58 lines
1.6 KiB
LLVM
58 lines
1.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; Test that the isascii 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-freebsd -passes=instcombine -S | FileCheck %s
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; RUN: opt < %s -mtriple=msp430-linux -passes=instcombine -S | FileCheck %s
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declare i16 @isascii(i16)
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declare void @sink(i16)
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define void @fold_isascii(i16 %c) {
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; CHECK-LABEL: @fold_isascii(
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; CHECK-NEXT: call void @sink(i16 1)
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; CHECK-NEXT: call void @sink(i16 1)
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; CHECK-NEXT: call void @sink(i16 1)
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; CHECK-NEXT: call void @sink(i16 0)
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; CHECK-NEXT: call void @sink(i16 0)
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; CHECK-NEXT: call void @sink(i16 0)
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; CHECK-NEXT: call void @sink(i16 0)
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; CHECK-NEXT: call void @sink(i16 0)
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; CHECK-NEXT: [[ISASCII:%.*]] = icmp ult i16 [[C:%.*]], 128
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; CHECK-NEXT: [[TMP1:%.*]] = zext i1 [[ISASCII]] to i16
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; CHECK-NEXT: call void @sink(i16 [[TMP1]])
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; CHECK-NEXT: ret void
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;
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%i0 = call i16 @isascii(i16 0)
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call void @sink(i16 %i0)
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%i1 = call i16 @isascii(i16 1)
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call void @sink(i16 %i1)
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%i127 = call i16 @isascii(i16 127)
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call void @sink(i16 %i127)
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%i128 = call i16 @isascii(i16 128)
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call void @sink(i16 %i128)
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%i255 = call i16 @isascii(i16 255)
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call void @sink(i16 %i255)
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%i256 = call i16 @isascii(i16 256)
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call void @sink(i16 %i256)
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; Fold isascii(INT_MAX) to 0. The call is valid with all int values.
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%imax = call i16 @isascii(i16 32767)
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call void @sink(i16 %imax)
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%uimax = call i16 @isascii(i16 65535)
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call void @sink(i16 %uimax)
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%ic = call i16 @isascii(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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