* |
| %4 = tail call i8 @llvm.x86.addcarryx.u64(i8 0, i64 %1, i64 %2, i8* %3) |
| %conv = zext i8 %4 to i32 |
| ret i32 %conv |
| } |
| |
| ; Try a really simple all zero input case, which also used to crash |
| define void @allzeros() { |
| ; CHECK-LABEL: allzeros: |
| ; CHECK: ## %bb.0: ## %entry |
| ; CHECK-NEXT: movq $0, 0 ## encoding: [0x48,0xc7,0x04,0x25,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00] |
| ; CHECK-NEXT: retq ## encoding: [0xc3] |
| entry: |
| %0 = tail call i8 @llvm.x86.addcarryx.u64(i8 0, i64 0, i64 0, i8* null) |
| ret void |
| } |