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1b1c8d83d3
Turning on `enable_noundef_analysis` flag allows better codegen by removing freeze instructions. I modified clang by renaming `enable_noundef_analysis` flag to `disable-noundef-analysis` and turning it off by default. Test updates are made as a separate patch: D108453 Reviewed By: eugenis Differential Revision: https://reviews.llvm.org/D105169
42 lines
956 B
Common Lisp
42 lines
956 B
Common Lisp
// RUN: %clang_cc1 %s -emit-llvm -o - -triple spir-unknown-unknown | FileCheck %s
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// RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-pc-win32 | FileCheck %s
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#pragma OPENCL EXTENSION cl_khr_fp16 : enable
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half test()
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{
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half x = 0.1f;
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x+=2.0f;
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x-=2.0f;
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half y = x + x;
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half z = y * 1.0f;
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return z;
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// CHECK: half 0xH3260
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}
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// CHECK-LABEL: @test_inc(half noundef %x)
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// CHECK: [[INC:%.*]] = fadd half %x, 0xH3C00
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// CHECK: ret half [[INC]]
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half test_inc(half x)
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{
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return ++x;
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}
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__attribute__((overloadable)) int min(int, int);
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__attribute__((overloadable)) half min(half, half);
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__attribute__((overloadable)) float min(float, float);
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__kernel void foo( __global half* buf, __global float* buf2 )
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{
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buf[0] = min( buf[0], 1.5h );
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// CHECK: half noundef 0xH3E00
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buf[0] = min( buf2[0], 1.5f );
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// CHECK: float noundef 1.500000e+00
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const half one = 1.6666;
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buf[1] = min( buf[1], one );
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// CHECK: half noundef 0xH3EAB
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}
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