blob: 85792304c50d966c137749f5d2f91d493bb29b03 [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -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
}