1 // Tests that ptxas and fatbinary are invoked correctly during CUDA
2 // compilation.
3 //
4 // REQUIRES: clang-driver
5 // REQUIRES: x86-registered-target
6 // REQUIRES: nvptx-registered-target
7 
8 // Regular compiles with -O{0,1,2,3,4,fast}.  -O4 and -Ofast map to ptxas O3.
9 // RUN: %clang -### -target x86_64-linux-gnu -O0 -c %s 2>&1 \
10 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM20,OPT0 %s
11 // RUN: %clang -### -target x86_64-linux-gnu -O1 -c %s 2>&1 \
12 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM20,OPT1 %s
13 // RUN: %clang -### -target x86_64-linux-gnu -O2 -c %s 2>&1 \
14 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM20,OPT2 %s
15 // RUN: %clang -### -target x86_64-linux-gnu -O3 -c %s 2>&1 \
16 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM20,OPT3 %s
17 // RUN: %clang -### -target x86_64-linux-gnu -O4 -c %s 2>&1 \
18 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM20,OPT3 %s
19 // RUN: %clang -### -target x86_64-linux-gnu -Ofast -c %s 2>&1 \
20 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM20,OPT3 %s
21 // Generating relocatable device code
22 // RUN: %clang -### -target x86_64-linux-gnu -fgpu-rdc -c %s 2>&1 \
23 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM20,RDC %s
24 
25 // With debugging enabled, ptxas should be run with with no ptxas optimizations.
26 // RUN: %clang -### -target x86_64-linux-gnu --cuda-noopt-device-debug -O2 -g -c %s 2>&1 \
27 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM20,DBG %s
28 
29 // --no-cuda-noopt-device-debug overrides --cuda-noopt-device-debug.
30 // RUN: %clang -### -target x86_64-linux-gnu --cuda-noopt-device-debug \
31 // RUN:   --no-cuda-noopt-device-debug -O2 -c %s 2>&1 \
32 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM20,OPT2 %s
33 
34 // Regular compile without -O.  This should result in us passing -O0 to ptxas.
35 // RUN: %clang -### -target x86_64-linux-gnu -c %s 2>&1 \
36 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM20,OPT0 %s
37 
38 // Regular compiles with -Os and -Oz.  For lack of a better option, we map
39 // these to ptxas -O3.
40 // RUN: %clang -### -target x86_64-linux-gnu -Os -c %s 2>&1 \
41 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM20,OPT2 %s
42 // RUN: %clang -### -target x86_64-linux-gnu -Oz -c %s 2>&1 \
43 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM20,OPT2 %s
44 
45 // Regular compile targeting sm_35.
46 // RUN: %clang -### -target x86_64-linux-gnu --cuda-gpu-arch=sm_35 -c %s 2>&1 \
47 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM35 %s
48 // Separate compilation targeting sm_35.
49 // RUN: %clang -### -target x86_64-linux-gnu --cuda-gpu-arch=sm_35 -fgpu-rdc -c %s 2>&1 \
50 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM35,RDC %s
51 
52 // 32-bit compile.
53 // RUN: %clang -### -target i386-linux-gnu -c %s 2>&1 \
54 // RUN: | FileCheck -check-prefixes=CHECK,ARCH32,SM20 %s
55 // 32-bit compile when generating relocatable device code.
56 // RUN: %clang -### -target i386-linux-gnu -fgpu-rdc -c %s 2>&1 \
57 // RUN: | FileCheck -check-prefixes=CHECK,ARCH32,SM20,RDC %s
58 
59 // Compile with -fintegrated-as.  This should still cause us to invoke ptxas.
60 // RUN: %clang -### -target x86_64-linux-gnu -fintegrated-as -c %s 2>&1 \
61 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM20,OPT0 %s
62 // Check that we still pass -c when generating relocatable device code.
63 // RUN: %clang -### -target x86_64-linux-gnu -fintegrated-as -fgpu-rdc -c %s 2>&1 \
64 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM20,RDC %s
65 
66 // Check -Xcuda-ptxas and -Xcuda-fatbinary
67 // RUN: %clang -### -target x86_64-linux-gnu -c -Xcuda-ptxas -foo1 \
68 // RUN:   -Xcuda-fatbinary -bar1 -Xcuda-ptxas -foo2 -Xcuda-fatbinary -bar2 %s 2>&1 \
69 // RUN: | FileCheck -check-prefixes=CHECK,SM20,PTXAS-EXTRA,FATBINARY-EXTRA %s
70 
71 // MacOS spot-checks
72 // RUN: %clang -### -target x86_64-apple-macosx -O0 -c %s 2>&1 \
73 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM20,OPT0 %s
74 // RUN: %clang -### -target x86_64-apple-macosx --cuda-gpu-arch=sm_35 -c %s 2>&1 \
75 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM35 %s
76 // RUN: %clang -### -target i386-apple-macosx -c %s 2>&1 \
77 // RUN: | FileCheck -check-prefixes=CHECK,ARCH32,SM20 %s
78 
79 // Check relocatable device code generation on MacOS.
80 // RUN: %clang -### -target x86_64-apple-macosx -O0 -fgpu-rdc -c %s 2>&1 \
81 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM20,RDC %s
82 // RUN: %clang -### -target x86_64-apple-macosx --cuda-gpu-arch=sm_35 -fgpu-rdc -c %s 2>&1 \
83 // RUN: | FileCheck -check-prefixes=CHECK,ARCH64,SM35,RDC %s
84 // RUN: %clang -### -target i386-apple-macosx -fgpu-rdc -c %s 2>&1 \
85 // RUN: | FileCheck -check-prefixes=CHECK,ARCH32,SM20,RDC %s
86 
87 // Check that CLANG forwards the -v flag to PTXAS.
88 // RUN:   %clang -### -save-temps -no-canonical-prefixes -v %s 2>&1 \
89 // RUN:   | FileCheck -check-prefix=CHK-PTXAS-VERBOSE %s
90 
91 // Match clang job that produces PTX assembly.
92 // CHECK: "-cc1"
93 // ARCH64-SAME: "-triple" "nvptx64-nvidia-cuda"
94 // ARCH32-SAME: "-triple" "nvptx-nvidia-cuda"
95 // RDC-SAME: "-fgpu-rdc"
96 // CHECK-NOT: "-fgpu-rdc"
97 // SM20-SAME: "-target-cpu" "sm_20"
98 // SM35-SAME: "-target-cpu" "sm_35"
99 // SM20-SAME: "-o" "[[PTXFILE:[^"]*]]"
100 // SM35-SAME: "-o" "[[PTXFILE:[^"]*]]"
101 
102 // Match the call to ptxas (which assembles PTX to SASS).
103 // CHECK: ptxas
104 // ARCH64-SAME: "-m64"
105 // ARCH32-SAME: "-m32"
106 // OPT0-SAME: "-O0"
107 // OPT0-NOT: "-g"
108 // OPT1-SAME: "-O1"
109 // OPT1-NOT: "-g"
110 // OPT2-SAME: "-O2"
111 // OPT2-NOT: "-g"
112 // OPT3-SAME: "-O3"
113 // OPT3-NOT: "-g"
114 // DBG-SAME: "-g" "--dont-merge-basicblocks" "--return-at-end"
115 // SM20-SAME: "--gpu-name" "sm_20"
116 // SM35-SAME: "--gpu-name" "sm_35"
117 // SM20-SAME: "--output-file" "[[CUBINFILE:[^"]*]]"
118 // SM35-SAME: "--output-file" "[[CUBINFILE:[^"]*]]"
119 // CHECK-SAME: "[[PTXFILE]]"
120 // PTXAS-EXTRA-SAME: "-foo1"
121 // PTXAS-EXTRA-SAME: "-foo2"
122 // RDC-SAME: "-c"
123 // CHECK-NOT: "-c"
124 
125 // Match the call to fatbinary (which combines all our PTX and SASS into one
126 // blob).
127 // CHECK: fatbinary
128 // CHECK-SAME-DAG: "--cuda"
129 // ARCH64-SAME-DAG: "-64"
130 // ARCH32-SAME-DAG: "-32"
131 // CHECK-DAG: "--create" "[[FATBINARY:[^"]*]]"
132 // SM20-SAME-DAG: "--image=profile=compute_20,file=[[PTXFILE]]"
133 // SM35-SAME-DAG: "--image=profile=compute_35,file=[[PTXFILE]]"
134 // SM20-SAME-DAG: "--image=profile=sm_20,file=[[CUBINFILE]]"
135 // SM35-SAME-DAG: "--image=profile=sm_35,file=[[CUBINFILE]]"
136 // FATBINARY-EXTRA-SAME: "-bar1"
137 // FATBINARY-EXTRA-SAME: "-bar2"
138 
139 // Match the clang job for host compilation.
140 // CHECK: "-cc1"
141 // ARCH64-SAME: "-triple" "x86_64-
142 // ARCH32-SAME: "-triple" "i386-
143 // CHECK-SAME: "-fcuda-include-gpubinary" "[[FATBINARY]]"
144 // RDC-SAME: "-fgpu-rdc"
145 // CHECK-NOT: "-fgpu-rdc"
146 
147 // CHK-PTXAS-VERBOSE: ptxas{{.*}}" "-v"
148