; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instcombine -S | FileCheck %s ; <rdar://problem/10803154> ; There should be no transformation. define i1 @f1(i32 %x) { ; CHECK-LABEL: @f1( ; CHECK-NEXT: [[A:%.*]] = trunc i32 [[X:%.*]] to i8 ; CHECK-NEXT: [[B:%.*]] = icmp ne i8 [[A]], 0 ; CHECK-NEXT: [[C:%.*]] = and i32 [[X]], 16711680 ; CHECK-NEXT: [[D:%.*]] = icmp ne i32 [[C]], 0 ; CHECK-NEXT: [[E:%.*]] = and i1 [[B]], [[D]] ; CHECK-NEXT: ret i1 [[E]] ; %a = trunc i32 %x to i8 %b = icmp ne i8 %a, 0 %c = and i32 %x, 16711680 %d = icmp ne i32 %c, 0 %e = and i1 %b, %d ret i1 %e } define i1 @f1_logical(i32 %x) { ; CHECK-LABEL: @f1_logical( ; CHECK-NEXT: [[A:%.*]] = trunc i32 [[X:%.*]] to i8 ; CHECK-NEXT: [[B:%.*]] = icmp ne i8 [[A]], 0 ; CHECK-NEXT: [[C:%.*]] = and i32 [[X]], 16711680 ; CHECK-NEXT: [[D:%.*]] = icmp ne i32 [[C]], 0 ; CHECK-NEXT: [[E:%.*]] = and i1 [[B]], [[D]] ; CHECK-NEXT: ret i1 [[E]] ; %a = trunc i32 %x to i8 %b = icmp ne i8 %a, 0 %c = and i32 %x, 16711680 %d = icmp ne i32 %c, 0 %e = select i1 %b, i1 %d, i1 false ret i1 %e }