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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 --show-mc-encoding | FileCheck %s --check-prefix=CHECK3; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=broadwell --show-mc-encoding | FileCheck %s --check-prefix=CHECK4 5declare i8 @llvm.x86.addcarryx.u32(i8, i32, i32, ptr)6 7define i8 @test_addcarryx_u32(i8 %c, i32 %a, i32 %b, ptr %ptr) {8; CHECK-LABEL: test_addcarryx_u32:9; CHECK: ## %bb.0:10; CHECK-NEXT: addb $-1, %dil ## encoding: [0x40,0x80,0xc7,0xff]11; CHECK-NEXT: adcl %edx, %esi ## encoding: [0x11,0xd6]12; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0]13; CHECK-NEXT: movl %esi, (%rcx) ## encoding: [0x89,0x31]14; CHECK-NEXT: retq ## encoding: [0xc3]15 %ret = tail call i8 @llvm.x86.addcarryx.u32(i8 %c, i32 %a, i32 %b, ptr %ptr)16 ret i8 %ret;17}18 19declare i8 @llvm.x86.addcarryx.u64(i8, i64, i64, ptr)20 21define i8 @test_addcarryx_u64(i8 %c, i64 %a, i64 %b, ptr %ptr) {22; CHECK-LABEL: test_addcarryx_u64:23; CHECK: ## %bb.0:24; CHECK-NEXT: addb $-1, %dil ## encoding: [0x40,0x80,0xc7,0xff]25; CHECK-NEXT: adcq %rdx, %rsi ## encoding: [0x48,0x11,0xd6]26; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0]27; CHECK-NEXT: movq %rsi, (%rcx) ## encoding: [0x48,0x89,0x31]28; CHECK-NEXT: retq ## encoding: [0xc3]29 %ret = tail call i8 @llvm.x86.addcarryx.u64(i8 %c, i64 %a, i64 %b, ptr %ptr)30 ret i8 %ret;31}32 33declare i8 @llvm.x86.addcarry.u32(i8, i32, i32, ptr)34 35define i8 @test_addcarry_u32(i8 %c, i32 %a, i32 %b, ptr %ptr) {36; CHECK-LABEL: test_addcarry_u32:37; CHECK: ## %bb.0:38; CHECK-NEXT: addb $-1, %dil ## encoding: [0x40,0x80,0xc7,0xff]39; CHECK-NEXT: adcl %edx, %esi ## encoding: [0x11,0xd6]40; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0]41; CHECK-NEXT: movl %esi, (%rcx) ## encoding: [0x89,0x31]42; CHECK-NEXT: retq ## encoding: [0xc3]43 %ret = tail call i8 @llvm.x86.addcarry.u32(i8 %c, i32 %a, i32 %b, ptr %ptr)44 ret i8 %ret;45}46 47declare i8 @llvm.x86.addcarry.u64(i8, i64, i64, ptr)48 49define i8 @test_addcarry_u64(i8 %c, i64 %a, i64 %b, ptr %ptr) {50; CHECK-LABEL: test_addcarry_u64:51; CHECK: ## %bb.0:52; CHECK-NEXT: addb $-1, %dil ## encoding: [0x40,0x80,0xc7,0xff]53; CHECK-NEXT: adcq %rdx, %rsi ## encoding: [0x48,0x11,0xd6]54; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0]55; CHECK-NEXT: movq %rsi, (%rcx) ## encoding: [0x48,0x89,0x31]56; CHECK-NEXT: retq ## encoding: [0xc3]57 %ret = tail call i8 @llvm.x86.addcarry.u64(i8 %c, i64 %a, i64 %b, ptr %ptr)58 ret i8 %ret;59}60 61declare i8 @llvm.x86.subborrow.u32(i8, i32, i32, ptr)62 63define i8 @test_subborrow_u32(i8 %c, i32 %a, i32 %b, ptr %ptr) {64; CHECK-LABEL: test_subborrow_u32:65; CHECK: ## %bb.0:66; CHECK-NEXT: addb $-1, %dil ## encoding: [0x40,0x80,0xc7,0xff]67; CHECK-NEXT: sbbl %edx, %esi ## encoding: [0x19,0xd6]68; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0]69; CHECK-NEXT: movl %esi, (%rcx) ## encoding: [0x89,0x31]70; CHECK-NEXT: retq ## encoding: [0xc3]71 %ret = tail call i8 @llvm.x86.subborrow.u32(i8 %c, i32 %a, i32 %b, ptr %ptr)72 ret i8 %ret;73}74 75declare i8 @llvm.x86.subborrow.u64(i8, i64, i64, ptr)76 77define i8 @test_subborrow_u64(i8 %c, i64 %a, i64 %b, ptr %ptr) {78; CHECK-LABEL: test_subborrow_u64:79; CHECK: ## %bb.0:80; CHECK-NEXT: addb $-1, %dil ## encoding: [0x40,0x80,0xc7,0xff]81; CHECK-NEXT: sbbq %rdx, %rsi ## encoding: [0x48,0x19,0xd6]82; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0]83; CHECK-NEXT: movq %rsi, (%rcx) ## encoding: [0x48,0x89,0x31]84; CHECK-NEXT: retq ## encoding: [0xc3]85 %ret = tail call i8 @llvm.x86.subborrow.u64(i8 %c, i64 %a, i64 %b, ptr %ptr)86 ret i8 %ret;87}88 89; Try a version with loads. Previously we crashed on this.90define i32 @load_crash(ptr nocapture readonly %a, ptr nocapture readonly %b, ptr %res) {91; CHECK-LABEL: load_crash:92; CHECK: ## %bb.0:93; CHECK-NEXT: movq (%rdi), %rcx ## encoding: [0x48,0x8b,0x0f]94; CHECK-NEXT: xorl %eax, %eax ## encoding: [0x31,0xc0]95; CHECK-NEXT: addq (%rsi), %rcx ## encoding: [0x48,0x03,0x0e]96; CHECK-NEXT: setb %al ## encoding: [0x0f,0x92,0xc0]97; CHECK-NEXT: movq %rcx, (%rdx) ## encoding: [0x48,0x89,0x0a]98; CHECK-NEXT: retq ## encoding: [0xc3]99 %1 = load i64, ptr %a, align 8100 %2 = load i64, ptr %b, align 8101 %3 = tail call i8 @llvm.x86.addcarryx.u64(i8 0, i64 %1, i64 %2, ptr %res)102 %conv = zext i8 %3 to i32103 ret i32 %conv104}105 106; Try a really simple all zero input case, which also used to crash107define void @allzeros() {108; CHECK-LABEL: allzeros:109; CHECK: ## %bb.0: ## %entry110; CHECK-NEXT: movq $0, 0 ## encoding: [0x48,0xc7,0x04,0x25,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00]111; CHECK-NEXT: retq ## encoding: [0xc3]112entry:113 %0 = tail call i8 @llvm.x86.addcarryx.u64(i8 0, i64 0, i64 0, ptr null)114 ret void115}116