21 lines
967 B
C++
21 lines
967 B
C++
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// RUN: %clang_cc1 -triple arm64-apple-ios -target-feature +neon -ffreestanding -S -emit-llvm -o - %s | FileCheck --check-prefix=CHECK-UNSIGNED-POLY %s
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// RUN: %clang_cc1 -triple arm64-linux-gnu -target-feature +neon -ffreestanding -S -emit-llvm -o - %s | FileCheck --check-prefix=CHECK-UNSIGNED-POLY %s
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// RUN: %clang_cc1 -triple armv7-apple-ios -ffreestanding -target-cpu cortex-a8 -S -emit-llvm -o - %s | FileCheck --check-prefix=CHECK-SIGNED-POLY %s
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#include <arm_neon.h>
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// Polynomial types really should be universally unsigned, otherwise casting
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// (say) poly8_t "x^7" to poly16_t would change it to "x^15 + x^14 + ... +
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// x^7". Unfortunately 32-bit ARM ended up in a slightly delicate ABI situation
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// so for now it got that wrong.
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poly16_t test_poly8(poly8_t pIn) {
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// CHECK-UNSIGNED-POLY: @_Z10test_poly8h
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// CHECK-UNSIGNED-POLY: zext i8 {{.*}} to i16
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// CHECK-SIGNED-POLY: @_Z10test_poly8a
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// CHECK-SIGNED-POLY: sext i8 {{.*}} to i16
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return pIn;
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}
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