[NVPTX][tests] add "XFAIL: nvptx" for some tests

Some tests failed for NVPTX target, but it seems that NVPTX will be
fixed and the tests will pass. So, just mark the tests as XFAIL

Differential Revision: https://reviews.llvm.org/D124125

llvm/test/CodeGen/Generic/2009-03-17-LSR-APInt.ll

@@ -1,6 +1,9 @@
 ; RUN: llc < %s
 ; PR3806
 
+; NVPTX does not support 'alias' yet
+; XFAIL: nvptx
+
 	%struct..0__pthread_mutex_s = type { i32, i32, i32, i32, i32, i32, %struct.__pthread_list_t }
 	%struct.Alignment = type { i32 }
 	%struct.QDesignerFormWindowInterface = type { %struct.QWidget }

llvm/test/CodeGen/Generic/ForceStackAlign.ll

@@ -8,6 +8,9 @@
 ; Stack realignment not supported.
 ; XFAIL: sparc
 
+; NVPTX cannot select dynamic_stackalloc
+; XFAIL: nvptx
+
 define i32 @f(i8* %p) nounwind {
 entry:
   %0 = load i8, i8* %p

llvm/test/CodeGen/Generic/add-with-overflow-128.ll

@@ -1,5 +1,9 @@
 ; RUN: llc < %s
 
+; NVPTX fails to LowerFormalArguments for arg type i96
+; the arg byte size must be one of the {16, 8, 4, 2}
+; XFAIL: nvptx
+
 @ok = internal constant [4 x i8] c"%d\0A\00"
 @no = internal constant [4 x i8] c"no\0A\00"
 

llvm/test/CodeGen/Generic/addr-label.ll

@@ -3,6 +3,9 @@
 
 ; REQUIRES: arm-registered-target
 
+; NVPTX cannot select BlockAddress
+; XFAIL: nvptx
+
 ;; Reference to a label that gets deleted.
 define i8* @test1() nounwind {
 entry:

llvm/test/CodeGen/Generic/externally_available.ll

@@ -6,6 +6,9 @@
 ; so that users won't run into errors in situations like:
 ; clang -target powerpc-ibm-aix -xc -<<<$'extern inline __attribute__((__gnu_inline__)) void foo() {}\nvoid bar() { foo(); }' -O -Xclang -disable-llvm-passes
 
+; XFAIL: nvptx
+; unexpected emitting of the global var, while the function is not emitted as expected
+
 ; test_function should not be emitted to the .s file.
 define available_externally i32 @test_function() {
   ret i32 4

llvm/test/CodeGen/Generic/fpowi-promote.ll

@@ -2,6 +2,9 @@
 
 ; PR1239
 
+; Undefined external symbol "__powisf2"
+; XFAIL: nvptx
+
 define float @test(float %tmp23302331, i32 %tmp23282329 ) {
 
 %tmp2339 = call float @llvm.powi.f32.i32( float %tmp23302331, i32 %tmp23282329 )

llvm/test/CodeGen/Generic/icmp-illegal.ll

@@ -1,5 +1,9 @@
 ; RUN: llc < %s | FileCheck %s
 
+; NVPTX fails to LowerFormalArguments for arg size > i128
+; the arg byte size must be one of the {16, 8, 4, 2}
+; XFAIL: nvptx
+
 ; CHECK-LABEL: test_ult
 define i1 @test_ult(i256 %a) nounwind {
   %1 = icmp ult i256 %a, -6432394258550908438

llvm/test/CodeGen/Generic/inline-asm-mem-clobber.ll

@@ -14,7 +14,7 @@ entry:
   %0 = load i8*, i8** %p.addr, align 8
 ; CHECK: blah
   %1 = call i32 asm "blah", "=r,r,~{memory}"(i8* %0) nounwind
-; CHECK: @G
+; CHECK: {{[^[:alnum:]]}}G{{[^[:alnum:]]}}
   store i32 %1, i32* %rv, align 4
   %2 = load i32, i32* %rv, align 4
   %3 = load i32, i32* @G, align 4

llvm/test/CodeGen/Generic/intrinsics.ll

@@ -1,6 +1,9 @@
 ; RUN: llc < %s
 ; RUN: llc -O0 < %s
 
+; NVPTX can't select sinf(float)/sin(double)
+; XFAIL: nvptx
+
 ;; SQRT
 declare float @llvm.sqrt.f32(float)
 

llvm/test/CodeGen/Generic/live-debug-label.ll

@@ -1,5 +1,8 @@
 ; RUN: llc < %s -stop-after=virtregrewriter -o - | FileCheck %s
 ;
+; NVPTX produces a different order of the BBs
+; XFAIL: nvptx
+
 ; Generated with "clang++ -g -O1 -S -emit-llvm"
 ;
 ; inline bool bar(char c) {

llvm/test/CodeGen/Generic/llc-start-stop.ll

@@ -1,3 +1,6 @@
+; NVPTX customizes the list of passes so the test cannot find what it expects
+; XFAIL: nvptx
+
 ; Note: -verify-machineinstrs is used in order to make this test compatible with EXPENSIVE_CHECKS.
 ; RUN: llc < %s -debug-pass=Structure -stop-after=loop-reduce -verify-machineinstrs -o /dev/null 2>&1 \
 ; RUN:   | FileCheck %s -check-prefix=STOP-AFTER