4ec445b813
Summary: Change the vuqadd scalar instrinsics to have the second argument as unsigned values, not signed, accordingly to https://developer.arm.com/architectures/instruction-sets/simd-isas/neon/intrinsics So now the compiler correctly warns that a undefined negative float conversion is being done. Reviewers: LukeCheeseman, john.brawn Reviewed By: john.brawn Subscribers: john.brawn, javed.absar, kristof.beyls, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D64242 llvm-svn: 365300
27 lines
978 B
C
27 lines
978 B
C
// RUN: %clang_cc1 -triple arm64-none-linux-gnu -target-feature +neon \
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// RUN: -S -disable-O0-optnone -emit-llvm -o - %s 2>&1 | FileCheck %s
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#include <arm_neon.h>
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// Check float conversion is not accepted for unsigned int argument
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int8_t test_vuqaddb_s8(){
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return vuqaddb_s8(1, -1.0f);
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}
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int16_t test_vuqaddh_s16() {
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return vuqaddh_s16(1, -1.0f);
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}
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int32_t test_vuqadds_s32() {
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return vuqadds_s32(1, -1.0f);
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}
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int64_t test_vuqaddd_s64() {
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return vuqaddd_s64(1, -1.0f);
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}
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// CHECK: warning: implicit conversion of out of range value from 'float' to 'uint8_t' (aka 'unsigned char') is undefined
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// CHECK: warning: implicit conversion of out of range value from 'float' to 'uint16_t' (aka 'unsigned short') is undefined
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// CHECK: warning: implicit conversion of out of range value from 'float' to 'uint32_t' (aka 'unsigned int') is undefined
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// CHECK: warning: implicit conversion of out of range value from 'float' to 'uint64_t' (aka 'unsigned long') is undefined
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