[SOL] Fix broken tests unrelated to Solana/BPF backend

- duplicate checks in stack-clash-medium removed
- align attribute is not supported by cmpxchg yet

Author: dmakarov

llvm/test/CodeGen/X86/stack-clash-medium.ll

@@ -2,31 +2,6 @@
 ; RUN: llc -mtriple=i686-linux-android < %s | FileCheck -check-prefix=CHECK-X86-32 %s
 
 define i32 @foo() local_unnamed_addr #0 {
-; CHECK-X86-64-LABEL: foo:
-; CHECK-X86-64:       # %bb.0:
-; CHECK-X86-64-NEXT:    subq $4096, %rsp # imm = 0x1000
-; CHECK-X86-64-NEXT:    .cfi_adjust_cfa_offset 4096
-; CHECK-X86-64-NEXT:    movq $0, (%rsp)
-; CHECK-X86-64-NEXT:    subq $3784, %rsp # imm = 0xEC8
-; CHECK-X86-64-NEXT:    .cfi_def_cfa_offset 7888
-; CHECK-X86-64-NEXT:    movl $1, 672(%rsp)
-; CHECK-X86-64-NEXT:    movl -128(%rsp), %eax
-; CHECK-X86-64-NEXT:    addq $7880, %rsp # imm = 0x1EC8
-; CHECK-X86-64-NEXT:    .cfi_def_cfa_offset 8
-; CHECK-X86-64-NEXT:    retq
-;
-; CHECK-X86-32-LABEL: foo:
-; CHECK-X86-32:       # %bb.0:
-; CHECK-X86-32-NEXT:    subl $4096, %esp # imm = 0x1000
-; CHECK-X86-32-NEXT:    .cfi_adjust_cfa_offset 4096
-; CHECK-X86-32-NEXT:    movl $0, (%esp)
-; CHECK-X86-32-NEXT:    subl $3916, %esp # imm = 0xF4C
-; CHECK-X86-32-NEXT:    .cfi_def_cfa_offset 8016
-; CHECK-X86-32-NEXT:    movl $1, 800(%esp)
-; CHECK-X86-32-NEXT:    movl (%esp), %eax
-; CHECK-X86-32-NEXT:    addl $8012, %esp # imm = 0x1F4C
-; CHECK-X86-32-NEXT:    .cfi_def_cfa_offset 4
-; CHECK-X86-32-NEXT:    retl
   %a = alloca i32, i64 2000, align 16
   %b = getelementptr inbounds i32, i32* %a, i64 200
   store volatile i32 1, i32* %b
@@ -39,6 +14,7 @@ attributes #0 =  {"probe-stack"="inline-asm"}
 ; CHECK-X86-64-LABEL: foo:
 ; CHECK-X86-64:      # %bb.0:
 ; CHECK-X86-64-NEXT: subq	$4096, %rsp             # imm = 0x1000
+; CHECK-X86-64-NEXT: .cfi_adjust_cfa_offset 4096
 ; CHECK-X86-64-NEXT: movq	$0, (%rsp)
 ; CHECK-X86-64-NEXT: subq	$3784, %rsp             # imm = 0xEC8
 ; CHECK-X86-64-NEXT: .cfi_def_cfa_offset 7888
@@ -48,10 +24,10 @@ attributes #0 =  {"probe-stack"="inline-asm"}
 ; CHECK-X86-64-NEXT: .cfi_def_cfa_offset 8
 ; CHECK-X86-64-NEXT: retq
 
-
-; CHECK-X86-32-LABEL: foo:
+; CHECK-X86-32-LABEL: foo:{{.*}}
 ; CHECK-X86-32:      # %bb.0:
 ; CHECK-X86-32-NEXT: subl	$4096, %esp # imm = 0x1000
+; CHECK-X86-32-NEXT: .cfi_adjust_cfa_offset 4096
 ; CHECK-X86-32-NEXT: movl	$0, (%esp)
 ; CHECK-X86-32-NEXT: subl	$3916, %esp # imm = 0xF4C
 ; CHECK-X86-32-NEXT: .cfi_def_cfa_offset 8016

llvm/test/Transforms/LICM/promote-atomic.ll

@@ -13,7 +13,7 @@ define void @test(%class.LiveThread* %live_thread) {
 ; CHECK-NEXT:    br label [[LOOP:%.*]]
 ; CHECK:       loop:
 ; CHECK-NEXT:    store %class.LiveThread* undef, %class.LiveThread** [[NEXT_UNPROCESSED_]], align 8
-; CHECK-NEXT:    [[XCHG:%.*]] = cmpxchg weak i64* @globallive, i64 undef, i64 undef release monotonic, align 8
+; CHECK-NEXT:    [[XCHG:%.*]] = cmpxchg weak i64* @globallive, i64 undef, i64 undef release monotonic
 ; CHECK-NEXT:    [[DONE:%.*]] = extractvalue { i64, i1 } [[XCHG]], 1
 ; CHECK-NEXT:    br i1 [[DONE]], label [[EXIT:%.*]], label [[LOOP]]
 ; CHECK:       exit:
@@ -24,7 +24,7 @@ define void @test(%class.LiveThread* %live_thread) {
 
 loop:
   store %class.LiveThread* undef, %class.LiveThread** %next_unprocessed_, align 8
-  %xchg = cmpxchg weak i64* @globallive, i64 undef, i64 undef release monotonic, align 8
+  %xchg = cmpxchg weak i64* @globallive, i64 undef, i64 undef release monotonic
   %done = extractvalue { i64, i1 } %xchg, 1
   br i1 %done, label %exit, label %loop