1; Default behavior 2; RUN: opt < %s -passes='loop-unroll' -S | FileCheck %s -check-prefixes=ENABLE,COMMON 3 4; Pass option 5; RUN: opt < %s -passes='loop-unroll<full-unroll-max=0>' -S | FileCheck %s -check-prefixes=DISABLE,COMMON 6; RUN: opt < %s -passes='loop-unroll<full-unroll-max=30>' -S | FileCheck %s -check-prefixes=DISABLE,COMMON 7; RUN: opt < %s -passes='loop-unroll<full-unroll-max=36>' -S | FileCheck %s -check-prefixes=ENABLE,COMMON 8 9; cl::opt option 10; RUN: opt < %s -passes='loop-unroll' -unroll-full-max-count=0 -S | FileCheck %s -check-prefixes=DISABLE,COMMON 11; RUN: opt < %s -passes='loop-unroll' -unroll-full-max-count=30 -S | FileCheck %s -check-prefixes=DISABLE,COMMON 12; RUN: opt < %s -passes='loop-unroll' -unroll-full-max-count=36 -S | FileCheck %s -check-prefixes=ENABLE,COMMON 13 14; Pass option has a priority over cl::opt 15; RUN: opt < %s -passes='loop-unroll<full-unroll-max=30>' -unroll-full-max-count=36 -S | FileCheck %s -check-prefixes=DISABLE,COMMON 16; RUN: opt < %s -passes='loop-unroll<full-unroll-max=36>' -unroll-full-max-count=30 -S | FileCheck %s -check-prefixes=ENABLE,COMMON 17 18define void @test() { 19; COMMON-LABEL: @test( 20 entry: 21 br label %loop 22 23 loop: 24 %idx = phi i32 [ 0, %entry ], [ %idx.inc, %loop ] 25 %idx.inc = add i32 %idx, 1 26 %be = icmp slt i32 %idx, 32 27 br i1 %be, label %loop, label %exit 28 29; COMMON: loop: 30; DISABLE: %be = icmp slt i32 %idx, 32 31; ENABLE-NOT: %be = icmp slt i32 %idx, 32 32 33 exit: 34 ret void 35} 36