0f1b5f115a
ptxas is a proprietary compiler from Nvidia that can compile PTX to machine code (SASS). It has a lot of diagnostics to catch errors in PTX, which can be used to verify PTX output from llc. Set -DPXTAS_EXECUTABLE=/path/to/ptxas CMake option to enable it. If this option is not set, then ptxas is substituted to true which effectively disables all ptxas RUN lines. LLVM_PTXAS_EXECUTABLE environment variable takes precedence over the CMake option, and allows to override ptxas executable that is used for LIT without complete re-configuration. Differential Revision: https://reviews.llvm.org/D121727
15 lines
591 B
LLVM
15 lines
591 B
LLVM
; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
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; RUN: %if ptxas %{ llc < %s -march=nvptx -mcpu=sm_20 | %ptxas-verify %}
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; CHECK: .visible .func (.param .align 16 .b8 func_retval0[16]) foo0(
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; CHECK: .param .align 4 .b8 foo0_param_0[8]
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define <4 x float> @foo0({float, float} %arg0) {
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ret <4 x float> <float 1.0, float 1.0, float 1.0, float 1.0>
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}
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; CHECK: .visible .func (.param .align 8 .b8 func_retval0[8]) foo1(
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; CHECK: .param .align 8 .b8 foo1_param_0[16]
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define <2 x float> @foo1({float, float, i64} %arg0) {
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ret <2 x float> <float 1.0, float 1.0>
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}
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