; RUN: llc < %s -mcpu=atom -march=x86-64 | FileCheck %s target triple = "x86_64-unknown-linux-gnu" ; Additional tests for 64-bit divide bypass define i64 @Test_get_quotient(i64 %a, i64 %b) nounwind { ; CHECK-LABEL: Test_get_quotient: ; CHECK: movq %rdi, %rax ; CHECK: orq %rsi, %rax ; CHECK-NEXT: testq $-65536, %rax ; CHECK-NEXT: je ; CHECK: idivq ; CHECK: ret ; CHECK: divw ; CHECK: ret %result = sdiv i64 %a, %b ret i64 %result } define i64 @Test_get_remainder(i64 %a, i64 %b) nounwind { ; CHECK-LABEL: Test_get_remainder: ; CHECK: movq %rdi, %rax ; CHECK: orq %rsi, %rax ; CHECK-NEXT: testq $-65536, %rax ; CHECK-NEXT: je ; CHECK: idivq ; CHECK: ret ; CHECK: divw ; CHECK: ret %result = srem i64 %a, %b ret i64 %result } define i64 @Test_get_quotient_and_remainder(i64 %a, i64 %b) nounwind { ; CHECK-LABEL: Test_get_quotient_and_remainder: ; CHECK: movq %rdi, %rax ; CHECK: orq %rsi, %rax ; CHECK-NEXT: testq $-65536, %rax ; CHECK-NEXT: je ; CHECK: idivq ; CHECK: divw ; CHECK: addq ; CHECK: ret ; CHECK-NOT: idivq ; CHECK-NOT: divw %resultdiv = sdiv i64 %a, %b %resultrem = srem i64 %a, %b %result = add i64 %resultdiv, %resultrem ret i64 %result }