1; RUN: llc -march=x86 < %s | FileCheck %s 2 3; No attributes, should not use idiv 4define i32 @test1(i32 inreg %x) { 5entry: 6 %div = sdiv i32 %x, 16 7 ret i32 %div 8; CHECK-LABEL: test1: 9; CHECK-NOT: idivl 10; CHECK: ret 11} 12 13; Has minsize (-Oz) attribute, should generate idiv 14define i32 @test2(i32 inreg %x) minsize { 15entry: 16 %div = sdiv i32 %x, 16 17 ret i32 %div 18; CHECK-LABEL: test2: 19; CHECK: idivl 20; CHECK: ret 21} 22 23; Has optsize (-Os) attribute, should not generate idiv 24define i32 @test3(i32 inreg %x) optsize { 25entry: 26 %div = sdiv i32 %x, 16 27 ret i32 %div 28; CHECK-LABEL: test3: 29; CHECK-NOT: idivl 30; CHECK: ret 31} 32 33 34