; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; Test that the isascii library call simplifier works correctly even for ; targets with 16-bit int. ; ; RUN: opt < %s -mtriple=avr-freebsd -passes=instcombine -S | FileCheck %s ; RUN: opt < %s -mtriple=msp430-linux -passes=instcombine -S | FileCheck %s declare i16 @isascii(i16) declare void @sink(i16) define void @fold_isascii(i16 %c) { ; CHECK-LABEL: @fold_isascii( ; CHECK-NEXT: call void @sink(i16 1) ; CHECK-NEXT: call void @sink(i16 1) ; CHECK-NEXT: call void @sink(i16 1) ; CHECK-NEXT: call void @sink(i16 0) ; CHECK-NEXT: call void @sink(i16 0) ; CHECK-NEXT: call void @sink(i16 0) ; CHECK-NEXT: call void @sink(i16 0) ; CHECK-NEXT: call void @sink(i16 0) ; CHECK-NEXT: [[ISASCII:%.*]] = icmp ult i16 [[C:%.*]], 128 ; CHECK-NEXT: [[IC:%.*]] = zext i1 [[ISASCII]] to i16 ; CHECK-NEXT: call void @sink(i16 [[IC]]) ; CHECK-NEXT: ret void ; %i0 = call i16 @isascii(i16 0) call void @sink(i16 %i0) %i1 = call i16 @isascii(i16 1) call void @sink(i16 %i1) %i127 = call i16 @isascii(i16 127) call void @sink(i16 %i127) %i128 = call i16 @isascii(i16 128) call void @sink(i16 %i128) %i255 = call i16 @isascii(i16 255) call void @sink(i16 %i255) %i256 = call i16 @isascii(i16 256) call void @sink(i16 %i256) ; Fold isascii(INT_MAX) to 0. The call is valid with all int values. %imax = call i16 @isascii(i16 32767) call void @sink(i16 %imax) %uimax = call i16 @isascii(i16 65535) call void @sink(i16 %uimax) %ic = call i16 @isascii(i16 %c) call void @sink(i16 %ic) ret void }