derek.holloway
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103 lines
3.4 KiB
LLVM
103 lines
3.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; Test that the isdigit library call simplifier works correctly even for
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; targets with 16-bit int.
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;
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; RUN: opt < %s -mtriple=avr-linux -passes=instcombine -S | FileCheck %s --check-prefix=AVR
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; RUN: opt < %s -mtriple=msp430-freebsd -passes=instcombine -S | FileCheck %s --check-prefix=MSP430
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; REQUIRES: avr-registered-target,msp430-registered-target
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declare i16 @isdigit(i16)
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declare void @sink(i16)
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define void @fold_isdigit(i16 %c) {
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; AVR-LABEL: @fold_isdigit(
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; AVR-NEXT: call addrspace(1) void @sink(i16 0)
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; AVR-NEXT: call addrspace(1) void @sink(i16 0)
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; AVR-NEXT: call addrspace(1) void @sink(i16 0)
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; AVR-NEXT: call addrspace(1) void @sink(i16 1)
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; AVR-NEXT: call addrspace(1) void @sink(i16 1)
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; AVR-NEXT: call addrspace(1) void @sink(i16 1)
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; AVR-NEXT: call addrspace(1) void @sink(i16 0)
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; AVR-NEXT: call addrspace(1) void @sink(i16 0)
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; AVR-NEXT: call addrspace(1) void @sink(i16 0)
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; AVR-NEXT: call addrspace(1) void @sink(i16 0)
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; AVR-NEXT: call addrspace(1) void @sink(i16 0)
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; AVR-NEXT: call addrspace(1) void @sink(i16 0)
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; AVR-NEXT: [[ISDIGITTMP:%.*]] = add i16 [[C:%.*]], -48
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; AVR-NEXT: [[ISDIGIT:%.*]] = icmp ult i16 [[ISDIGITTMP]], 10
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; AVR-NEXT: [[IC:%.*]] = zext i1 [[ISDIGIT]] to i16
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; AVR-NEXT: call addrspace(1) void @sink(i16 [[IC]])
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; AVR-NEXT: ret void
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;
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; MSP430-LABEL: @fold_isdigit(
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; MSP430-NEXT: call void @sink(i16 0)
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; MSP430-NEXT: call void @sink(i16 0)
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; MSP430-NEXT: call void @sink(i16 0)
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; MSP430-NEXT: call void @sink(i16 1)
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; MSP430-NEXT: call void @sink(i16 1)
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; MSP430-NEXT: call void @sink(i16 1)
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; MSP430-NEXT: call void @sink(i16 0)
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; MSP430-NEXT: call void @sink(i16 0)
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; MSP430-NEXT: call void @sink(i16 0)
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; MSP430-NEXT: call void @sink(i16 0)
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; MSP430-NEXT: call void @sink(i16 0)
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; MSP430-NEXT: call void @sink(i16 0)
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; MSP430-NEXT: [[ISDIGITTMP:%.*]] = add i16 [[C:%.*]], -48
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; MSP430-NEXT: [[ISDIGIT:%.*]] = icmp ult i16 [[ISDIGITTMP]], 10
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; MSP430-NEXT: [[IC:%.*]] = zext i1 [[ISDIGIT]] to i16
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; MSP430-NEXT: call void @sink(i16 [[IC]])
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; MSP430-NEXT: ret void
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;
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%i0 = call i16 @isdigit(i16 0)
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call void @sink(i16 %i0)
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%i1 = call i16 @isdigit(i16 1)
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call void @sink(i16 %i1)
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; Fold isdigit('/') to 0.
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%i47 = call i16 @isdigit(i16 47)
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call void @sink(i16 %i47)
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; Fold isdigit('0') to 1.
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%i48 = call i16 @isdigit(i16 48)
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call void @sink(i16 %i48)
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; Fold isdigit('1') to 1.
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%i49 = call i16 @isdigit(i16 49)
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call void @sink(i16 %i49)
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; Fold isdigit('9') to 1.
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%i57 = call i16 @isdigit(i16 57)
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call void @sink(i16 %i57)
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; Fold isdigit(':') to 0.
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%i58 = call i16 @isdigit(i16 58)
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call void @sink(i16 %i58)
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%i127 = call i16 @isdigit(i16 127)
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call void @sink(i16 %i127)
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%i128 = call i16 @isdigit(i16 128)
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call void @sink(i16 %i128)
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%i255 = call i16 @isdigit(i16 255)
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call void @sink(i16 %i255)
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; Fold isdigit(256) to 0. The argument is required to be representable
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; in unsigned char but it's a common mistake to call the function with
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; other arguments and it's arguably safer to fold such calls than to
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; let the library call return an arbitrary value or crash.
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%i256 = call i16 @isdigit(i16 256)
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call void @sink(i16 %i256)
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; Same as above.
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%imax = call i16 @isdigit(i16 32767)
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call void @sink(i16 %imax)
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%ic = call i16 @isdigit(i16 %c)
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call void @sink(i16 %ic)
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ret void
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}
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