83 lines
2.4 KiB
LLVM
83 lines
2.4 KiB
LLVM
; 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: [[TMP1:%.*]] = zext i1 [[ISDIGIT]] to i16
|
|
; CHECK-NEXT: call void @sink(i16 [[TMP1]])
|
|
; 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
|
|
}
|