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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; Test that the isdigit library call simplifier works correctly even for
; targets with 16-bit int.
;
; RUN: opt < %s -mtriple=avr-linux -passes=instcombine -S | FileCheck %s
; RUN: opt < %s -mtriple=msp430-freebsd -passes=instcombine -S | FileCheck %s
declare i16 @isdigit(i16)
declare void @sink(i16)
define void @fold_isdigit(i16 %c) {
; CHECK-LABEL: @fold_isdigit(
; 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 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: call void @sink(i16 0)
; CHECK-NEXT: [[ISDIGITTMP:%.*]] = add i16 [[C:%.*]], -48
; CHECK-NEXT: [[ISDIGIT:%.*]] = icmp ult i16 [[ISDIGITTMP]], 10
; CHECK-NEXT: [[IC:%.*]] = zext i1 [[ISDIGIT]] to i16
; CHECK-NEXT: call void @sink(i16 [[IC]])
; CHECK-NEXT: ret void
;
%i0 = call i16 @isdigit(i16 0)
call void @sink(i16 %i0)
%i1 = call i16 @isdigit(i16 1)
call void @sink(i16 %i1)
; Fold isdigit('/') to 0.
%i47 = call i16 @isdigit(i16 47)
call void @sink(i16 %i47)
; Fold isdigit('0') to 1.
%i48 = call i16 @isdigit(i16 48)
call void @sink(i16 %i48)
; Fold isdigit('1') to 1.
%i49 = call i16 @isdigit(i16 49)
call void @sink(i16 %i49)
; Fold isdigit('9') to 1.
%i57 = call i16 @isdigit(i16 57)
call void @sink(i16 %i57)
; Fold isdigit(':') to 0.
%i58 = call i16 @isdigit(i16 58)
call void @sink(i16 %i58)
%i127 = call i16 @isdigit(i16 127)
call void @sink(i16 %i127)
%i128 = call i16 @isdigit(i16 128)
call void @sink(i16 %i128)
%i255 = call i16 @isdigit(i16 255)
call void @sink(i16 %i255)
; Fold isdigit(256) to 0. The argument is required to be representable
; in unsigned char but it's a common mistake to call the function with
; other arguments and it's arguably safer to fold such calls than to
; let the library call return an arbitrary value or crash.
%i256 = call i16 @isdigit(i16 256)
call void @sink(i16 %i256)
; Same as above.
%imax = call i16 @isdigit(i16 32767)
call void @sink(i16 %imax)
%ic = call i16 @isdigit(i16 %c)
call void @sink(i16 %ic)
ret void
}
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